Display a tilde before every capital letter for Canute

2023-02-13 14:15:34 -08:00
188 changed files with 1628 additions and 3928 deletions
--- a/README.md
+++ b/README.md
@ -53,7 +53,7 @@ You can also check out the website for Micro at https://micro-editor.github.io.
 - Extremely good mouse support.
  - This means mouse dragging to create a selection, double click to select by word, and triple click to select by line.
 - Cross-platform (it should work on all the platforms Go runs on).
-  - Note that while Windows is supported, Mingw/Cygwin is not (see below).
+  - Note that while Windows is supported Mingw/Cygwin is not (see below).
 - Plugin system (plugins are written in Lua).
  - micro has a built-in plugin manager to automatically install, remove, and update plugins.
 - Built-in diff gutter.
@ -68,7 +68,6 @@ You can also check out the website for Micro at https://micro-editor.github.io.
 - Small and simple.
 - Easily configurable.
 - Macros.
 - Smart highlighting of trailing whitespace and tab vs space errors.
 - Common editor features such as undo/redo, line numbers, Unicode support, soft wrapping, …
 ## Installation
@ -84,7 +83,7 @@ A desktop entry file and man page can be found in the [assets/packaging](https:/
 ### Pre-built binaries
-Pre-built binaries are distributed in [releases](https://github.com/zyedidia/micro/releases).
+Pre-built binaries are distributed with [releases](https://github.com/zyedidia/micro/releases).
 To uninstall micro, simply remove the binary, and the configuration directory at `~/.config/micro`.
@ -133,7 +132,7 @@ On Linux, you can install micro through [snap](https://snapcraft.io/docs/core/in
 snap install micro --classic
 ```
-Micro is also available through other package managers on Linux such as dnf, AUR, Nix, and package managers
+Micro is also available through other package managers on Linux such dnf, AUR, Nix, and package managers
 for other operating systems. These packages are not guaranteed to be up-to-date.
 <!-- * `apt install micro` (Ubuntu 20.04 `focal`, and Debian `unstable | testing | buster-backports`). At the moment, this package (2.0.1-1) is outdated and has a known bug where debug mode is enabled. -->
@ -160,8 +159,8 @@ for other operating systems. These packages are not guaranteed to be up-to-date.
 **Note for Linux desktop environments:**
 For interfacing with the local system clipboard, the following tools need to be installed:
-* For X11, `xclip` or `xsel`
+* For X11 `xclip` or `xsel`
-* For [Wayland](https://wayland.freedesktop.org/), `wl-clipboard`
+* For [Wayland](https://wayland.freedesktop.org/) `wl-clipboard`
 Without these tools installed, micro will use an internal clipboard for copy and paste, but it won't be accessible to external applications.
@ -222,7 +221,7 @@ If you open micro and it doesn't seem like syntax highlighting is working, this
 you are using a terminal which does not support 256 color mode. Try changing the color scheme to `simple`
 by pressing <kbd>Ctrl-e</kbd> in micro and typing `set colorscheme simple`.
-If you are using the default Ubuntu terminal, to enable 256 color mode make sure your `TERM` variable is set
+If you are using the default Ubuntu terminal, to enable 256 make sure your `TERM` variable is set
 to `xterm-256color`.
 Many of the Windows terminals don't support more than 16 colors, which means
@ -241,7 +240,7 @@ winpty micro.exe ...
 Micro uses the amazing [tcell library](https://github.com/gdamore/tcell), but this
 means that micro is restricted to the platforms tcell supports. As a result, micro does not support
-Plan9 or Cygwin (although this may change in the future). Micro also doesn't support NaCl (which is deprecated anyway).
+Plan9, and Cygwin (although this may change in the future). Micro also doesn't support NaCl (which is deprecated anyway).
 ## Usage
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--- a/assets/micro-logo.svg
+++ b/assets/micro-logo.svg
@ -2,6 +2,13 @@
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@ -9,20 +16,13 @@
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-   inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
+   inkscape:version="0.91 r13725"
   sodipodi:docname="micro-logo.svg"
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-   height="103.2"
+   height="103.2"><metadata
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     id="metadata21"><rdf:RDF><cc:Work
         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
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@ -32,24 +32,21 @@
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--- a/cmd/micro/initlua.go
+++ b/cmd/micro/initlua.go
@ -2,7 +2,6 @@ package main
 import (
 	"log"
 	"time"
 	lua "github.com/yuin/gopher-lua"
 	luar "layeh.com/gopher-luar"
@ -48,18 +47,14 @@ func luaImportMicro() *lua.LTable {
 	ulua.L.SetField(pkg, "InfoBar", luar.New(ulua.L, action.GetInfoBar))
 	ulua.L.SetField(pkg, "Log", luar.New(ulua.L, log.Println))
 	ulua.L.SetField(pkg, "SetStatusInfoFn", luar.New(ulua.L, display.SetStatusInfoFnLua))
-	ulua.L.SetField(pkg, "CurPane", luar.New(ulua.L, func() *action.BufPane {
+	ulua.L.SetField(pkg, "CurPane", luar.New(ulua.L, func() action.Pane {
 		return action.MainTab().CurPane()
 	}))
 	ulua.L.SetField(pkg, "CurTab", luar.New(ulua.L, action.MainTab))
 	ulua.L.SetField(pkg, "Tabs", luar.New(ulua.L, func() *action.TabList {
 		return action.Tabs
 	}))
-	ulua.L.SetField(pkg, "After", luar.New(ulua.L, func(t time.Duration, f func()) {
+	ulua.L.SetField(pkg, "Lock", luar.New(ulua.L, ulua.Lock))
 		time.AfterFunc(t, func() {
 			timerChan <- f
 		})
 	}))
 	return pkg
 }
--- a/cmd/micro/micro.go
+++ b/cmd/micro/micro.go
@ -3,7 +3,6 @@ package main
 import (
 	"flag"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"log"
 	"os"
@ -23,6 +22,7 @@ import (
 	"github.com/zyedidia/micro/v2/internal/buffer"
 	"github.com/zyedidia/micro/v2/internal/clipboard"
 	"github.com/zyedidia/micro/v2/internal/config"
 	ulua "github.com/zyedidia/micro/v2/internal/lua"
 	"github.com/zyedidia/micro/v2/internal/screen"
 	"github.com/zyedidia/micro/v2/internal/shell"
 	"github.com/zyedidia/micro/v2/internal/util"
@ -30,6 +30,9 @@ import (
 )
 var (
 	// Event channel
 	autosave chan bool
 	// Command line flags
 	flagVersion   = flag.Bool("version", false, "Show the version number and information")
 	flagConfigDir = flag.String("config-dir", "", "Specify a custom location for the configuration directory")
@ -42,8 +45,6 @@ var (
 	sigterm chan os.Signal
 	sighup  chan os.Signal
 	timerChan chan func()
 )
 func InitFlags() {
@ -66,7 +67,7 @@ func InitFlags() {
 		fmt.Println("-version")
 		fmt.Println("    \tShow the version number and information")
-		fmt.Print("\nMicro's plugins can be managed at the command line with the following commands.\n")
+		fmt.Print("\nMicro's plugin's can be managed at the command line with the following commands.\n")
 		fmt.Println("-plugin install [PLUGIN]...")
 		fmt.Println("    \tInstall plugin(s)")
 		fmt.Println("-plugin remove [PLUGIN]...")
@ -254,9 +255,7 @@ func main() {
 		screen.TermMessage(err)
 	}
-	config.InitRuntimeFiles(true)
+	config.InitRuntimeFiles()
 	config.InitPlugins()
 	err = config.ReadSettings()
 	if err != nil {
 		screen.TermMessage(err)
@ -275,7 +274,6 @@ func main() {
 				continue
 			}
 			config.GlobalSettings[k] = nativeValue
 			config.VolatileSettings[k] = true
 		}
 	}
@ -362,11 +360,9 @@ func main() {
 	sigterm = make(chan os.Signal, 1)
 	sighup = make(chan os.Signal, 1)
-	signal.Notify(sigterm, syscall.SIGTERM, syscall.SIGINT, syscall.SIGQUIT, syscall.SIGABRT)
+	signal.Notify(sigterm, syscall.SIGTERM, syscall.SIGINT, syscall.SIGQUIT)
 	signal.Notify(sighup, syscall.SIGHUP)
 	timerChan = make(chan func())
 	// Here is the event loop which runs in a separate thread
 	go func() {
 		for {
@ -417,19 +413,21 @@ func DoEvent() {
 	select {
 	case f := <-shell.Jobs:
 		// If a new job has finished while running in the background we should execute the callback
 		ulua.Lock.Lock()
 		f.Function(f.Output, f.Args)
 		ulua.Lock.Unlock()
 	case <-config.Autosave:
 		ulua.Lock.Lock()
 		for _, b := range buffer.OpenBuffers {
-			b.AutoSave()
+			b.Save()
 		}
 		ulua.Lock.Unlock()
 	case <-shell.CloseTerms:
 	case event = <-screen.Events:
 	case <-screen.DrawChan():
 		for len(screen.DrawChan()) > 0 {
 			<-screen.DrawChan()
 		}
 	case f := <-timerChan:
 		f()
 	case <-sighup:
 		for _, b := range buffer.OpenBuffers {
 			if !b.Modified() {
@ -450,39 +448,13 @@ func DoEvent() {
 		os.Exit(0)
 	}
-	if e, ok := event.(*tcell.EventError); ok {
+	ulua.Lock.Lock()
-		log.Println("tcell event error: ", e.Error())
+	// if event != nil {
-
+	if action.InfoBar.HasPrompt {
-		if e.Err() == io.EOF {
+		action.InfoBar.HandleEvent(event)
-			// shutdown due to terminal closing/becoming inaccessible
+	} else {
-			for _, b := range buffer.OpenBuffers {
+		action.Tabs.HandleEvent(event)
 				if !b.Modified() {
 					b.Fini()
 				}
 			}
 			if screen.Screen != nil {
 				screen.Screen.Fini()
 			}
 			os.Exit(0)
 		}
 		return
 	}
 	if event != nil {
 		_, resize := event.(*tcell.EventResize)
 		if resize {
 			action.InfoBar.HandleEvent(event)
 			action.Tabs.HandleEvent(event)
 		} else if action.InfoBar.HasPrompt {
 			action.InfoBar.HandleEvent(event)
 		} else {
 			action.Tabs.HandleEvent(event)
 		}
 	}
 	err := config.RunPluginFn("onAnyEvent")
 	if err != nil {
 		screen.TermMessage(err)
 	}
 	// }
 	ulua.Lock.Unlock()
 }
--- a/cmd/micro/micro_test.go
+++ b/cmd/micro/micro_test.go
@ -35,9 +35,7 @@ func startup(args []string) (tcell.SimulationScreen, error) {
 		return nil, err
 	}
-	config.InitRuntimeFiles(true)
+	config.InitRuntimeFiles()
 	config.InitPlugins()
 	err = config.ReadSettings()
 	if err != nil {
 		return nil, err
@ -109,10 +107,7 @@ func handleEvent() {
 	if e != nil {
 		screen.Events <- e
 	}
-
+	DoEvent()
 	for len(screen.DrawChan()) > 0 || len(screen.Events) > 0 {
 		DoEvent()
 	}
 }
 func injectKey(key tcell.Key, r rune, mod tcell.ModMask) {
@ -154,16 +149,6 @@ func openFile(file string) {
 	injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
 }
 func findBuffer(file string) *buffer.Buffer {
 	var buf *buffer.Buffer
 	for _, b := range buffer.OpenBuffers {
 		if b.Path == file {
 			buf = b
 		}
 	}
 	return buf
 }
 func createTestFile(name string, content string) (string, error) {
 	testf, err := ioutil.TempFile("", name)
 	if err != nil {
@ -203,7 +188,14 @@ func TestSimpleEdit(t *testing.T) {
 	openFile(file)
-	if findBuffer(file) == nil {
+	var buf *buffer.Buffer
 	for _, b := range buffer.OpenBuffers {
 		if b.Path == file {
 			buf = b
 		}
 	}
 	if buf == nil {
 		t.Errorf("Could not find buffer %s", file)
 		return
 	}
@ -242,11 +234,6 @@ func TestMouse(t *testing.T) {
 	openFile(file)
 	if findBuffer(file) == nil {
 		t.Errorf("Could not find buffer %s", file)
 		return
 	}
 	// buffer:
 	// base content
 	// the selections need to happen at different locations to avoid a double click
@ -310,11 +297,6 @@ func TestSearchAndReplace(t *testing.T) {
 	openFile(file)
 	if findBuffer(file) == nil {
 		t.Errorf("Could not find buffer %s", file)
 		return
 	}
 	injectKey(tcell.KeyCtrlE, rune(tcell.KeyCtrlE), tcell.ModCtrl)
 	injectString(fmt.Sprintf("replaceall %s %s", "foo", "test_string"))
 	injectKey(tcell.KeyEnter, rune(tcell.KeyEnter), tcell.ModNone)
--- a/data/com.github.zyedidia.micro.metainfo.xml
+++ b/data/com.github.zyedidia.micro.metainfo.xml
@ -0,0 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component>
 	<id>com.github.zyedidia.micro</id>
 	<launchable type="desktop-id">micro.desktop</launchable>
 	<name>Micro Text Editor</name>
 	<summary>A modern and intuitive terminal-based text editor</summary>
 	<metadata_license>MIT</metadata_license>
 	<categories>
 		<category>Development</category>
 		<category>TextEditor</category>
 	</categories>
 	<provides>
 		<binary>micro</binary>
 	</provides>
 	<developer_name>Zachary Yedidia</developer_name>
 	<screenshots>
 		<screenshot type="default">
 			<caption>Micro Text Editor editing its source code.</caption>
 			<image type="source">https://raw.githubusercontent.com/zyedidia/micro/master/assets/micro-solarized.png</image>
 		</screenshot>
 	</screenshots>
 	<url type="homepage">https://micro-editor.github.io</url>
 	<url type="bugtracker">https://github.com/zyedidia/micro/issues</url>
 </component>
--- a/data/io.github.zyedidia.micro.metainfo.xml
+++ b/data/io.github.zyedidia.micro.metainfo.xml
@ -1,51 +0,0 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop-application">
 	<id>io.github.zyedidia.micro</id>
 	<launchable type="desktop-id">micro.desktop</launchable>
 	<name>Micro Text Editor</name>
 	<summary>A modern and intuitive terminal-based text editor</summary>
 	<description>
 		<p>
 			micro is a terminal-based text editor that aims to be easy to use and
 			intuitive, while also taking advantage of the capabilities of modern terminals.
 			It comes as a single, batteries-included, static binary with no dependencies;
 			you can download and use it right now!
 		</p>
 		<p>
 			As its name indicates, micro aims to be somewhat of a successor to the nano
 			editor by being easy to install and use. It strives to be enjoyable as a full-time
 			editor for people who prefer to work in a terminal, or those who regularly
 			edit files over SSH.
 		</p>
 	</description>
 	<metadata_license>MIT</metadata_license>
 	<project_license>MIT</project_license>
 	<categories>
 		<category>Development</category>
 		<category>TextEditor</category>
 	</categories>
 	<releases>
 			<release version="2.0.13" date="2023-10-22"/>
 			<release version="2.0.12" date="2023-09-06"/>
 			<release version="2.0.11" date="2022-08-01"/>
 	</releases>
 	<provides>
 		<binary>micro</binary>
 		<id>com.github.zyedidia.micro</id>
 	</provides>
 	<developer_name>Zachary Yedidia</developer_name>
 	<screenshots>
 		<screenshot type="default">
 			<caption>Micro Text Editor editing its source code</caption>
 			<image type="source">https://raw.githubusercontent.com/zyedidia/micro/master/assets/micro-solarized.png</image>
 		</screenshot>
 	</screenshots>
 	<content_rating type="oars-1.1" />
 	<url type="homepage">https://micro-editor.github.io</url>
 	<url type="bugtracker">https://github.com/zyedidia/micro/issues</url>
 	<url type="faq">https://micro-editor.github.io/about.html</url>
 	<url type="help">https://micro-editor.github.io/about.html</url>
 	<url type="contact">https://github.com/zyedidia</url>
 	<url type="vcs-browser">https://github.com/zyedidia/micro</url>
 	<url type="contribute">https://github.com/zyedidia/micro#contributing</url>
 </component>
--- a/data/micro.json
+++ b/data/micro.json
@ -1,367 +0,0 @@
 {
    "$comment": "https://github.com/zyedidia/micro",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "title": "options",
    "description": "A micro editor config schema",
    "type": "object",
    "properties": {
        "autoindent": {
            "description": "Whether to use the same indentation as a previous line\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "autosave": {
            "description": "A delay between automatic saves\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "integer",
            "minimum": 0,
            "default": 0
        },
        "autosu": {
            "description": "Whether attempt to use super user privileges\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "backup": {
            "description": "Whether to backup all open buffers\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "backupdir": {
            "description": "A directory to store backups\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": ""
        },
        "basename": {
            "description": "Whether to show a basename instead of a full path\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "clipboard": {
            "description": "A way to access the system clipboard\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "enum": [
                "external",
                "terminal",
                "internal"
            ],
            "default": "external"
        },
        "colorcolumn": {
            "description": "A position to display a column\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "integer",
            "minimum": 0,
            "default": 0
        },
        "colorscheme": {
            "description": "A color scheme\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "enum": [
                "atom-dark",
                "bubblegum",
                "cmc-16",
                "cmc-tc",
                "darcula",
                "default",
                "dracula-tc",
                "dukedark-tc",
                "dukelight-tc",
                "dukeubuntu-tc",
                "geany",
                "gotham",
                "gruvbox",
                "gruvbox-tc",
                "material-tc",
                "monokai-dark",
                "monokai",
                "one-dark",
                "railscast",
                "simple",
                "solarized",
                "solarized-tc",
                "sunny-day",
                "twilight",
                "zenburn"
            ],
            "default": "default"
        },
        "cursorline": {
            "description": "Whether to highlight a line with a cursor with a different color\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "diffgutter": {
            "description": "Whether to display diff inticators before lines\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "divchars": {
            "description": "Divider chars for vertical and horizontal splits\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "|-"
        },
        "divreverse": {
            "description": "Whether to use inversed color scheme colors for splits\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "encoding": {
            "description": "An encoding used to open and save files\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "utf-8"
        },
        "eofnewline": {
            "description": "Whether to add a missing trailing new line\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "fastdirty": {
            "description": "Whether to use a fast algorithm to determine whether a file is changed\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "fileformat": {
            "description": "A line ending format\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "enum": [
                "unix",
                "dos"
            ],
            "default": "unix"
        },
        "filetype": {
            "description": "A filetype for the current buffer\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "unknown"
        },
        "hlsearch": {
            "description": "Whether to highlight all instances of a searched text after a successful search\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "incsearch": {
            "description": "Whether to enable an incremental search in `Find` prompt\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "ignorecase": {
            "description": "Whether to perform case-insensitive searches\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "indentchar": {
            "description": "An indentation character\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "maxLength": 1,
            "default": " "
        },
        "infobar": {
            "description": "Whether to enable a line at the bottom where messages are printed\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "keepautoindent": {
            "description": "Whether add a whitespace while using autoindent\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "keymenu": {
            "description": "Whether to display nano-style key menu at the bottom\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "matchbrace": {
            "description": "Whether to show matching braces\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "matchbracestyle": {
            "description": "Whether to underline or highlight matching braces\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "enum": [
                "underline",
                "highlight"
            ],
            "default": "underline"
        },
        "mkparents": {
            "description": "Whether to create missing directories\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "mouse": {
            "description": "Whether to enable mouse support\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "paste": {
            "description": "Whether to treat characters sent from the terminal in a single chunk as a paste event\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "parsecursor": {
            "description": "Whether to extract a line number and a column to open files with from file names\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "permbackup": {
            "description": "Whether to permanently save backups\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "pluginchannels": {
            "description": "A file with list of plugin channels\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "https://raw.githubusercontent.com/micro-editor/plugin-channel/master/channel.json"
        },
        "pluginrepos": {
            "description": "Plugin repositories\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "array",
            "uniqueItems": true,
            "items": {
                "description": "A pluging repository\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
                "type": "string"
            },
            "default": []
        },
        "readonly": {
            "description": "Whether to forbid buffer editing\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "rmtrailingws": {
            "description": "Whether to remove trailing whitespaces\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "ruler": {
            "description": "Whether to display line numbers\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "relativeruler": {
            "description": "Whether to display relative line numbers\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "savecursor": {
            "description": "Whether to save cursor position in files\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "savehistory": {
            "description": "Whether to save command history between closing and re-opening editor\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "saveundo": {
            "description": "Whether to save undo after closing file\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "scrollbar": {
            "description": "Whether to save undo after closing file\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "scrollmargin": {
            "description": "A margin at which a view starts scrolling when a cursor approaches an edge of a view\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "integer",
            "default": 3
        },
        "scrollspeed": {
            "description": "Line count to scroll for one scroll event\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "integer",
            "default": 2
        },
        "smartpaste": {
            "description": "Whether to add a leading whitespace while pasting multiple lines\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "softwrap": {
            "description": "Whether to wrap long lines\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "splitbottom": {
            "description": "Whether to create a new horizontal split below the current one\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "splitright": {
            "description": "Whether to create a new vertical split right of the current one\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "statusformatl": {
            "description": "Format string of left-justified part of the statusline\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "$(filename) $(modified)($(line),$(col)) $(status.paste)| ft:$(opt:filetype) | $(opt:fileformat) | $(opt:encoding)"
        },
        "statusformatr": {
            "description": "Format string of right-justified part of the statusline\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "$(bind:ToggleKeyMenu): bindings, $(bind:ToggleHelp): help"
        },
        "statusline": {
            "description": "Whether to display a status line\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "sudo"
        },
        "sucmd": {
            "description": "A super user command\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "string",
            "default": "sudo",
            "examples": [
                "sudo",
                "doas"
            ]
        },
        "syntax": {
            "description": "Whether to enable a syntax highlighting\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "tabmovement": {
            "description": "Whether to navigate spaces at the beginning of lines as if they are tabs\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "tabhighlight": {
            "description": "Whether to invert tab character colors\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "tabreverse": {
            "description": "Whether to reverse tab bar colors\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "tabsize": {
            "description": "A tab size\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "integer",
            "default": 4
        },
        "tabstospaces": {
            "description": "Whether to use spaces instead of tabs\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "useprimary": {
            "description": "Whether to use primary clipboard to copy selections in the background\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": true
        },
        "wordwrap": {
            "description": "Whether to wrap long lines by words\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        },
        "xterm": {
            "description": "Whether to assume that the current terminal is `xterm`\nhttps://github.com/zyedidia/micro/blob/master/runtime/help/options.md#options",
            "type": "boolean",
            "default": false
        }
    },
    "additionalProperties": false
 }
--- a/go.mod
+++ b/go.mod
@ -14,9 +14,10 @@ require (
 	github.com/zyedidia/clipper v0.1.1
 	github.com/zyedidia/glob v0.0.0-20170209203856-dd4023a66dc3
 	github.com/zyedidia/json5 v0.0.0-20200102012142-2da050b1a98d
-	github.com/zyedidia/tcell/v2 v2.0.10 // indirect
+	github.com/zyedidia/pty v1.1.20 // indirect
-	github.com/zyedidia/terminal v0.0.0-20230315200948-4b3bcf6dddef
+	github.com/zyedidia/tcell/v2 v2.0.10-0.20221007181625-f562052bccb8 // indirect
-	golang.org/x/text v0.3.8
+	github.com/zyedidia/terminal v0.0.0-20180726154117-533c623e2415
 	golang.org/x/text v0.3.2
 	gopkg.in/yaml.v2 v2.2.8
 	layeh.com/gopher-luar v1.0.7
 )
--- a/go.sum
+++ b/go.sum
@ -3,8 +3,6 @@ github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnweb
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
 github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@ -38,10 +36,13 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/xo/terminfo v0.0.0-20200218205459-454e5b68f9e8 h1:woqigIZtZUZxws1zZA99nAvuz2mQrxtWsuZSR9c8I/A=
 github.com/xo/terminfo v0.0.0-20200218205459-454e5b68f9e8/go.mod h1:6Yhx5ZJl5942QrNRWLwITArVT9okUXc5c3brgWJMoDc=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/yuin/gopher-lua v0.0.0-20190206043414-8bfc7677f583/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
 github.com/yuin/gopher-lua v0.0.0-20191220021717-ab39c6098bdb h1:ZkM6LRnq40pR1Ox0hTHlnpkcOTuFIDQpZ1IN8rKKhX0=
 github.com/yuin/gopher-lua v0.0.0-20191220021717-ab39c6098bdb/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
 github.com/zyedidia/clipper v0.0.0-20220613212750-517cd4a6c524 h1:sWYUMHs1EAlsPERKLkaLCxLM0misLylZMEc9Ip5Csjw=
 github.com/zyedidia/clipper v0.0.0-20220613212750-517cd4a6c524/go.mod h1:7YApPNiiTZTXdKKZG92G50qj6mnWEX975Sdu65J7YpQ=
 github.com/zyedidia/clipper v0.1.0 h1:e16nhM1RgL3HYcugcHRUpMya1K830TS5uo6LlPJHySg=
 github.com/zyedidia/clipper v0.1.0/go.mod h1:7YApPNiiTZTXdKKZG92G50qj6mnWEX975Sdu65J7YpQ=
 github.com/zyedidia/clipper v0.1.1 h1:HBgguFNDq/QmSQKBnhy4sMKzILINr139VEgAhftOUTw=
 github.com/zyedidia/clipper v0.1.1/go.mod h1:7YApPNiiTZTXdKKZG92G50qj6mnWEX975Sdu65J7YpQ=
 github.com/zyedidia/glob v0.0.0-20170209203856-dd4023a66dc3 h1:oMHjjTLfGXVuyOQBYj5/td9WC0mw4g1xDBPovIqmHew=
@ -54,46 +55,26 @@ github.com/zyedidia/json5 v0.0.0-20200102012142-2da050b1a98d h1:zmDMkh22zXOB7gz8
 github.com/zyedidia/json5 v0.0.0-20200102012142-2da050b1a98d/go.mod h1:NDJSTTYWivnza6zkRapeX2/LwhKPEMQ7bJxqgDVT78I=
 github.com/zyedidia/poller v1.0.1 h1:Tt9S3AxAjXwWGNiC2TUdRJkQDZSzCBNVQ4xXiQ7440s=
 github.com/zyedidia/poller v1.0.1/go.mod h1:vZXJOHGDcuK08GXhF6IAY0ZFd2WcgOR5DOTp84Uk5eE=
 github.com/zyedidia/pty v1.1.15 h1:XlxMFph7HDvTn4sDG8Klgmb/g4ATGiSj4655vAETp1U=
 github.com/zyedidia/pty v1.1.15/go.mod h1:HWbpfrLoVM9FmU+/9NV+PzVQV8jSxgnQLk8fvx0q/i8=
 github.com/zyedidia/pty v1.1.19 h1:GouvvD/u+uml5EPFUAt5N3rFQKPBmZuuUXHvzAJhVA0=
 github.com/zyedidia/pty v1.1.19/go.mod h1:HWbpfrLoVM9FmU+/9NV+PzVQV8jSxgnQLk8fvx0q/i8=
 github.com/zyedidia/pty v1.1.20 h1:mkZ5/UiEjZVMFzoXp8oyJAlbn3b380m5lvFrbx/NL/g=
 github.com/zyedidia/pty v1.1.20/go.mod h1:HWbpfrLoVM9FmU+/9NV+PzVQV8jSxgnQLk8fvx0q/i8=
 github.com/zyedidia/tcell/v2 v2.0.9 h1:FxXRkE62N0GPHES7EMLtp2rteYqC9r1kVid8vJN1kOE=
 github.com/zyedidia/tcell/v2 v2.0.9/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
 github.com/zyedidia/tcell/v2 v2.0.10-0.20221007181625-f562052bccb8 h1:53ULv4mmLyQDnqbjVxanckP57WSreWHwTmlLJrJEutY=
 github.com/zyedidia/tcell/v2 v2.0.10-0.20221007181625-f562052bccb8/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
-github.com/zyedidia/tcell/v2 v2.0.10-0.20230320201625-54f6acdada4a h1:W4TWa++Wk6uRGxZoxr2nPX1TpIEl+Wxv0mTtocG4TYc=
+github.com/zyedidia/terminal v0.0.0-20180726154117-533c623e2415 h1:752dTQ5OatJ9M5ULK2+9lor+nzyZz+LYDo3WGngg3Rc=
-github.com/zyedidia/tcell/v2 v2.0.10-0.20230320201625-54f6acdada4a/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
+github.com/zyedidia/terminal v0.0.0-20180726154117-533c623e2415/go.mod h1:8leT8G0Cm8NoJHdrrKHyR9MirWoF4YW7pZh06B6H+1E=
 github.com/zyedidia/tcell/v2 v2.0.10-0.20230831153116-061c5b2c7260 h1:SCAmAacT5BxZsmOFdFy5zwwi6nj1MjA60gydjKdTgXo=
 github.com/zyedidia/tcell/v2 v2.0.10-0.20230831153116-061c5b2c7260/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
 github.com/zyedidia/tcell/v2 v2.0.10 h1:6fbbYAx/DYc9A//4jU1OeBrxtc9qJxYCZXCtGQbtTWU=
 github.com/zyedidia/tcell/v2 v2.0.10/go.mod h1:i4NNlquIQXFeNecrOgxDQQJdu+7LmTi3g62asvmwUws=
 github.com/zyedidia/terminal v0.0.0-20230315200948-4b3bcf6dddef h1:LeB4Qs0Tss4r/Qh8pfsTTqagDYHysfKJLYzAH3MVfu0=
 github.com/zyedidia/terminal v0.0.0-20230315200948-4b3bcf6dddef/go.mod h1:zeb8MJdcCObFKVvur3n2B4BANIPuo2Q8r4iiNs9Enx0=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f h1:v4INt8xihDGvnrfjMDVXGxw9wrfxYyCjk0KbXjhR55s=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
--- a/internal/action/actions.go
+++ b/internal/action/actions.go
@ -51,47 +51,53 @@ func (h *BufPane) ScrollAdjust() {
 func (h *BufPane) MousePress(e *tcell.EventMouse) bool {
 	b := h.Buf
 	mx, my := e.Position()
 	// ignore click on the status line
 	if my >= h.BufView().Y+h.BufView().Height {
 		return false
 	}
 	mouseLoc := h.LocFromVisual(buffer.Loc{mx, my})
 	h.Cursor.Loc = mouseLoc
-
+	if h.mouseReleased {
-	if b.NumCursors() > 1 {
+		if b.NumCursors() > 1 {
-		b.ClearCursors()
+			b.ClearCursors()
-		h.Relocate()
+			h.Relocate()
-		h.Cursor = h.Buf.GetActiveCursor()
+			h.Cursor = h.Buf.GetActiveCursor()
-		h.Cursor.Loc = mouseLoc
+			h.Cursor.Loc = mouseLoc
 	}
 	if time.Since(h.lastClickTime)/time.Millisecond < config.DoubleClickThreshold && (mouseLoc.X == h.lastLoc.X && mouseLoc.Y == h.lastLoc.Y) {
 		if h.doubleClick {
 			// Triple click
 			h.lastClickTime = time.Now()
 			h.tripleClick = true
 			h.doubleClick = false
 			h.Cursor.SelectLine()
 			h.Cursor.CopySelection(clipboard.PrimaryReg)
 		} else {
 			// Double click
 			h.lastClickTime = time.Now()
 			h.doubleClick = true
 			h.tripleClick = false
 			h.Cursor.SelectWord()
 			h.Cursor.CopySelection(clipboard.PrimaryReg)
 		}
-	} else {
+		if time.Since(h.lastClickTime)/time.Millisecond < config.DoubleClickThreshold && (mouseLoc.X == h.lastLoc.X && mouseLoc.Y == h.lastLoc.Y) {
-		h.doubleClick = false
+			if h.doubleClick {
-		h.tripleClick = false
+				// Triple click
-		h.lastClickTime = time.Now()
+				h.lastClickTime = time.Now()
-		h.Cursor.OrigSelection[0] = h.Cursor.Loc
+				h.tripleClick = true
-		h.Cursor.CurSelection[0] = h.Cursor.Loc
+				h.doubleClick = false
-		h.Cursor.CurSelection[1] = h.Cursor.Loc
+
 				h.Cursor.SelectLine()
 				h.Cursor.CopySelection(clipboard.PrimaryReg)
 			} else {
 				// Double click
 				h.lastClickTime = time.Now()
 				h.doubleClick = true
 				h.tripleClick = false
 				h.Cursor.SelectWord()
 				h.Cursor.CopySelection(clipboard.PrimaryReg)
 			}
 		} else {
 			h.doubleClick = false
 			h.tripleClick = false
 			h.lastClickTime = time.Now()
 			h.Cursor.OrigSelection[0] = h.Cursor.Loc
 			h.Cursor.CurSelection[0] = h.Cursor.Loc
 			h.Cursor.CurSelection[1] = h.Cursor.Loc
 		}
 		h.mouseReleased = false
 	} else if !h.mouseReleased {
 		if h.tripleClick {
 			h.Cursor.AddLineToSelection()
 		} else if h.doubleClick {
 			h.Cursor.AddWordToSelection()
 		} else {
 			h.Cursor.SetSelectionEnd(h.Cursor.Loc)
 		}
 	}
 	h.Cursor.StoreVisualX()
@ -100,45 +106,6 @@ func (h *BufPane) MousePress(e *tcell.EventMouse) bool {
 	return true
 }
 func (h *BufPane) MouseDrag(e *tcell.EventMouse) bool {
 	mx, my := e.Position()
 	// ignore drag on the status line
 	if my >= h.BufView().Y+h.BufView().Height {
 		return false
 	}
 	h.Cursor.Loc = h.LocFromVisual(buffer.Loc{mx, my})
 	if h.tripleClick {
 		h.Cursor.AddLineToSelection()
 	} else if h.doubleClick {
 		h.Cursor.AddWordToSelection()
 	} else {
 		h.Cursor.SelectTo(h.Cursor.Loc)
 	}
 	h.Cursor.StoreVisualX()
 	h.Relocate()
 	return true
 }
 func (h *BufPane) MouseRelease(e *tcell.EventMouse) bool {
 	// We could finish the selection based on the release location as in the
 	// commented out code below, to allow text selections even in a terminal
 	// that doesn't support mouse motion events. But when the mouse click is
 	// within the scroll margin, that would cause a scroll and selection
 	// even for a simple mouse click, which is not good.
 	// if !h.doubleClick && !h.tripleClick {
 	// 	mx, my := e.Position()
 	// 	h.Cursor.Loc = h.LocFromVisual(buffer.Loc{mx, my})
 	// 	h.Cursor.SetSelectionEnd(h.Cursor.Loc)
 	// }
 	if h.Cursor.HasSelection() {
 		h.Cursor.CopySelection(clipboard.PrimaryReg)
 	}
 	return true
 }
 // ScrollUpAction scrolls the view up
 func (h *BufPane) ScrollUpAction() bool {
 	h.ScrollUp(util.IntOpt(h.Buf.Settings["scrollspeed"]))
@ -209,7 +176,7 @@ func (h *BufPane) CursorUp() bool {
 // CursorDown moves the cursor down
 func (h *BufPane) CursorDown() bool {
-	h.Cursor.Deselect(false)
+	h.Cursor.Deselect(true)
 	h.MoveCursorDown(1)
 	h.Relocate()
 	return true
@ -244,7 +211,7 @@ func (h *BufPane) CursorLeft() bool {
 func (h *BufPane) CursorRight() bool {
 	if h.Cursor.HasSelection() {
 		h.Cursor.Deselect(false)
-		h.Cursor.Right()
+		h.Cursor.Loc = h.Cursor.Loc.Move(1, h.Buf)
 	} else {
 		tabstospaces := h.Buf.Settings["tabstospaces"].(bool)
 		tabmovement := h.Buf.Settings["tabmovement"].(bool)
@ -283,22 +250,6 @@ func (h *BufPane) WordLeft() bool {
 	return true
 }
 // SubWordRight moves the cursor one sub-word to the right
 func (h *BufPane) SubWordRight() bool {
 	h.Cursor.Deselect(false)
 	h.Cursor.SubWordRight()
 	h.Relocate()
 	return true
 }
 // SubWordLeft moves the cursor one sub-word to the left
 func (h *BufPane) SubWordLeft() bool {
 	h.Cursor.Deselect(true)
 	h.Cursor.SubWordLeft()
 	h.Relocate()
 	return true
 }
 // SelectUp selects up one line
 func (h *BufPane) SelectUp() bool {
 	if !h.Cursor.HasSelection() {
@ -375,28 +326,6 @@ func (h *BufPane) SelectWordLeft() bool {
 	return true
 }
 // SelectSubWordRight selects the sub-word to the right of the cursor
 func (h *BufPane) SelectSubWordRight() bool {
 	if !h.Cursor.HasSelection() {
 		h.Cursor.OrigSelection[0] = h.Cursor.Loc
 	}
 	h.Cursor.SubWordRight()
 	h.Cursor.SelectTo(h.Cursor.Loc)
 	h.Relocate()
 	return true
 }
 // SelectSubWordLeft selects the sub-word to the left of the cursor
 func (h *BufPane) SelectSubWordLeft() bool {
 	if !h.Cursor.HasSelection() {
 		h.Cursor.OrigSelection[0] = h.Cursor.Loc
 	}
 	h.Cursor.SubWordLeft()
 	h.Cursor.SelectTo(h.Cursor.Loc)
 	h.Relocate()
 	return true
 }
 // StartOfText moves the cursor to the start of the text of the line
 func (h *BufPane) StartOfText() bool {
 	h.Cursor.Deselect(true)
@ -660,28 +589,6 @@ func (h *BufPane) DeleteWordLeft() bool {
 	return true
 }
 // DeleteSubWordRight deletes the sub-word to the right of the cursor
 func (h *BufPane) DeleteSubWordRight() bool {
 	h.SelectSubWordRight()
 	if h.Cursor.HasSelection() {
 		h.Cursor.DeleteSelection()
 		h.Cursor.ResetSelection()
 	}
 	h.Relocate()
 	return true
 }
 // DeleteSubWordLeft deletes the sub-word to the left of the cursor
 func (h *BufPane) DeleteSubWordLeft() bool {
 	h.SelectSubWordLeft()
 	if h.Cursor.HasSelection() {
 		h.Cursor.DeleteSelection()
 		h.Cursor.ResetSelection()
 	}
 	h.Relocate()
 	return true
 }
 // Delete deletes the next character
 func (h *BufPane) Delete() bool {
 	if h.Cursor.HasSelection() {
@ -805,8 +712,8 @@ func (h *BufPane) Autocomplete() bool {
 	}
 	r := h.Cursor.RuneUnder(h.Cursor.X)
 	prev := h.Cursor.RuneUnder(h.Cursor.X - 1)
-	if !util.IsAutocomplete(prev) || util.IsWordChar(r) {
+	if !util.IsAutocomplete(prev) || !util.IsNonAlphaNumeric(r) {
-		// don't autocomplete if cursor is within a word
+		// don't autocomplete if cursor is on alpha numeric character (middle of a word)
 		return false
 	}
@ -886,26 +793,25 @@ func (h *BufPane) SaveAsCB(action string, callback func()) bool {
 			filename := strings.Join(args, " ")
 			fileinfo, err := os.Stat(filename)
 			if err != nil {
-				if errors.Is(err, fs.ErrNotExist) || errors.Is(err, fs.ErrPermission) {
+				if os.IsNotExist(err) {
 					noPrompt := h.saveBufToFile(filename, action, callback)
 					if noPrompt {
 						h.completeAction(action)
 						return
 					}
 				}
 			} else {
 				InfoBar.YNPrompt(
 					fmt.Sprintf("The file %s already exists in the directory, would you like to overwrite? Y/n", fileinfo.Name()),
 					func(yes, canceled bool) {
 						if yes && !canceled {
 							noPrompt := h.saveBufToFile(filename, action, callback)
 							if noPrompt {
 								h.completeAction(action)
 							}
 						}
 					},
 				)
 			}
 			InfoBar.YNPrompt(
 				fmt.Sprintf("the file %s already exists in the directory, would you like to overwrite? Y/n", fileinfo.Name()),
 				func(yes, canceled bool) {
 					if yes && !canceled {
 						noPrompt := h.saveBufToFile(filename, action, callback)
 						if noPrompt {
 							h.completeAction(action)
 						}
 					}
 				},
 			)
 		}
 	})
 	return false
@ -1047,9 +953,6 @@ func (h *BufPane) find(useRegex bool) bool {
 		}
 	}
 	pattern := string(h.Cursor.GetSelection())
 	if useRegex && pattern != "" {
 		pattern = regexp.QuoteMeta(pattern)
 	}
 	if eventCallback != nil && pattern != "" {
 		eventCallback(pattern)
 	}
@ -1124,28 +1027,6 @@ func (h *BufPane) FindPrevious() bool {
 	return true
 }
 // DiffNext searches forward until the beginning of the next block of diffs
 func (h *BufPane) DiffNext() bool {
 	cur := h.Cursor.Loc.Y
 	dl, err := h.Buf.FindNextDiffLine(cur, true)
 	if err != nil {
 		return false
 	}
 	h.GotoLoc(buffer.Loc{0, dl})
 	return true
 }
 // DiffPrevious searches forward until the end of the previous block of diffs
 func (h *BufPane) DiffPrevious() bool {
 	cur := h.Cursor.Loc.Y
 	dl, err := h.Buf.FindNextDiffLine(cur, false)
 	if err != nil {
 		return false
 	}
 	h.GotoLoc(buffer.Loc{0, dl})
 	return true
 }
 // Undo undoes the last action
 func (h *BufPane) Undo() bool {
 	h.Buf.Undo()
@ -1370,13 +1251,9 @@ func (h *BufPane) PastePrimary() bool {
 func (h *BufPane) paste(clip string) {
 	if h.Buf.Settings["smartpaste"].(bool) {
-		if h.Cursor.X > 0 {
+		if h.Cursor.X > 0 && len(util.GetLeadingWhitespace([]byte(strings.TrimLeft(clip, "\r\n")))) == 0 {
-			leadingPasteWS := string(util.GetLeadingWhitespace([]byte(clip)))
+			leadingWS := util.GetLeadingWhitespace(h.Buf.LineBytes(h.Cursor.Y))
-			if leadingPasteWS != " " && strings.Contains(clip, "\n"+leadingPasteWS) {
+			clip = strings.ReplaceAll(clip, "\n", "\n"+string(leadingWS))
 				leadingWS := string(util.GetLeadingWhitespace(h.Buf.LineBytes(h.Cursor.Y)))
 				clip = strings.TrimPrefix(clip, leadingPasteWS)
 				clip = strings.ReplaceAll(clip, "\n"+leadingPasteWS, "\n"+leadingWS)
 			}
 		}
 	}
@ -1394,15 +1271,21 @@ func (h *BufPane) paste(clip string) {
 // JumpToMatchingBrace moves the cursor to the matching brace if it is
 // currently on a brace
 func (h *BufPane) JumpToMatchingBrace() bool {
-	matchingBrace, left, found := h.Buf.FindMatchingBrace(h.Cursor.Loc)
+	for _, bp := range buffer.BracePairs {
-	if found {
+		r := h.Cursor.RuneUnder(h.Cursor.X)
-		if left {
+		rl := h.Cursor.RuneUnder(h.Cursor.X - 1)
-			h.Cursor.GotoLoc(matchingBrace)
+		if r == bp[0] || r == bp[1] || rl == bp[0] || rl == bp[1] {
-		} else {
+			matchingBrace, left, found := h.Buf.FindMatchingBrace(bp, h.Cursor.Loc)
-			h.Cursor.GotoLoc(matchingBrace.Move(1, h.Buf))
+			if found {
 				if left {
 					h.Cursor.GotoLoc(matchingBrace)
 				} else {
 					h.Cursor.GotoLoc(matchingBrace.Move(1, h.Buf))
 				}
 				h.Relocate()
 				return true
 			}
 		}
 		h.Relocate()
 		return true
 	}
 	return false
 }
@ -1428,7 +1311,7 @@ func (h *BufPane) OpenFile() bool {
 	return true
 }
-// JumpLine asks the user to enter a line number to jump to
+// OpenFile opens a new file in the buffer
 func (h *BufPane) JumpLine() bool {
 	InfoBar.Prompt("> ", "goto ", "Command", nil, func(resp string, canceled bool) {
 		if !canceled {
@ -1534,7 +1417,9 @@ func (h *BufPane) HalfPageDown() bool {
 func (h *BufPane) ToggleDiffGutter() bool {
 	if !h.Buf.Settings["diffgutter"].(bool) {
 		h.Buf.Settings["diffgutter"] = true
-		h.Buf.UpdateDiff()
+		h.Buf.UpdateDiff(func(synchronous bool) {
 			screen.Redraw()
 		})
 		InfoBar.Message("Enabled diff gutter")
 	} else {
 		h.Buf.Settings["diffgutter"] = false
@ -1675,7 +1560,9 @@ func (h *BufPane) QuitAll() bool {
 	}
 	quit := func() {
-		buffer.CloseOpenBuffers()
+		for _, b := range buffer.OpenBuffers {
 			b.Close()
 		}
 		screen.Screen.Fini()
 		InfoBar.Close()
 		runtime.Goexit()
@ -1804,7 +1691,7 @@ func (h *BufPane) PlayMacro() bool {
 		switch t := action.(type) {
 		case rune:
 			h.DoRuneInsert(t)
-		case BufKeyAction:
+		case func(*BufPane) bool:
 			t(h)
 		}
 	}
@ -1853,39 +1740,15 @@ func (h *BufPane) SpawnMultiCursor() bool {
 	return true
 }
-// SpawnMultiCursorUpN is not an action
+// SpawnMultiCursorUp creates additional cursor, at the same X (if possible), one Y less.
-func (h *BufPane) SpawnMultiCursorUpN(n int) bool {
+func (h *BufPane) SpawnMultiCursorUp() bool {
-	lastC := h.Buf.GetCursor(h.Buf.NumCursors() - 1)
+	if h.Cursor.Y == 0 {
-	var c *buffer.Cursor
+		return false
 	if !h.Buf.Settings["softwrap"].(bool) {
 		if n > 0 && lastC.Y == 0 {
 			return false
 		}
 		if n < 0 && lastC.Y+1 == h.Buf.LinesNum() {
 			return false
 		}
 		h.Buf.DeselectCursors()
 		c = buffer.NewCursor(h.Buf, buffer.Loc{lastC.X, lastC.Y - n})
 		c.LastVisualX = lastC.LastVisualX
 		c.X = c.GetCharPosInLine(h.Buf.LineBytes(c.Y), c.LastVisualX)
 		c.Relocate()
 	} else {
 		vloc := h.VLocFromLoc(lastC.Loc)
 		sloc := h.Scroll(vloc.SLoc, -n)
 		if sloc == vloc.SLoc {
 			return false
 		}
 		h.Buf.DeselectCursors()
 		vloc.SLoc = sloc
 		vloc.VisualX = lastC.LastVisualX
 		c = buffer.NewCursor(h.Buf, h.LocFromVLoc(vloc))
 		c.LastVisualX = lastC.LastVisualX
 	}
 	h.Cursor.GotoLoc(buffer.Loc{h.Cursor.X, h.Cursor.Y - 1})
 	h.Cursor.Relocate()
 	c := buffer.NewCursor(h.Buf, buffer.Loc{h.Cursor.X, h.Cursor.Y + 1})
 	h.Buf.AddCursor(c)
 	h.Buf.SetCurCursor(h.Buf.NumCursors() - 1)
 	h.Buf.MergeCursors()
@ -1894,14 +1757,20 @@ func (h *BufPane) SpawnMultiCursorUpN(n int) bool {
 	return true
 }
 // SpawnMultiCursorUp creates additional cursor, at the same X (if possible), one Y less.
 func (h *BufPane) SpawnMultiCursorUp() bool {
 	return h.SpawnMultiCursorUpN(1)
 }
 // SpawnMultiCursorDown creates additional cursor, at the same X (if possible), one Y more.
 func (h *BufPane) SpawnMultiCursorDown() bool {
-	return h.SpawnMultiCursorUpN(-1)
+	if h.Cursor.Y+1 == h.Buf.LinesNum() {
 		return false
 	}
 	h.Cursor.GotoLoc(buffer.Loc{h.Cursor.X, h.Cursor.Y + 1})
 	h.Cursor.Relocate()
 	c := buffer.NewCursor(h.Buf, buffer.Loc{h.Cursor.X, h.Cursor.Y - 1})
 	h.Buf.AddCursor(c)
 	h.Buf.SetCurCursor(h.Buf.NumCursors() - 1)
 	h.Buf.MergeCursors()
 	h.Relocate()
 	return true
 }
 // SpawnMultiCursorSelect adds a cursor at the beginning of each line of a selection
@ -1938,27 +1807,11 @@ func (h *BufPane) SpawnMultiCursorSelect() bool {
 	return true
 }
-// MouseMultiCursor is a mouse action which puts a new cursor at the mouse position,
+// MouseMultiCursor is a mouse action which puts a new cursor at the mouse position
 // or removes a cursor if it is already there
 func (h *BufPane) MouseMultiCursor(e *tcell.EventMouse) bool {
 	b := h.Buf
 	mx, my := e.Position()
 	// ignore click on the status line
 	if my >= h.BufView().Y+h.BufView().Height {
 		return false
 	}
 	mouseLoc := h.LocFromVisual(buffer.Loc{X: mx, Y: my})
 	if h.Buf.NumCursors() > 1 {
 		cursors := h.Buf.GetCursors()
 		for _, c := range cursors {
 			if c.Loc == mouseLoc {
 				h.Buf.RemoveCursor(c.Num)
 				return true
 			}
 		}
 	}
 	c := buffer.NewCursor(b, mouseLoc)
 	b.AddCursor(c)
 	b.MergeCursors()
--- a/internal/action/bindings.go
+++ b/internal/action/bindings.go
@ -88,10 +88,6 @@ func BindKey(k, v string, bind func(e Event, a string)) {
 		return
 	}
 	if strings.HasPrefix(k, "\x1b") {
 		screen.Screen.RegisterRawSeq(k)
 	}
 	bind(event, v)
 	// switch e := event.(type) {
@ -157,6 +153,7 @@ modSearch:
 			k = k[5:]
 			modifiers |= tcell.ModShift
 		case strings.HasPrefix(k, "\x1b"):
 			screen.Screen.RegisterRawSeq(k)
 			return RawEvent{
 				esc: k,
 			}, true
@ -204,20 +201,11 @@ modSearch:
 		}, true
 	}
 	var mstate MouseState = MousePress
 	if strings.HasSuffix(k, "Drag") {
 		k = k[:len(k)-4]
 		mstate = MouseDrag
 	} else if strings.HasSuffix(k, "Release") {
 		k = k[:len(k)-7]
 		mstate = MouseRelease
 	}
 	// See if we can find the key in bindingMouse
 	if code, ok := mouseEvents[k]; ok {
 		return MouseEvent{
-			btn:   code,
+			btn: code,
-			mod:   modifiers,
+			mod: modifiers,
 			state: mstate,
 		}, true
 	}
@ -251,24 +239,6 @@ func findEvent(k string) (Event, error) {
 	return event, nil
 }
 func eventsEqual(e1 Event, e2 Event) bool {
 	seq1, ok1 := e1.(KeySequenceEvent)
 	seq2, ok2 := e2.(KeySequenceEvent)
 	if ok1 && ok2 {
 		if len(seq1.keys) != len(seq2.keys) {
 			return false
 		}
 		for i := 0; i < len(seq1.keys); i++ {
 			if seq1.keys[i] != seq2.keys[i] {
 				return false
 			}
 		}
 		return true
 	}
 	return e1 == e2
 }
 // TryBindKey tries to bind a key by writing to config.ConfigDir/bindings.json
 // Returns true if the keybinding already existed and a possible error
 func TryBindKey(k, v string, overwrite bool) (bool, error) {
@ -294,23 +264,21 @@ func TryBindKey(k, v string, overwrite bool) (bool, error) {
 		}
 		found := false
-		var ev string
+		for ev := range parsed {
 		for ev = range parsed {
 			if e, err := findEvent(ev); err == nil {
-				if eventsEqual(e, key) {
+				if e == key {
 					if overwrite {
 						parsed[ev] = v
 					}
 					found = true
 					break
 				}
 			}
 		}
-		if found {
+		if found && !overwrite {
-			if overwrite {
+			return true, nil
-				parsed[ev] = v
+		} else if !found {
 			} else {
 				return true, nil
 			}
 		} else {
 			parsed[k] = v
 		}
@ -347,17 +315,13 @@ func UnbindKey(k string) error {
 		for ev := range parsed {
 			if e, err := findEvent(ev); err == nil {
-				if eventsEqual(e, key) {
+				if e == key {
 					delete(parsed, ev)
 					break
 				}
 			}
 		}
 		if strings.HasPrefix(k, "\x1b") {
 			screen.Screen.UnregisterRawSeq(k)
 		}
 		defaults := DefaultBindings("buffer")
 		if a, ok := defaults[k]; ok {
 			BindKey(k, a, Binder["buffer"])
--- a/internal/action/bufpane.go
+++ b/internal/action/bufpane.go
@ -8,6 +8,7 @@ import (
 	lua "github.com/yuin/gopher-lua"
 	"github.com/zyedidia/micro/v2/internal/buffer"
 	"github.com/zyedidia/micro/v2/internal/clipboard"
 	"github.com/zyedidia/micro/v2/internal/config"
 	"github.com/zyedidia/micro/v2/internal/display"
 	ulua "github.com/zyedidia/micro/v2/internal/lua"
@ -16,8 +17,6 @@ import (
 	"github.com/zyedidia/tcell/v2"
 )
 type BufAction interface{}
 // BufKeyAction represents an action bound to a key.
 type BufKeyAction func(*BufPane) bool
@ -45,9 +44,8 @@ func init() {
 	BufBindings = NewKeyTree()
 }
-// LuaAction makes an action from a lua function. It returns either a BufKeyAction
+// LuaAction makes a BufKeyAction from a lua function.
-// or a BufMouseAction depending on the event type.
+func LuaAction(fn string) func(*BufPane) bool {
 func LuaAction(fn string, k Event) BufAction {
 	luaFn := strings.Split(fn, ".")
 	if len(luaFn) <= 1 {
 		return nil
@ -57,42 +55,33 @@ func LuaAction(fn string, k Event) BufAction {
 	if pl == nil {
 		return nil
 	}
-
+	return func(h *BufPane) bool {
-	var action BufAction
+		val, err := pl.Call(plFn, luar.New(ulua.L, h))
-	switch k.(type) {
+		if err != nil {
-	case KeyEvent, KeySequenceEvent, RawEvent:
+			screen.TermMessage(err)
-		action = BufKeyAction(func(h *BufPane) bool {
+		}
-			val, err := pl.Call(plFn, luar.New(ulua.L, h))
+		if v, ok := val.(lua.LBool); !ok {
-			if err != nil {
+			return false
-				screen.TermMessage(err)
+		} else {
-			}
+			return bool(v)
-			if v, ok := val.(lua.LBool); !ok {
+		}
 				return false
 			} else {
 				return bool(v)
 			}
 		})
 	case MouseEvent:
 		action = BufMouseAction(func(h *BufPane, te *tcell.EventMouse) bool {
 			val, err := pl.Call(plFn, luar.New(ulua.L, h), luar.New(ulua.L, te))
 			if err != nil {
 				screen.TermMessage(err)
 			}
 			if v, ok := val.(lua.LBool); !ok {
 				return false
 			} else {
 				return bool(v)
 			}
 		})
 	}
 	return action
 }
-// BufMapEvent maps an event to an action
+// BufMapKey maps an event to an action
 func BufMapEvent(k Event, action string) {
 	config.Bindings["buffer"][k.Name()] = action
-	var actionfns []BufAction
+	switch e := k.(type) {
 	case KeyEvent, KeySequenceEvent, RawEvent:
 		bufMapKey(e, action)
 	case MouseEvent:
 		bufMapMouse(e, action)
 	}
 }
 func bufMapKey(k Event, action string) {
 	var actionfns []func(*BufPane) bool
 	var names []string
 	var types []byte
 	for i := 0; ; i++ {
@ -113,7 +102,7 @@ func BufMapEvent(k Event, action string) {
 			action = ""
 		}
-		var afn BufAction
+		var afn func(*BufPane) bool
 		if strings.HasPrefix(a, "command:") {
 			a = strings.SplitN(a, ":", 2)[1]
 			afn = CommandAction(a)
@ -124,7 +113,7 @@ func BufMapEvent(k Event, action string) {
 			names = append(names, "")
 		} else if strings.HasPrefix(a, "lua:") {
 			a = strings.SplitN(a, ":", 2)[1]
-			afn = LuaAction(a, k)
+			afn = LuaAction(a)
 			if afn == nil {
 				screen.TermMessage("Lua Error:", a, "does not exist")
 				continue
@ -140,16 +129,13 @@ func BufMapEvent(k Event, action string) {
 		} else if f, ok := BufKeyActions[a]; ok {
 			afn = f
 			names = append(names, a)
 		} else if f, ok := BufMouseActions[a]; ok {
 			afn = f
 			names = append(names, a)
 		} else {
 			screen.TermMessage("Error in bindings: action", a, "does not exist")
 			continue
 		}
 		actionfns = append(actionfns, afn)
 	}
-	bufAction := func(h *BufPane, te *tcell.EventMouse) bool {
+	bufAction := func(h *BufPane) bool {
 		cursors := h.Buf.GetCursors()
 		success := true
 		for i, a := range actionfns {
@ -161,7 +147,7 @@ func BufMapEvent(k Event, action string) {
 				h.Buf.SetCurCursor(c.Num)
 				h.Cursor = c
 				if i == 0 || (success && types[i-1] == '&') || (!success && types[i-1] == '|') || (types[i-1] == ',') {
-					innerSuccess = innerSuccess && h.execAction(a, names[i], j, te)
+					innerSuccess = innerSuccess && h.execAction(a, names[i], j)
 				} else {
 					break
 				}
@ -169,21 +155,21 @@ func BufMapEvent(k Event, action string) {
 			// if the action changed the current pane, update the reference
 			h = MainTab().CurPane()
 			success = innerSuccess
 			if h == nil {
 				// stop, in case the current pane is not a BufPane
 				break
 			}
 		}
 		return true
 	}
-	switch e := k.(type) {
+	BufBindings.RegisterKeyBinding(k, BufKeyActionGeneral(bufAction))
-	case KeyEvent, KeySequenceEvent, RawEvent:
+}
-		BufBindings.RegisterKeyBinding(e, BufKeyActionGeneral(func(h *BufPane) bool {
+
-			return bufAction(h, nil)
+// BufMapMouse maps a mouse event to an action
-		}))
+func bufMapMouse(k MouseEvent, action string) {
-	case MouseEvent:
+	if f, ok := BufMouseActions[action]; ok {
-		BufBindings.RegisterMouseBinding(e, BufMouseActionGeneral(bufAction))
+		BufBindings.RegisterMouseBinding(k, BufMouseActionGeneral(f))
 	} else {
 		// TODO
 		// delete(BufMouseBindings, k)
 		bufMapKey(k, action)
 	}
 }
@ -214,15 +200,11 @@ type BufPane struct {
 	// Cursor is the currently active buffer cursor
 	Cursor *buffer.Cursor
-	// Since tcell doesn't differentiate between a mouse press event
+	// Since tcell doesn't differentiate between a mouse release event
-	// and a mouse move event with button pressed (nor between a mouse
+	// and a mouse move event with no keys pressed, we need to keep
-	// release event and a mouse move event with no buttons pressed),
+	// track of whether or not the mouse was pressed (or not released) last event to determine
-	// we need to keep track of whether or not the mouse was previously
+	// mouse release events
-	// pressed, to determine mouse release and mouse drag events.
+	mouseReleased bool
 	// Moreover, since in case of a release event tcell doesn't tell us
 	// which button was released, we need to keep track of which
 	// (possibly multiple) buttons were pressed previously.
 	mousePressed map[MouseEvent]bool
 	// We need to keep track of insert key press toggle
 	isOverwriteMode bool
@ -268,7 +250,7 @@ func newBufPane(buf *buffer.Buffer, win display.BWindow, tab *Tab) *BufPane {
 	h.tab = tab
 	h.Cursor = h.Buf.GetActiveCursor()
-	h.mousePressed = make(map[MouseEvent]bool)
+	h.mouseReleased = true
 	return h
 }
@ -294,11 +276,7 @@ func NewBufPaneFromBuf(buf *buffer.Buffer, tab *Tab) *BufPane {
 func (h *BufPane) finishInitialize() {
 	h.initialRelocate()
 	h.initialized = true
-
+	config.RunPluginFn("onBufPaneOpen", luar.New(ulua.L, h))
 	err := config.RunPluginFn("onBufPaneOpen", luar.New(ulua.L, h))
 	if err != nil {
 		screen.TermMessage(err)
 	}
 }
 // Resize resizes the pane
@ -326,9 +304,9 @@ func (h *BufPane) ResizePane(size int) {
 }
 // PluginCB calls all plugin callbacks with a certain name and displays an
-// error if there is one and returns the aggregate boolean response
+// error if there is one and returns the aggregrate boolean response
 func (h *BufPane) PluginCB(cb string) bool {
-	b, err := config.RunPluginFnBool(h.Buf.Settings, cb, luar.New(ulua.L, h))
+	b, err := config.RunPluginFnBool(cb, luar.New(ulua.L, h))
 	if err != nil {
 		screen.TermMessage(err)
 	}
@ -337,19 +315,13 @@ func (h *BufPane) PluginCB(cb string) bool {
 // PluginCBRune is the same as PluginCB but also passes a rune to the plugins
 func (h *BufPane) PluginCBRune(cb string, r rune) bool {
-	b, err := config.RunPluginFnBool(h.Buf.Settings, cb, luar.New(ulua.L, h), luar.New(ulua.L, string(r)))
+	b, err := config.RunPluginFnBool(cb, luar.New(ulua.L, h), luar.New(ulua.L, string(r)))
 	if err != nil {
 		screen.TermMessage(err)
 	}
 	return b
 }
 func (h *BufPane) resetMouse() {
 	for me := range h.mousePressed {
 		delete(h.mousePressed, me)
 	}
 }
 // OpenBuffer opens the given buffer in this pane.
 func (h *BufPane) OpenBuffer(b *buffer.Buffer) {
 	h.Buf.Close()
@ -360,7 +332,7 @@ func (h *BufPane) OpenBuffer(b *buffer.Buffer) {
 	h.initialRelocate()
 	// Set mouseReleased to true because we assume the mouse is not being
 	// pressed when the editor is opened
-	h.resetMouse()
+	h.mouseReleased = true
 	// Set isOverwriteMode to false, because we assume we are in the default
 	// mode when editor is opened
 	h.isOverwriteMode = false
@ -423,40 +395,20 @@ func (h *BufPane) Name() string {
 	return n
 }
 // ReOpen reloads the file opened in the bufpane from disk
 func (h *BufPane) ReOpen() {
 	h.Buf.ReOpen()
 	h.Relocate()
 }
 func (h *BufPane) getReloadSetting() string {
 	reloadSetting := h.Buf.Settings["reload"]
 	return reloadSetting.(string)
 }
 // HandleEvent executes the tcell event properly
 func (h *BufPane) HandleEvent(event tcell.Event) {
 	if h.Buf.ExternallyModified() && !h.Buf.ReloadDisabled {
-		reload := h.getReloadSetting()
+		InfoBar.YNPrompt("The file on disk has changed. Reload file? (y,n,esc)", func(yes, canceled bool) {
 			if canceled {
 				h.Buf.DisableReload()
 			}
 			if !yes || canceled {
 				h.Buf.UpdateModTime()
 			} else {
 				h.Buf.ReOpen()
 			}
 		})
 		if reload == "prompt" {
 			InfoBar.YNPrompt("The file on disk has changed. Reload file? (y,n,esc)", func(yes, canceled bool) {
 				if canceled {
 					h.Buf.DisableReload()
 				}
 				if !yes || canceled {
 					h.Buf.UpdateModTime()
 				} else {
 					h.ReOpen()
 				}
 			})
 		} else if reload == "auto" {
 			h.ReOpen()
 		} else if reload == "disabled" {
 			h.Buf.DisableReload()
 		} else {
 			InfoBar.Message("Invalid reload setting")
 		}
 	}
 	switch e := event.(type) {
@ -480,37 +432,50 @@ func (h *BufPane) HandleEvent(event tcell.Event) {
 			h.DoRuneInsert(e.Rune())
 		}
 	case *tcell.EventMouse:
-		if e.Buttons() != tcell.ButtonNone {
+		cancel := false
 		switch e.Buttons() {
 		case tcell.Button1:
 			_, my := e.Position()
 			if h.Buf.Type.Kind != buffer.BTInfo.Kind && h.Buf.Settings["statusline"].(bool) && my >= h.GetView().Y+h.GetView().Height-1 {
 				cancel = true
 			}
 		case tcell.ButtonNone:
 			// Mouse event with no click
 			if !h.mouseReleased {
 				// Mouse was just released
 				// mx, my := e.Position()
 				// mouseLoc := h.LocFromVisual(buffer.Loc{X: mx, Y: my})
 				// we could finish the selection based on the release location as described
 				// below but when the mouse click is within the scroll margin this will
 				// cause a scroll and selection even for a simple mouse click which is
 				// not good
 				// for terminals that don't support mouse motion events, selection via
 				// the mouse won't work but this is ok
 				// Relocating here isn't really necessary because the cursor will
 				// be in the right place from the last mouse event
 				// However, if we are running in a terminal that doesn't support mouse motion
 				// events, this still allows the user to make selections, except only after they
 				// release the mouse
 				// if !h.doubleClick && !h.tripleClick {
 				// 	h.Cursor.SetSelectionEnd(h.Cursor.Loc)
 				// }
 				if h.Cursor.HasSelection() {
 					h.Cursor.CopySelection(clipboard.PrimaryReg)
 				}
 				h.mouseReleased = true
 			}
 		}
 		if !cancel {
 			me := MouseEvent{
-				btn:   e.Buttons(),
+				btn: e.Buttons(),
-				mod:   metaToAlt(e.Modifiers()),
+				mod: metaToAlt(e.Modifiers()),
 				state: MousePress,
 			}
 			isDrag := len(h.mousePressed) > 0
 			if e.Buttons() & ^(tcell.WheelUp|tcell.WheelDown|tcell.WheelLeft|tcell.WheelRight) != tcell.ButtonNone {
 				h.mousePressed[me] = true
 			}
 			if isDrag {
 				me.state = MouseDrag
 			}
 			h.DoMouseEvent(me, e)
 		} else {
 			// Mouse event with no click - mouse was just released.
 			// If there were multiple mouse buttons pressed, we don't know which one
 			// was actually released, so we assume they all were released.
 			pressed := len(h.mousePressed) > 0
 			for me := range h.mousePressed {
 				delete(h.mousePressed, me)
 				me.state = MouseRelease
 				h.DoMouseEvent(me, e)
 			}
 			if !pressed {
 				// Propagate the mouse release in case the press wasn't for this BufPane
 				Tabs.ResetMouse()
 			}
 		}
 	}
 	h.Buf.MergeCursors()
@ -530,14 +495,6 @@ func (h *BufPane) HandleEvent(event tcell.Event) {
 			InfoBar.ClearGutter()
 		}
 	}
 	cursors := h.Buf.GetCursors()
 	for _, c := range cursors {
 		if c.NewTrailingWsY != c.Y && (!c.HasSelection() ||
 			(c.NewTrailingWsY != c.CurSelection[0].Y && c.NewTrailingWsY != c.CurSelection[1].Y)) {
 			c.NewTrailingWsY = -1
 		}
 	}
 }
 // Bindings returns the current bindings tree for this buffer.
@ -549,10 +506,7 @@ func (h *BufPane) Bindings() *KeyTree {
 }
 // DoKeyEvent executes a key event by finding the action it is bound
-// to and executing it (possibly multiple times for multiple cursors).
+// to and executing it (possibly multiple times for multiple cursors)
 // Returns true if the action was executed OR if there are more keys
 // remaining to process before executing an action (if this is a key
 // sequence event). Returns false if no action found.
 func (h *BufPane) DoKeyEvent(e Event) bool {
 	binds := h.Bindings()
 	action, more := binds.NextEvent(e, nil)
@ -566,7 +520,7 @@ func (h *BufPane) DoKeyEvent(e Event) bool {
 	return more
 }
-func (h *BufPane) execAction(action BufAction, name string, cursor int, te *tcell.EventMouse) bool {
+func (h *BufPane) execAction(action func(*BufPane) bool, name string, cursor int) bool {
 	if name != "Autocomplete" && name != "CycleAutocompleteBack" {
 		h.Buf.HasSuggestions = false
 	}
@ -574,13 +528,7 @@ func (h *BufPane) execAction(action BufAction, name string, cursor int, te *tcel
 	_, isMulti := MultiActions[name]
 	if (!isMulti && cursor == 0) || isMulti {
 		if h.PluginCB("pre" + name) {
-			var success bool
+			success := action(h)
 			switch a := action.(type) {
 			case BufKeyAction:
 				success = a(h)
 			case BufMouseAction:
 				success = a(h, te)
 			}
 			success = success && h.PluginCB("on"+name)
 			if isMulti {
@ -701,10 +649,6 @@ func (h *BufPane) Close() {
 // SetActive marks this pane as active.
 func (h *BufPane) SetActive(b bool) {
 	if h.IsActive() == b {
 		return
 	}
 	h.BWindow.SetActive(b)
 	if b {
 		// Display any gutter messages for this line
@ -720,12 +664,8 @@ func (h *BufPane) SetActive(b bool) {
 		if none && InfoBar.HasGutter {
 			InfoBar.ClearGutter()
 		}
 		err := config.RunPluginFn("onSetActive", luar.New(ulua.L, h))
 		if err != nil {
 			screen.TermMessage(err)
 		}
 	}
 }
 // BufKeyActions contains the list of all possible key actions the bufhandler could execute
@ -746,16 +686,10 @@ var BufKeyActions = map[string]BufKeyAction{
 	"SelectRight":               (*BufPane).SelectRight,
 	"WordRight":                 (*BufPane).WordRight,
 	"WordLeft":                  (*BufPane).WordLeft,
 	"SubWordRight":              (*BufPane).SubWordRight,
 	"SubWordLeft":               (*BufPane).SubWordLeft,
 	"SelectWordRight":           (*BufPane).SelectWordRight,
 	"SelectWordLeft":            (*BufPane).SelectWordLeft,
 	"SelectSubWordRight":        (*BufPane).SelectSubWordRight,
 	"SelectSubWordLeft":         (*BufPane).SelectSubWordLeft,
 	"DeleteWordRight":           (*BufPane).DeleteWordRight,
 	"DeleteWordLeft":            (*BufPane).DeleteWordLeft,
 	"DeleteSubWordRight":        (*BufPane).DeleteSubWordRight,
 	"DeleteSubWordLeft":         (*BufPane).DeleteSubWordLeft,
 	"SelectLine":                (*BufPane).SelectLine,
 	"SelectToStartOfLine":       (*BufPane).SelectToStartOfLine,
 	"SelectToStartOfText":       (*BufPane).SelectToStartOfText,
@ -774,8 +708,6 @@ var BufKeyActions = map[string]BufKeyAction{
 	"FindLiteral":               (*BufPane).FindLiteral,
 	"FindNext":                  (*BufPane).FindNext,
 	"FindPrevious":              (*BufPane).FindPrevious,
 	"DiffNext":                  (*BufPane).DiffNext,
 	"DiffPrevious":              (*BufPane).DiffPrevious,
 	"Center":                    (*BufPane).Center,
 	"Undo":                      (*BufPane).Undo,
 	"Redo":                      (*BufPane).Redo,
@ -856,8 +788,6 @@ var BufKeyActions = map[string]BufKeyAction{
 // BufMouseActions contains the list of all possible mouse actions the bufhandler could execute
 var BufMouseActions = map[string]BufMouseAction{
 	"MousePress":       (*BufPane).MousePress,
 	"MouseDrag":        (*BufPane).MouseDrag,
 	"MouseRelease":     (*BufPane).MouseRelease,
 	"MouseMultiCursor": (*BufPane).MouseMultiCursor,
 }
@ -882,16 +812,10 @@ var MultiActions = map[string]bool{
 	"SelectRight":               true,
 	"WordRight":                 true,
 	"WordLeft":                  true,
 	"SubWordRight":              true,
 	"SubWordLeft":               true,
 	"SelectWordRight":           true,
 	"SelectWordLeft":            true,
 	"SelectSubWordRight":        true,
 	"SelectSubWordLeft":         true,
 	"DeleteWordRight":           true,
 	"DeleteWordLeft":            true,
 	"DeleteSubWordRight":        true,
 	"DeleteSubWordLeft":         true,
 	"SelectLine":                true,
 	"SelectToStartOfLine":       true,
 	"SelectToStartOfText":       true,
--- a/internal/action/command.go
+++ b/internal/action/command.go
@ -41,7 +41,6 @@ func InitCommands() {
 		"unbind":     {(*BufPane).UnbindCmd, nil},
 		"quit":       {(*BufPane).QuitCmd, nil},
 		"goto":       {(*BufPane).GotoCmd, nil},
 		"jump":       {(*BufPane).JumpCmd, nil},
 		"save":       {(*BufPane).SaveCmd, nil},
 		"replace":    {(*BufPane).ReplaceCmd, nil},
 		"replaceall": {(*BufPane).ReplaceAllCmd, nil},
@ -330,30 +329,13 @@ func (h *BufPane) ToggleLogCmd(args []string) {
 	}
 }
-// ReloadCmd reloads all files (syntax files, colorschemes, plugins...)
+// ReloadCmd reloads all files (syntax files, colorschemes...)
 func (h *BufPane) ReloadCmd(args []string) {
-	reloadRuntime(true)
+	ReloadConfig()
 }
 // ReloadConfig reloads only the configuration
 func ReloadConfig() {
-	reloadRuntime(false)
+	config.InitRuntimeFiles()
 }
 func reloadRuntime(reloadPlugins bool) {
 	if reloadPlugins {
 		err := config.RunPluginFn("deinit")
 		if err != nil {
 			screen.TermMessage(err)
 		}
 	}
 	config.InitRuntimeFiles(true)
 	if reloadPlugins {
 		config.InitPlugins()
 	}
 	err := config.ReadSettings()
 	if err != nil {
 		screen.TermMessage(err)
@ -362,36 +344,14 @@ func reloadRuntime(reloadPlugins bool) {
 	if err != nil {
 		screen.TermMessage(err)
 	}
 	if reloadPlugins {
 		err = config.LoadAllPlugins()
 		if err != nil {
 			screen.TermMessage(err)
 		}
 	}
 	InitBindings()
 	InitCommands()
 	if reloadPlugins {
 		err = config.RunPluginFn("preinit")
 		if err != nil {
 			screen.TermMessage(err)
 		}
 		err = config.RunPluginFn("init")
 		if err != nil {
 			screen.TermMessage(err)
 		}
 		err = config.RunPluginFn("postinit")
 		if err != nil {
 			screen.TermMessage(err)
 		}
 	}
 	err = config.InitColorscheme()
 	if err != nil {
 		screen.TermMessage(err)
 	}
 	for _, b := range buffer.OpenBuffers {
 		b.UpdateRules()
 	}
@ -403,24 +363,22 @@ func (h *BufPane) ReopenCmd(args []string) {
 		InfoBar.YNPrompt("Save file before reopen?", func(yes, canceled bool) {
 			if !canceled && yes {
 				h.Save()
-				h.ReOpen()
+				h.Buf.ReOpen()
 			} else if !canceled {
-				h.ReOpen()
+				h.Buf.ReOpen()
 			}
 		})
 	} else {
-		h.ReOpen()
+		h.Buf.ReOpen()
 	}
 }
 func (h *BufPane) openHelp(page string) error {
 	if data, err := config.FindRuntimeFile(config.RTHelp, page).Data(); err != nil {
-		return errors.New(fmt.Sprintf("Unable to load help text for %s: %v", page, err))
+		return errors.New(fmt.Sprint("Unable to load help text", page, "\n", err))
 	} else {
 		helpBuffer := buffer.NewBufferFromString(string(data), page+".md", buffer.BTHelp)
 		helpBuffer.SetName("Help " + page)
 		helpBuffer.SetOptionNative("hltaberrors", false)
 		helpBuffer.SetOptionNative("hltrailingws", false)
 		if h.Buf.Type == buffer.BTHelp {
 			h.OpenBuffer(helpBuffer)
@ -513,61 +471,61 @@ func (h *BufPane) NewTabCmd(args []string) {
 }
 func SetGlobalOptionNative(option string, nativeValue interface{}) error {
-	// check for local option first...
+	local := false
 	for _, s := range config.LocalSettings {
 		if s == option {
-			MainTab().CurPane().Buf.SetOptionNative(option, nativeValue)
+			local = true
-			return nil
+			break
 		}
 	}
-	// ...if it's not local continue with the globals
+	if !local {
-	config.GlobalSettings[option] = nativeValue
+		config.GlobalSettings[option] = nativeValue
-	config.ModifiedSettings[option] = true
+		config.ModifiedSettings[option] = true
 	delete(config.VolatileSettings, option)
-	if option == "colorscheme" {
+		if option == "colorscheme" {
-		// LoadSyntaxFiles()
+			// LoadSyntaxFiles()
-		config.InitColorscheme()
+			config.InitColorscheme()
-		for _, b := range buffer.OpenBuffers {
+			for _, b := range buffer.OpenBuffers {
-			b.UpdateRules()
+				b.UpdateRules()
-		}
+			}
-	} else if option == "infobar" || option == "keymenu" {
+		} else if option == "infobar" || option == "keymenu" {
-		Tabs.Resize()
+			Tabs.Resize()
-	} else if option == "mouse" {
+		} else if option == "mouse" {
-		if !nativeValue.(bool) {
+			if !nativeValue.(bool) {
-			screen.Screen.DisableMouse()
+				screen.Screen.DisableMouse()
 			} else {
 				screen.Screen.EnableMouse()
 			}
 		} else if option == "autosave" {
 			if nativeValue.(float64) > 0 {
 				config.SetAutoTime(int(nativeValue.(float64)))
 				config.StartAutoSave()
 			} else {
 				config.SetAutoTime(0)
 			}
 		} else if option == "paste" {
 			screen.Screen.SetPaste(nativeValue.(bool))
 		} else if option == "clipboard" {
 			m := clipboard.SetMethod(nativeValue.(string))
 			err := clipboard.Initialize(m)
 			if err != nil {
 				return err
 			}
 		} else {
-			screen.Screen.EnableMouse()
+			for _, pl := range config.Plugins {
-		}
+				if option == pl.Name {
-	} else if option == "autosave" {
+					if nativeValue.(bool) && !pl.Loaded {
-		if nativeValue.(float64) > 0 {
+						pl.Load()
-			config.SetAutoTime(int(nativeValue.(float64)))
+						_, err := pl.Call("init")
-			config.StartAutoSave()
+						if err != nil && err != config.ErrNoSuchFunction {
-		} else {
+							screen.TermMessage(err)
-			config.SetAutoTime(0)
+						}
-		}
+					} else if !nativeValue.(bool) && pl.Loaded {
-	} else if option == "paste" {
+						_, err := pl.Call("deinit")
-		screen.Screen.SetPaste(nativeValue.(bool))
+						if err != nil && err != config.ErrNoSuchFunction {
-	} else if option == "clipboard" {
+							screen.TermMessage(err)
-		m := clipboard.SetMethod(nativeValue.(string))
+						}
 		err := clipboard.Initialize(m)
 		if err != nil {
 			return err
 		}
 	} else {
 		for _, pl := range config.Plugins {
 			if option == pl.Name {
 				if nativeValue.(bool) && !pl.Loaded {
 					pl.Load()
 					_, err := pl.Call("init")
 					if err != nil && err != config.ErrNoSuchFunction {
 						screen.TermMessage(err)
 					}
 				} else if !nativeValue.(bool) && pl.Loaded {
 					_, err := pl.Call("deinit")
 					if err != nil && err != config.ErrNoSuchFunction {
 						screen.TermMessage(err)
 					}
 				}
 			}
@ -676,11 +634,6 @@ func (h *BufPane) ShowCmd(args []string) {
 	InfoBar.Message(option)
 }
 func parseKeyArg(arg string) string {
 	// If this is a raw escape sequence, convert it to its raw byte form
 	return strings.ReplaceAll(arg, "\\x1b", "\x1b")
 }
 // ShowKeyCmd displays the action that a key is bound to
 func (h *BufPane) ShowKeyCmd(args []string) {
 	if len(args) < 1 {
@ -688,7 +641,7 @@ func (h *BufPane) ShowKeyCmd(args []string) {
 		return
 	}
-	event, err := findEvent(parseKeyArg(args[0]))
+	event, err := findEvent(args[0])
 	if err != nil {
 		InfoBar.Error(err)
 		return
@ -707,7 +660,7 @@ func (h *BufPane) BindCmd(args []string) {
 		return
 	}
-	_, err := TryBindKey(parseKeyArg(args[0]), args[1], true)
+	_, err := TryBindKey(args[0], args[1], true)
 	if err != nil {
 		InfoBar.Error(err)
 	}
@ -720,7 +673,7 @@ func (h *BufPane) UnbindCmd(args []string) {
 		return
 	}
-	err := UnbindKey(parseKeyArg(args[0]))
+	err := UnbindKey(args[0])
 	if err != nil {
 		InfoBar.Error(err)
 	}
@ -748,65 +701,41 @@ func (h *BufPane) QuitCmd(args []string) {
 // position in the buffer
 // For example: `goto line`, or `goto line:col`
 func (h *BufPane) GotoCmd(args []string) {
 	line, col, err := h.parseLineCol(args)
 	if err != nil {
 		InfoBar.Error(err)
 		return
 	}
 	if line < 0 {
 		line = h.Buf.LinesNum() + 1 + line
 	}
 	line = util.Clamp(line-1, 0, h.Buf.LinesNum()-1)
 	col = util.Clamp(col-1, 0, util.CharacterCount(h.Buf.LineBytes(line)))
 	h.RemoveAllMultiCursors()
 	h.GotoLoc(buffer.Loc{col, line})
 }
 // JumpCmd is a command that will send the cursor to a certain relative
 // position in the buffer
 // For example: `jump line`, `jump -line`, or `jump -line:col`
 func (h *BufPane) JumpCmd(args []string) {
 	line, col, err := h.parseLineCol(args)
 	if err != nil {
 		InfoBar.Error(err)
 		return
 	}
 	line = h.Buf.GetActiveCursor().Y + 1 + line
 	line = util.Clamp(line-1, 0, h.Buf.LinesNum()-1)
 	col = util.Clamp(col-1, 0, util.CharacterCount(h.Buf.LineBytes(line)))
 	h.RemoveAllMultiCursors()
 	h.GotoLoc(buffer.Loc{col, line})
 }
 // parseLineCol is a helper to parse the input of GotoCmd and JumpCmd
 func (h *BufPane) parseLineCol(args []string) (line int, col int, err error) {
 	if len(args) <= 0 {
-		return 0, 0, errors.New("Not enough arguments")
+		InfoBar.Error("Not enough arguments")
 	}
 	line, col = 0, 0
 	if strings.Contains(args[0], ":") {
 		parts := strings.SplitN(args[0], ":", 2)
 		line, err = strconv.Atoi(parts[0])
 		if err != nil {
 			return 0, 0, err
 		}
 		col, err = strconv.Atoi(parts[1])
 		if err != nil {
 			return 0, 0, err
 		}
 	} else {
-		line, err = strconv.Atoi(args[0])
+		h.RemoveAllMultiCursors()
-		if err != nil {
+		if strings.Contains(args[0], ":") {
-			return 0, 0, err
+			parts := strings.SplitN(args[0], ":", 2)
 			line, err := strconv.Atoi(parts[0])
 			if err != nil {
 				InfoBar.Error(err)
 				return
 			}
 			col, err := strconv.Atoi(parts[1])
 			if err != nil {
 				InfoBar.Error(err)
 				return
 			}
 			if line < 0 {
 				line = h.Buf.LinesNum() + 1 + line
 			}
 			line = util.Clamp(line-1, 0, h.Buf.LinesNum()-1)
 			col = util.Clamp(col-1, 0, util.CharacterCount(h.Buf.LineBytes(line)))
 			h.GotoLoc(buffer.Loc{col, line})
 		} else {
 			line, err := strconv.Atoi(args[0])
 			if err != nil {
 				InfoBar.Error(err)
 				return
 			}
 			if line < 0 {
 				line = h.Buf.LinesNum() + 1 + line
 			}
 			line = util.Clamp(line-1, 0, h.Buf.LinesNum()-1)
 			h.GotoLoc(buffer.Loc{0, line})
 		}
 	}
 	return line, col, nil
 }
 // SaveCmd saves the buffer optionally with an argument file name
@ -881,7 +810,7 @@ func (h *BufPane) ReplaceCmd(args []string) {
 		end = h.Cursor.CurSelection[1]
 	}
 	if all {
-		nreplaced, _ = h.Buf.ReplaceRegex(start, end, regex, replace, !noRegex)
+		nreplaced, _ = h.Buf.ReplaceRegex(start, end, regex, replace)
 	} else {
 		inRange := func(l buffer.Loc) bool {
 			return l.GreaterEqual(start) && l.LessEqual(end)
@ -911,7 +840,7 @@ func (h *BufPane) ReplaceCmd(args []string) {
 			InfoBar.YNPrompt("Perform replacement (y,n,esc)", func(yes, canceled bool) {
 				if !canceled && yes {
-					_, nrunes := h.Buf.ReplaceRegex(locs[0], locs[1], regex, replace, !noRegex)
+					_, nrunes := h.Buf.ReplaceRegex(locs[0], locs[1], regex, replace)
 					searchLoc = locs[0]
 					searchLoc.X += nrunes + locs[0].Diff(locs[1], h.Buf)
--- a/internal/action/defaults_darwin.go
+++ b/internal/action/defaults_darwin.go
@ -41,8 +41,6 @@ var bufdefaults = map[string]string{
 	"Alt-F":          "FindLiteral",
 	"Ctrl-n":         "FindNext",
 	"Ctrl-p":         "FindPrevious",
 	"Alt-[":          "DiffPrevious|CursorStart",
 	"Alt-]":          "DiffNext|CursorEnd",
 	"Ctrl-z":         "Undo",
 	"Ctrl-y":         "Redo",
 	"Ctrl-c":         "CopyLine|Copy",
@ -92,13 +90,11 @@ var bufdefaults = map[string]string{
 	"Esc": "Escape,Deselect,ClearInfo,RemoveAllMultiCursors,UnhighlightSearch",
 	// Mouse bindings
-	"MouseWheelUp":     "ScrollUp",
+	"MouseWheelUp":   "ScrollUp",
-	"MouseWheelDown":   "ScrollDown",
+	"MouseWheelDown": "ScrollDown",
-	"MouseLeft":        "MousePress",
+	"MouseLeft":      "MousePress",
-	"MouseLeftDrag":    "MouseDrag",
+	"MouseMiddle":    "PastePrimary",
-	"MouseLeftRelease": "MouseRelease",
+	"Ctrl-MouseLeft": "MouseMultiCursor",
 	"MouseMiddle":      "PastePrimary",
 	"Ctrl-MouseLeft":   "MouseMultiCursor",
 	"Alt-n":        "SpawnMultiCursor",
 	"AltShiftUp":   "SpawnMultiCursorUp",
@ -177,10 +173,8 @@ var infodefaults = map[string]string{
 	"Esc": "AbortCommand",
 	// Mouse bindings
-	"MouseWheelUp":     "HistoryUp",
+	"MouseWheelUp":   "HistoryUp",
-	"MouseWheelDown":   "HistoryDown",
+	"MouseWheelDown": "HistoryDown",
-	"MouseLeft":        "MousePress",
+	"MouseLeft":      "MousePress",
-	"MouseLeftDrag":    "MouseDrag",
+	"MouseMiddle":    "PastePrimary",
 	"MouseLeftRelease": "MouseRelease",
 	"MouseMiddle":      "PastePrimary",
 }
--- a/internal/action/defaults_other.go
+++ b/internal/action/defaults_other.go
@ -1,4 +1,3 @@
 //go:build !darwin
 // +build !darwin
 package action
@ -44,8 +43,6 @@ var bufdefaults = map[string]string{
 	"Alt-F":          "FindLiteral",
 	"Ctrl-n":         "FindNext",
 	"Ctrl-p":         "FindPrevious",
 	"Alt-[":          "DiffPrevious|CursorStart",
 	"Alt-]":          "DiffNext|CursorEnd",
 	"Ctrl-z":         "Undo",
 	"Ctrl-y":         "Redo",
 	"Ctrl-c":         "CopyLine|Copy",
@ -95,13 +92,11 @@ var bufdefaults = map[string]string{
 	"Esc": "Escape,Deselect,ClearInfo,RemoveAllMultiCursors,UnhighlightSearch",
 	// Mouse bindings
-	"MouseWheelUp":     "ScrollUp",
+	"MouseWheelUp":   "ScrollUp",
-	"MouseWheelDown":   "ScrollDown",
+	"MouseWheelDown": "ScrollDown",
-	"MouseLeft":        "MousePress",
+	"MouseLeft":      "MousePress",
-	"MouseLeftDrag":    "MouseDrag",
+	"MouseMiddle":    "PastePrimary",
-	"MouseLeftRelease": "MouseRelease",
+	"Ctrl-MouseLeft": "MouseMultiCursor",
 	"MouseMiddle":      "PastePrimary",
 	"Ctrl-MouseLeft":   "MouseMultiCursor",
 	"Alt-n":        "SpawnMultiCursor",
 	"Alt-m":        "SpawnMultiCursorSelect",
@ -180,10 +175,8 @@ var infodefaults = map[string]string{
 	"Esc": "AbortCommand",
 	// Mouse bindings
-	"MouseWheelUp":     "HistoryUp",
+	"MouseWheelUp":   "HistoryUp",
-	"MouseWheelDown":   "HistoryDown",
+	"MouseWheelDown": "HistoryDown",
-	"MouseLeft":        "MousePress",
+	"MouseLeft":      "MousePress",
-	"MouseLeftDrag":    "MouseDrag",
+	"MouseMiddle":    "PastePrimary",
 	"MouseLeftRelease": "MouseRelease",
 	"MouseMiddle":      "PastePrimary",
 }
--- a/internal/action/events.go
+++ b/internal/action/events.go
@ -100,20 +100,11 @@ func (k KeySequenceEvent) Name() string {
 	return buf.String()
 }
 type MouseState int
 const (
 	MousePress = iota
 	MouseDrag
 	MouseRelease
 )
 // MouseEvent is a mouse event with a mouse button and
 // any possible key modifiers
 type MouseEvent struct {
-	btn   tcell.ButtonMask
+	btn tcell.ButtonMask
-	mod   tcell.ModMask
+	mod tcell.ModMask
 	state MouseState
 }
 func (m MouseEvent) Name() string {
@ -131,17 +122,9 @@ func (m MouseEvent) Name() string {
 		mod = "Ctrl-"
 	}
 	state := ""
 	switch m.state {
 	case MouseDrag:
 		state = "Drag"
 	case MouseRelease:
 		state = "Release"
 	}
 	for k, v := range mouseEvents {
 		if v == m.btn {
-			return fmt.Sprintf("%s%s%s", mod, k, state)
+			return fmt.Sprintf("%s%s", mod, k)
 		}
 	}
 	return ""
--- a/internal/action/infocomplete.go
+++ b/internal/action/infocomplete.go
@ -8,7 +8,6 @@ import (
 	"github.com/zyedidia/micro/v2/internal/buffer"
 	"github.com/zyedidia/micro/v2/internal/config"
 	"github.com/zyedidia/micro/v2/internal/util"
 	"github.com/zyedidia/micro/v2/pkg/highlight"
 )
 // This file is meant (for now) for autocompletion in command mode, not
@ -18,7 +17,7 @@ import (
 // CommandComplete autocompletes commands
 func CommandComplete(b *buffer.Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
-	input, argstart := b.GetArg()
+	input, argstart := buffer.GetArg(b)
 	var suggestions []string
 	for cmd := range commands {
@ -39,7 +38,7 @@ func CommandComplete(b *buffer.Buffer) ([]string, []string) {
 // HelpComplete autocompletes help topics
 func HelpComplete(b *buffer.Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
-	input, argstart := b.GetArg()
+	input, argstart := buffer.GetArg(b)
 	var suggestions []string
@ -78,63 +77,6 @@ func colorschemeComplete(input string) (string, []string) {
 	return chosen, suggestions
 }
 // filetypeComplete autocompletes filetype
 func filetypeComplete(input string) (string, []string) {
 	var suggestions []string
 	// We cannot match filetypes just by names of syntax files,
 	// since those names may be different from the actual filetype values
 	// specified inside syntax files (e.g. "c++" filetype in cpp.yaml).
 	// So we need to parse filetype values out of those files.
 	for _, f := range config.ListRealRuntimeFiles(config.RTSyntax) {
 		data, err := f.Data()
 		if err != nil {
 			continue
 		}
 		header, err := highlight.MakeHeaderYaml(data)
 		if err != nil {
 			continue
 		}
 		// Prevent duplicated defaults
 		if header.FileType == "off" || header.FileType == "unknown" {
 			continue
 		}
 		if strings.HasPrefix(header.FileType, input) {
 			suggestions = append(suggestions, header.FileType)
 		}
 	}
 headerLoop:
 	for _, f := range config.ListRuntimeFiles(config.RTSyntaxHeader) {
 		data, err := f.Data()
 		if err != nil {
 			continue
 		}
 		header, err := highlight.MakeHeader(data)
 		if err != nil {
 			continue
 		}
 		for _, v := range suggestions {
 			if v == header.FileType {
 				continue headerLoop
 			}
 		}
 		if strings.HasPrefix(header.FileType, input) {
 			suggestions = append(suggestions, header.FileType)
 		}
 	}
 	if strings.HasPrefix("off", input) {
 		suggestions = append(suggestions, "off")
 	}
 	var chosen string
 	if len(suggestions) == 1 {
 		chosen = suggestions[0]
 	}
 	return chosen, suggestions
 }
 func contains(s []string, e string) bool {
 	for _, a := range s {
 		if a == e {
@ -147,7 +89,7 @@ func contains(s []string, e string) bool {
 // OptionComplete autocompletes options
 func OptionComplete(b *buffer.Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
-	input, argstart := b.GetArg()
+	input, argstart := buffer.GetArg(b)
 	var suggestions []string
 	for option := range config.GlobalSettings {
@ -174,7 +116,7 @@ func OptionValueComplete(b *buffer.Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
 	l := b.LineBytes(c.Y)
 	l = util.SliceStart(l, c.X)
-	input, argstart := b.GetArg()
+	input, argstart := buffer.GetArg(b)
 	completeValue := false
 	args := bytes.Split(l, []byte{' '})
@ -230,8 +172,13 @@ func OptionValueComplete(b *buffer.Buffer) ([]string, []string) {
 		switch inputOpt {
 		case "colorscheme":
 			_, suggestions = colorschemeComplete(input)
-		case "filetype":
+		case "fileformat":
-			_, suggestions = filetypeComplete(input)
+			if strings.HasPrefix("unix", input) {
 				suggestions = append(suggestions, "unix")
 			}
 			if strings.HasPrefix("dos", input) {
 				suggestions = append(suggestions, "dos")
 			}
 		case "sucmd":
 			if strings.HasPrefix("sudo", input) {
 				suggestions = append(suggestions, "sudo")
@ -239,13 +186,15 @@ func OptionValueComplete(b *buffer.Buffer) ([]string, []string) {
 			if strings.HasPrefix("doas", input) {
 				suggestions = append(suggestions, "doas")
 			}
-		default:
+		case "clipboard":
-			if choices, ok := config.OptionChoices[inputOpt]; ok {
+			if strings.HasPrefix("external", input) {
-				for _, choice := range choices {
+				suggestions = append(suggestions, "external")
-					if strings.HasPrefix(choice, input) {
+			}
-						suggestions = append(suggestions, choice)
+			if strings.HasPrefix("internal", input) {
-					}
+				suggestions = append(suggestions, "internal")
-				}
+			}
 			if strings.HasPrefix("terminal", input) {
 				suggestions = append(suggestions, "terminal")
 			}
 		}
 	}
@ -261,7 +210,7 @@ func OptionValueComplete(b *buffer.Buffer) ([]string, []string) {
 // PluginCmdComplete autocompletes the plugin command
 func PluginCmdComplete(b *buffer.Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
-	input, argstart := b.GetArg()
+	input, argstart := buffer.GetArg(b)
 	var suggestions []string
 	for _, cmd := range PluginCmds {
@ -283,7 +232,7 @@ func PluginComplete(b *buffer.Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
 	l := b.LineBytes(c.Y)
 	l = util.SliceStart(l, c.X)
-	input, argstart := b.GetArg()
+	input, argstart := buffer.GetArg(b)
 	completeValue := false
 	args := bytes.Split(l, []byte{' '})
--- a/internal/action/infopane.go
+++ b/internal/action/infopane.go
@ -83,8 +83,6 @@ func (h *InfoPane) Close() {
 func (h *InfoPane) HandleEvent(event tcell.Event) {
 	switch e := event.(type) {
 	case *tcell.EventResize:
 		// TODO
 	case *tcell.EventKey:
 		ke := KeyEvent{
 			code: e.Key(),
@ -95,14 +93,12 @@ func (h *InfoPane) HandleEvent(event tcell.Event) {
 		done := h.DoKeyEvent(ke)
 		hasYN := h.HasYN
 		if e.Key() == tcell.KeyRune && hasYN {
-			y := e.Rune() == 'y' || e.Rune() == 'Y'
+			if (e.Rune() == 'y' || e.Rune() == 'Y') && hasYN {
-			n := e.Rune() == 'n' || e.Rune() == 'N'
+				h.YNResp = true
-			if y || n {
+				h.DonePrompt(false)
-				h.YNResp = y
+			} else if (e.Rune() == 'n' || e.Rune() == 'N') && hasYN {
 				h.YNResp = false
 				h.DonePrompt(false)
 				InfoBindings.ResetEvents()
 				InfoBufBindings.ResetEvents()
 			}
 		}
 		if e.Key() == tcell.KeyRune && !done && !hasYN {
@ -112,11 +108,7 @@ func (h *InfoPane) HandleEvent(event tcell.Event) {
 		if done && h.HasPrompt && !hasYN {
 			resp := string(h.LineBytes(0))
 			hist := h.History[h.PromptType]
-			if resp != hist[h.HistoryNum] {
+			hist[h.HistoryNum] = resp
 				h.HistoryNum = len(hist) - 1
 				hist[h.HistoryNum] = resp
 				h.HistorySearch = false
 			}
 			if h.EventCallback != nil {
 				h.EventCallback(resp)
 			}
@ -126,10 +118,7 @@ func (h *InfoPane) HandleEvent(event tcell.Event) {
 	}
 }
-// DoKeyEvent executes a key event for the command bar, doing any overridden actions.
+// DoKeyEvent executes a key event for the command bar, doing any overridden actions
 // Returns true if the action was executed OR if there are more keys remaining
 // to process before executing an action (if this is a key sequence event).
 // Returns false if no action found.
 func (h *InfoPane) DoKeyEvent(e KeyEvent) bool {
 	action, more := InfoBindings.NextEvent(e, nil)
 	if action != nil && !more {
@ -143,25 +132,11 @@ func (h *InfoPane) DoKeyEvent(e KeyEvent) bool {
 	}
 	if !more {
 		// If no infopane action found, try to find a bufpane action.
 		//
 		// TODO: this is buggy. For example, if the command bar has the following
 		// two bindings:
 		//
 		//   "<Ctrl-x><Ctrl-p>": "HistoryUp",
 		//   "<Ctrl-x><Ctrl-v>": "Paste",
 		//
 		// the 2nd binding (with a bufpane action) doesn't work, since <Ctrl-x>
 		// has been already consumed by the 1st binding (with an infopane action).
 		//
 		// We should either iterate both InfoBindings and InfoBufBindings keytrees
 		// together, or just use the same keytree for both infopane and bufpane
 		// bindings.
 		action, more = InfoBufBindings.NextEvent(e, nil)
 		if action != nil && !more {
-			action(h.BufPane)
+			done := action(h.BufPane)
 			InfoBufBindings.ResetEvents()
-			return true
+			return done
 		} else if action == nil && !more {
 			InfoBufBindings.ResetEvents()
 		}
@ -180,18 +155,6 @@ func (h *InfoPane) HistoryDown() {
 	h.DownHistory(h.History[h.PromptType])
 }
 // HistorySearchUp fetches the previous history item beginning with the text
 // in the infobuffer before cursor
 func (h *InfoPane) HistorySearchUp() {
 	h.SearchUpHistory(h.History[h.PromptType])
 }
 // HistorySearchDown fetches the next history item beginning with the text
 // in the infobuffer before cursor
 func (h *InfoPane) HistorySearchDown() {
 	h.SearchDownHistory(h.History[h.PromptType])
 }
 // Autocomplete begins autocompletion
 func (h *InfoPane) CommandComplete() {
 	b := h.Buf
@ -235,11 +198,9 @@ func (h *InfoPane) AbortCommand() {
 // InfoKeyActions contains the list of all possible key actions the infopane could execute
 var InfoKeyActions = map[string]InfoKeyAction{
-	"HistoryUp":         (*InfoPane).HistoryUp,
+	"HistoryUp":       (*InfoPane).HistoryUp,
-	"HistoryDown":       (*InfoPane).HistoryDown,
+	"HistoryDown":     (*InfoPane).HistoryDown,
-	"HistorySearchUp":   (*InfoPane).HistorySearchUp,
+	"CommandComplete": (*InfoPane).CommandComplete,
-	"HistorySearchDown": (*InfoPane).HistorySearchDown,
+	"ExecuteCommand":  (*InfoPane).ExecuteCommand,
-	"CommandComplete":   (*InfoPane).CommandComplete,
+	"AbortCommand":    (*InfoPane).AbortCommand,
 	"ExecuteCommand":    (*InfoPane).ExecuteCommand,
 	"AbortCommand":      (*InfoPane).AbortCommand,
 }
--- a/internal/action/tab.go
+++ b/internal/action/tab.go
@ -1,12 +1,9 @@
 package action
 import (
 	luar "layeh.com/gopher-luar"
 	"github.com/zyedidia/micro/v2/internal/buffer"
 	"github.com/zyedidia/micro/v2/internal/config"
 	"github.com/zyedidia/micro/v2/internal/display"
 	ulua "github.com/zyedidia/micro/v2/internal/lua"
 	"github.com/zyedidia/micro/v2/internal/screen"
 	"github.com/zyedidia/micro/v2/internal/views"
 	"github.com/zyedidia/tcell/v2"
@ -124,12 +121,6 @@ func (t *TabList) HandleEvent(event tcell.Event) {
 					return
 				}
 			}
 		case tcell.ButtonNone:
 			if t.List[t.Active()].release {
 				// Mouse release received, while already released
 				t.ResetMouse()
 				return
 			}
 		case tcell.WheelUp:
 			if my == t.Y {
 				t.Scroll(4)
@ -153,45 +144,6 @@ func (t *TabList) Display() {
 	}
 }
 func (t *TabList) SetActive(a int) {
 	t.TabWindow.SetActive(a)
 	for i, p := range t.List {
 		if i == a {
 			if !p.isActive {
 				p.isActive = true
 				err := config.RunPluginFn("onSetActive", luar.New(ulua.L, p.CurPane()))
 				if err != nil {
 					screen.TermMessage(err)
 				}
 			}
 		} else {
 			p.isActive = false
 		}
 	}
 }
 // ResetMouse resets the mouse release state after the screen was stopped
 // or the pane changed.
 // This prevents situations in which mouse releases are received at the wrong place
 // and the mouse state is still pressed.
 func (t *TabList) ResetMouse() {
 	for _, tab := range t.List {
 		if !tab.release && tab.resizing != nil {
 			tab.resizing = nil
 		}
 		tab.release = true
 		for _, p := range tab.Panes {
 			if bp, ok := p.(*BufPane); ok {
 				bp.resetMouse()
 			}
 		}
 	}
 }
 // Tabs is the global tab list
 var Tabs *TabList
@ -209,8 +161,6 @@ func InitTabs(bufs []*buffer.Buffer) {
 			}
 		}
 	}
 	screen.RestartCallback = Tabs.ResetMouse
 }
 func MainTab() *Tab {
@ -224,9 +174,6 @@ func MainTab() *Tab {
 type Tab struct {
 	*views.Node
 	*display.UIWindow
 	isActive bool
 	Panes  []Pane
 	active int
@ -264,40 +211,34 @@ func NewTabFromPane(x, y, width, height int, pane Pane) *Tab {
 // HandleEvent takes a tcell event and usually dispatches it to the current
 // active pane. However if the event is a resize or a mouse event where the user
 // is interacting with the UI (resizing splits) then the event is consumed here
-// If the event is a mouse press event in a pane, that pane will become active
+// If the event is a mouse event in a pane, that pane will become active and get
-// and get the event
+// the event
 func (t *Tab) HandleEvent(event tcell.Event) {
 	switch e := event.(type) {
 	case *tcell.EventMouse:
 		mx, my := e.Position()
-		btn := e.Buttons()
+		switch e.Buttons() {
-		switch {
+		case tcell.Button1:
 		case btn & ^(tcell.WheelUp|tcell.WheelDown|tcell.WheelLeft|tcell.WheelRight) != tcell.ButtonNone:
 			// button press or drag
 			wasReleased := t.release
 			t.release = false
-
+			if t.resizing != nil {
-			if btn == tcell.Button1 {
+				var size int
-				if t.resizing != nil {
+				if t.resizing.Kind == views.STVert {
-					var size int
+					size = mx - t.resizing.X
-					if t.resizing.Kind == views.STVert {
+				} else {
-						size = mx - t.resizing.X
+					size = my - t.resizing.Y + 1
 					} else {
 						size = my - t.resizing.Y + 1
 					}
 					t.resizing.ResizeSplit(size)
 					t.Resize()
 					return
 				}
 				if wasReleased {
 					t.resizing = t.GetMouseSplitNode(buffer.Loc{mx, my})
 					if t.resizing != nil {
 						return
 					}
 				}
 				t.resizing.ResizeSplit(size)
 				t.Resize()
 				return
 			}
 			if wasReleased {
 				t.resizing = t.GetMouseSplitNode(buffer.Loc{mx, my})
 				if t.resizing != nil {
 					return
 				}
 				for i, p := range t.Panes {
 					v := p.GetView()
 					inpane := mx >= v.X && mx < v.X+v.Width && my >= v.Y && my < v.Y+v.Height
@ -307,15 +248,10 @@ func (t *Tab) HandleEvent(event tcell.Event) {
 					}
 				}
 			}
-		case btn == tcell.ButtonNone:
+		case tcell.ButtonNone:
-			// button release
+			t.resizing = nil
 			t.release = true
 			if t.resizing != nil {
 				t.resizing = nil
 				return
 			}
 		default:
 			// wheel move
 			for _, p := range t.Panes {
 				v := p.GetView()
 				inpane := mx >= v.X && mx < v.X+v.Width && my >= v.Y && my < v.Y+v.Height
--- a/internal/action/termpane.go
+++ b/internal/action/termpane.go
@ -81,10 +81,6 @@ func (t *TermPane) SetID(i uint64) {
 	t.id = i
 }
 func (t *TermPane) Name() string {
 	return t.Terminal.Name()
 }
 func (t *TermPane) SetTab(tab *Tab) {
 	t.tab = tab
 }
--- a/internal/buffer/autocomplete.go
+++ b/internal/buffer/autocomplete.go
@ -64,7 +64,7 @@ func (b *Buffer) CycleAutocomplete(forward bool) {
 // GetWord gets the most recent word separated by any separator
 // (whitespace, punctuation, any non alphanumeric character)
-func (b *Buffer) GetWord() ([]byte, int) {
+func GetWord(b *Buffer) ([]byte, int) {
 	c := b.GetActiveCursor()
 	l := b.LineBytes(c.Y)
 	l = util.SliceStart(l, c.X)
@ -73,17 +73,17 @@ func (b *Buffer) GetWord() ([]byte, int) {
 		return []byte{}, -1
 	}
-	if util.IsNonWordChar(b.RuneAt(c.Loc.Move(-1, b))) {
+	if util.IsNonAlphaNumeric(b.RuneAt(c.Loc.Move(-1, b))) {
 		return []byte{}, c.X
 	}
-	args := bytes.FieldsFunc(l, util.IsNonWordChar)
+	args := bytes.FieldsFunc(l, util.IsNonAlphaNumeric)
 	input := args[len(args)-1]
 	return input, c.X - util.CharacterCount(input)
 }
 // GetArg gets the most recent word (separated by ' ' only)
-func (b *Buffer) GetArg() (string, int) {
+func GetArg(b *Buffer) (string, int) {
 	c := b.GetActiveCursor()
 	l := b.LineBytes(c.Y)
 	l = util.SliceStart(l, c.X)
@ -104,7 +104,7 @@ func (b *Buffer) GetArg() (string, int) {
 // FileComplete autocompletes filenames
 func FileComplete(b *Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
-	input, argstart := b.GetArg()
+	input, argstart := GetArg(b)
 	sep := string(os.PathSeparator)
 	dirs := strings.Split(input, sep)
@ -153,7 +153,7 @@ func FileComplete(b *Buffer) ([]string, []string) {
 // BufferComplete autocompletes based on previous words in the buffer
 func BufferComplete(b *Buffer) ([]string, []string) {
 	c := b.GetActiveCursor()
-	input, argstart := b.GetWord()
+	input, argstart := GetWord(b)
 	if argstart == -1 {
 		return []string{}, []string{}
@ -166,7 +166,7 @@ func BufferComplete(b *Buffer) ([]string, []string) {
 	var suggestions []string
 	for i := c.Y; i >= 0; i-- {
 		l := b.LineBytes(i)
-		words := bytes.FieldsFunc(l, util.IsNonWordChar)
+		words := bytes.FieldsFunc(l, util.IsNonAlphaNumeric)
 		for _, w := range words {
 			if bytes.HasPrefix(w, input) && util.CharacterCount(w) > inputLen {
 				strw := string(w)
@ -179,7 +179,7 @@ func BufferComplete(b *Buffer) ([]string, []string) {
 	}
 	for i := c.Y + 1; i < b.LinesNum(); i++ {
 		l := b.LineBytes(i)
-		words := bytes.FieldsFunc(l, util.IsNonWordChar)
+		words := bytes.FieldsFunc(l, util.IsNonAlphaNumeric)
 		for _, w := range words {
 			if bytes.HasPrefix(w, input) && util.CharacterCount(w) > inputLen {
 				strw := string(w)
--- a/internal/buffer/buffer.go
+++ b/internal/buffer/buffer.go
@ -57,7 +57,7 @@ var (
 	BTLog = BufType{2, true, true, false}
 	// BTScratch is a buffer that cannot be saved (for scratch work)
 	BTScratch = BufType{3, false, true, false}
-	// BTRaw is a buffer that shows raw terminal events
+	// BTRaw is is a buffer that shows raw terminal events
 	BTRaw = BufType{4, false, true, false}
 	// BTInfo is a buffer for inputting information
 	BTInfo = BufType{5, false, true, false}
@ -430,15 +430,6 @@ func NewBuffer(r io.Reader, size int64, path string, startcursor Loc, btype BufT
 	return b
 }
 // CloseOpenBuffers removes all open buffers
 func CloseOpenBuffers() {
 	for i, buf := range OpenBuffers {
 		buf.Fini()
 		OpenBuffers[i] = nil
 	}
 	OpenBuffers = OpenBuffers[:0]
 }
 // Close removes this buffer from the list of open buffers
 func (b *Buffer) Close() {
 	for i, buf := range OpenBuffers {
@ -483,7 +474,7 @@ func (b *Buffer) GetName() string {
 	return name
 }
-// SetName changes the name for this buffer
+//SetName changes the name for this buffer
 func (b *Buffer) SetName(s string) {
 	b.name = s
 }
@ -568,13 +559,6 @@ func (b *Buffer) RelocateCursors() {
 	}
 }
 // DeselectCursors removes selection from all cursors
 func (b *Buffer) DeselectCursors() {
 	for _, c := range b.cursors {
 		c.Deselect(true)
 	}
 }
 // RuneAt returns the rune at a given location in the buffer
 func (b *Buffer) RuneAt(loc Loc) rune {
 	line := b.LineBytes(loc.Y)
@ -682,103 +666,6 @@ func calcHash(b *Buffer, out *[md5.Size]byte) error {
 	return nil
 }
 func parseDefFromFile(f config.RuntimeFile, header *highlight.Header) *highlight.Def {
 	data, err := f.Data()
 	if err != nil {
 		screen.TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
 		return nil
 	}
 	if header == nil {
 		header, err = highlight.MakeHeaderYaml(data)
 		if err != nil {
 			screen.TermMessage("Error parsing header for syntax file " + f.Name() + ": " + err.Error())
 			return nil
 		}
 	}
 	file, err := highlight.ParseFile(data)
 	if err != nil {
 		screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 		return nil
 	}
 	syndef, err := highlight.ParseDef(file, header)
 	if err != nil {
 		screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 		return nil
 	}
 	return syndef
 }
 // findRealRuntimeSyntaxDef finds a specific syntax definition
 // in the user's custom syntax files
 func findRealRuntimeSyntaxDef(name string, header *highlight.Header) *highlight.Def {
 	for _, f := range config.ListRealRuntimeFiles(config.RTSyntax) {
 		if f.Name() == name {
 			syndef := parseDefFromFile(f, header)
 			if syndef != nil {
 				return syndef
 			}
 		}
 	}
 	return nil
 }
 // findRuntimeSyntaxDef finds a specific syntax definition
 // in the built-in syntax files
 func findRuntimeSyntaxDef(name string, header *highlight.Header) *highlight.Def {
 	for _, f := range config.ListRuntimeFiles(config.RTSyntax) {
 		if f.Name() == name {
 			syndef := parseDefFromFile(f, header)
 			if syndef != nil {
 				return syndef
 			}
 		}
 	}
 	return nil
 }
 func resolveIncludes(syndef *highlight.Def) {
 	includes := highlight.GetIncludes(syndef)
 	if len(includes) == 0 {
 		return
 	}
 	var files []*highlight.File
 	for _, f := range config.ListRuntimeFiles(config.RTSyntax) {
 		data, err := f.Data()
 		if err != nil {
 			screen.TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
 			continue
 		}
 		header, err := highlight.MakeHeaderYaml(data)
 		if err != nil {
 			screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 			continue
 		}
 		for _, i := range includes {
 			if header.FileType == i {
 				file, err := highlight.ParseFile(data)
 				if err != nil {
 					screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 					continue
 				}
 				files = append(files, file)
 				break
 			}
 		}
 		if len(files) >= len(includes) {
 			break
 		}
 	}
 	highlight.ResolveIncludes(syndef, files)
 }
 // UpdateRules updates the syntax rules and filetype for this buffer
 // This is called when the colorscheme changes
 func (b *Buffer) UpdateRules() {
@ -787,32 +674,13 @@ func (b *Buffer) UpdateRules() {
 	}
 	ft := b.Settings["filetype"].(string)
 	if ft == "off" {
 		b.ClearMatches()
 		b.SyntaxDef = nil
 		return
 	}
 	b.SyntaxDef = nil
 	// syntaxFileInfo is an internal helper structure
 	// to store properties of one single syntax file
 	type syntaxFileInfo struct {
 		header    *highlight.Header
 		fileName  string
 		syntaxDef *highlight.Def
 	}
 	fnameMatches := []syntaxFileInfo{}
 	headerMatches := []syntaxFileInfo{}
 	syntaxFile := ""
 	foundDef := false
 	var header *highlight.Header
 	// search for the syntax file in the user's custom syntax files
 	for _, f := range config.ListRealRuntimeFiles(config.RTSyntax) {
 		if f.Name() == "default" {
 			continue
 		}
 		data, err := f.Data()
 		if err != nil {
 			screen.TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
@ -822,147 +690,119 @@ func (b *Buffer) UpdateRules() {
 		header, err = highlight.MakeHeaderYaml(data)
 		if err != nil {
 			screen.TermMessage("Error parsing header for syntax file " + f.Name() + ": " + err.Error())
 		}
 		file, err := highlight.ParseFile(data)
 		if err != nil {
 			screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 			continue
 		}
-		matchedFileType := false
+		if ((ft == "unknown" || ft == "") && highlight.MatchFiletype(header.FtDetect, b.Path, b.lines[0].data)) || header.FileType == ft {
 		matchedFileName := false
 		matchedFileHeader := false
 		if ft == "unknown" || ft == "" {
 			if header.MatchFileName(b.Path) {
 				matchedFileName = true
 			}
 			if len(fnameMatches) == 0 && header.MatchFileHeader(b.lines[0].data) {
 				matchedFileHeader = true
 			}
 		} else if header.FileType == ft {
 			matchedFileType = true
 		}
 		if matchedFileType || matchedFileName || matchedFileHeader {
 			file, err := highlight.ParseFile(data)
 			if err != nil {
 				screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 				continue
 			}
 			syndef, err := highlight.ParseDef(file, header)
 			if err != nil {
 				screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 				continue
 			}
-
+			b.SyntaxDef = syndef
-			if matchedFileType {
+			syntaxFile = f.Name()
-				b.SyntaxDef = syndef
+			foundDef = true
-				syntaxFile = f.Name()
+			break
 				foundDef = true
 				break
 			}
 			if matchedFileName {
 				fnameMatches = append(fnameMatches, syntaxFileInfo{header, f.Name(), syndef})
 			} else if matchedFileHeader {
 				headerMatches = append(headerMatches, syntaxFileInfo{header, f.Name(), syndef})
 			}
 		}
 	}
-	if !foundDef {
+	// search in the default syntax files
-		// search for the syntax file in the built-in syntax files
+	for _, f := range config.ListRuntimeFiles(config.RTSyntaxHeader) {
-		for _, f := range config.ListRuntimeFiles(config.RTSyntaxHeader) {
+		data, err := f.Data()
-			data, err := f.Data()
+		if err != nil {
-			if err != nil {
+			screen.TermMessage("Error loading syntax header file " + f.Name() + ": " + err.Error())
-				screen.TermMessage("Error loading syntax header file " + f.Name() + ": " + err.Error())
+			continue
-				continue
+		}
 			}
-			header, err = highlight.MakeHeader(data)
+		header, err = highlight.MakeHeader(data)
-			if err != nil {
+		if err != nil {
-				screen.TermMessage("Error reading syntax header file", f.Name(), err)
+			screen.TermMessage("Error reading syntax header file", f.Name(), err)
-				continue
+			continue
-			}
+		}
-			if ft == "unknown" || ft == "" {
+		if ft == "unknown" || ft == "" {
-				if header.MatchFileName(b.Path) {
+			if highlight.MatchFiletype(header.FtDetect, b.Path, b.lines[0].data) {
 					fnameMatches = append(fnameMatches, syntaxFileInfo{header, f.Name(), nil})
 				}
 				if len(fnameMatches) == 0 && header.MatchFileHeader(b.lines[0].data) {
 					headerMatches = append(headerMatches, syntaxFileInfo{header, f.Name(), nil})
 				}
 			} else if header.FileType == ft {
 				syntaxFile = f.Name()
 				break
 			}
-		}
+		} else if header.FileType == ft {
-	}
+			syntaxFile = f.Name()
-
+			break
 	if syntaxFile == "" {
 		matches := fnameMatches
 		if len(matches) == 0 {
 			matches = headerMatches
 		}
 		length := len(matches)
 		if length > 0 {
 			signatureMatch := false
 			if length > 1 {
 				// multiple matching syntax files found, try to resolve the ambiguity
 				// using signatures
 				detectlimit := util.IntOpt(b.Settings["detectlimit"])
 				lineCount := len(b.lines)
 				limit := lineCount
 				if detectlimit > 0 && lineCount > detectlimit {
 					limit = detectlimit
 				}
 			matchLoop:
 				for _, m := range matches {
 					if m.header.HasFileSignature() {
 						for i := 0; i < limit; i++ {
 							if m.header.MatchFileSignature(b.lines[i].data) {
 								syntaxFile = m.fileName
 								if m.syntaxDef != nil {
 									b.SyntaxDef = m.syntaxDef
 									foundDef = true
 								}
 								header = m.header
 								signatureMatch = true
 								break matchLoop
 							}
 						}
 					}
 				}
 			}
 			if length == 1 || !signatureMatch {
 				syntaxFile = matches[0].fileName
 				if matches[0].syntaxDef != nil {
 					b.SyntaxDef = matches[0].syntaxDef
 					foundDef = true
 				}
 				header = matches[0].header
 			}
 		}
 	}
 	if syntaxFile != "" && !foundDef {
 		// we found a syntax file using a syntax header file
-		b.SyntaxDef = findRuntimeSyntaxDef(syntaxFile, header)
+		for _, f := range config.ListRuntimeFiles(config.RTSyntax) {
-	}
+			if f.Name() == syntaxFile {
 				data, err := f.Data()
 				if err != nil {
 					screen.TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
 					continue
 				}
-	if b.SyntaxDef != nil {
+				file, err := highlight.ParseFile(data)
-		b.Settings["filetype"] = b.SyntaxDef.FileType
+				if err != nil {
-	} else {
+					screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
-		// search for the default file in the user's custom syntax files
+					continue
-		b.SyntaxDef = findRealRuntimeSyntaxDef("default", nil)
+				}
-		if b.SyntaxDef == nil {
+
-			// search for the default file in the built-in syntax files
+				syndef, err := highlight.ParseDef(file, header)
-			b.SyntaxDef = findRuntimeSyntaxDef("default", nil)
+				if err != nil {
 					screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 					continue
 				}
 				b.SyntaxDef = syndef
 				break
 			}
 		}
 	}
-	if b.SyntaxDef != nil {
+	if b.SyntaxDef != nil && highlight.HasIncludes(b.SyntaxDef) {
-		resolveIncludes(b.SyntaxDef)
+		includes := highlight.GetIncludes(b.SyntaxDef)
 		var files []*highlight.File
 		for _, f := range config.ListRuntimeFiles(config.RTSyntax) {
 			data, err := f.Data()
 			if err != nil {
 				screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 				continue
 			}
 			header, err := highlight.MakeHeaderYaml(data)
 			if err != nil {
 				screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 				continue
 			}
 			for _, i := range includes {
 				if header.FileType == i {
 					file, err := highlight.ParseFile(data)
 					if err != nil {
 						screen.TermMessage("Error parsing syntax file " + f.Name() + ": " + err.Error())
 						continue
 					}
 					files = append(files, file)
 					break
 				}
 			}
 			if len(files) >= len(includes) {
 				break
 			}
 		}
 		highlight.ResolveIncludes(b.SyntaxDef, files)
 	}
 	if b.Highlighter == nil || syntaxFile != "" {
 		if b.SyntaxDef != nil {
 			b.Settings["filetype"] = b.SyntaxDef.FileType
 		}
 	} else {
 		b.SyntaxDef = &highlight.EmptyDef
 	}
 	if b.SyntaxDef != nil {
@ -1064,7 +904,7 @@ func (b *Buffer) MergeCursors() {
 	b.EventHandler.active = b.curCursor
 }
-// UpdateCursors updates all the cursors indices
+// UpdateCursors updates all the cursors indicies
 func (b *Buffer) UpdateCursors() {
 	b.EventHandler.cursors = b.cursors
 	b.EventHandler.active = b.curCursor
@ -1140,14 +980,34 @@ var BracePairs = [][2]rune{
 	{'[', ']'},
 }
-func (b *Buffer) findMatchingBrace(braceType [2]rune, start Loc, char rune) (Loc, bool) {
+// FindMatchingBrace returns the location in the buffer of the matching bracket
 // It is given a brace type containing the open and closing character, (for example
 // '{' and '}') as well as the location to match from
 // TODO: maybe can be more efficient with utf8 package
 // returns the location of the matching brace
 // if the boolean returned is true then the original matching brace is one character left
 // of the starting location
 func (b *Buffer) FindMatchingBrace(braceType [2]rune, start Loc) (Loc, bool, bool) {
 	curLine := []rune(string(b.LineBytes(start.Y)))
 	startChar := ' '
 	if start.X >= 0 && start.X < len(curLine) {
 		startChar = curLine[start.X]
 	}
 	leftChar := ' '
 	if start.X-1 >= 0 && start.X-1 < len(curLine) {
 		leftChar = curLine[start.X-1]
 	}
 	var i int
-	if char == braceType[0] {
+	if startChar == braceType[0] || leftChar == braceType[0] {
 		for y := start.Y; y < b.LinesNum(); y++ {
 			l := []rune(string(b.LineBytes(y)))
 			xInit := 0
 			if y == start.Y {
-				xInit = start.X
+				if startChar == braceType[0] {
 					xInit = start.X
 				} else {
 					xInit = start.X - 1
 				}
 			}
 			for x := xInit; x < len(l); x++ {
 				r := l[x]
@ -1156,74 +1016,42 @@ func (b *Buffer) findMatchingBrace(braceType [2]rune, start Loc, char rune) (Loc
 				} else if r == braceType[1] {
 					i--
 					if i == 0 {
-						return Loc{x, y}, true
+						if startChar == braceType[0] {
 							return Loc{x, y}, false, true
 						}
 						return Loc{x, y}, true, true
 					}
 				}
 			}
 		}
-	} else if char == braceType[1] {
+	} else if startChar == braceType[1] || leftChar == braceType[1] {
 		for y := start.Y; y >= 0; y-- {
 			l := []rune(string(b.lines[y].data))
 			xInit := len(l) - 1
 			if y == start.Y {
-				xInit = start.X
+				if leftChar == braceType[1] {
 					xInit = start.X - 1
 				} else {
 					xInit = start.X
 				}
 			}
 			for x := xInit; x >= 0; x-- {
 				r := l[x]
-				if r == braceType[1] {
+				if r == braceType[0] {
 					i++
 				} else if r == braceType[0] {
 					i--
 					if i == 0 {
-						return Loc{x, y}, true
+						if leftChar == braceType[1] {
 							return Loc{x, y}, true, true
 						}
 						return Loc{x, y}, false, true
 					}
 				} else if r == braceType[1] {
 					i++
 				}
 			}
 		}
 	}
-	return start, false
+	return start, true, false
 }
 // If there is a brace character (for example '{' or ']') at the given start location,
 // FindMatchingBrace returns the location of the matching brace for it (for example '}'
 // or '['). The second returned value is true if there was no matching brace found
 // for given starting location but it was found for the location one character left
 // of it. The third returned value is true if the matching brace was found at all.
 func (b *Buffer) FindMatchingBrace(start Loc) (Loc, bool, bool) {
 	// TODO: maybe can be more efficient with utf8 package
 	curLine := []rune(string(b.LineBytes(start.Y)))
 	// first try to find matching brace for the given location (it has higher priority)
 	if start.X >= 0 && start.X < len(curLine) {
 		startChar := curLine[start.X]
 		for _, bp := range BracePairs {
 			if startChar == bp[0] || startChar == bp[1] {
 				mb, found := b.findMatchingBrace(bp, start, startChar)
 				if found {
 					return mb, false, true
 				}
 			}
 		}
 	}
 	// failed to find matching brace for the given location, so try to find matching
 	// brace for the location one character left of it
 	if start.X-1 >= 0 && start.X-1 < len(curLine) {
 		leftChar := curLine[start.X-1]
 		left := Loc{start.X - 1, start.Y}
 		for _, bp := range BracePairs {
 			if leftChar == bp[0] || leftChar == bp[1] {
 				mb, found := b.findMatchingBrace(bp, left, leftChar)
 				if found {
 					return mb, true, true
 				}
 			}
 		}
 	}
 	return start, false, false
 }
 // Retab changes all tabs to spaces or vice versa
@ -1245,11 +1073,7 @@ func (b *Buffer) Retab() {
 		}
 		l = bytes.TrimLeft(l, " \t")
 		b.Lock()
 		b.lines[i].data = append(ws, l...)
 		b.Unlock()
 		b.MarkModified(i, i)
 		dirty = true
 	}
@ -1292,7 +1116,7 @@ func (b *Buffer) Write(bytes []byte) (n int, err error) {
 	return len(bytes), nil
 }
-func (b *Buffer) updateDiff(synchronous bool) {
+func (b *Buffer) updateDiffSync() {
 	b.diffLock.Lock()
 	defer b.diffLock.Unlock()
@ -1303,16 +1127,7 @@ func (b *Buffer) updateDiff(synchronous bool) {
 	}
 	differ := dmp.New()
-
+	baseRunes, bufferRunes, _ := differ.DiffLinesToRunes(string(b.diffBase), string(b.Bytes()))
 	if !synchronous {
 		b.Lock()
 	}
 	bytes := b.Bytes()
 	if !synchronous {
 		b.Unlock()
 	}
 	baseRunes, bufferRunes, _ := differ.DiffLinesToRunes(string(b.diffBase), string(bytes))
 	diffs := differ.DiffMainRunes(baseRunes, bufferRunes, false)
 	lineN := 0
@ -1341,9 +1156,13 @@ func (b *Buffer) updateDiff(synchronous bool) {
 // UpdateDiff computes the diff between the diff base and the buffer content.
 // The update may be performed synchronously or asynchronously.
 // UpdateDiff calls the supplied callback when the update is complete.
 // The argument passed to the callback is set to true if and only if
 // the update was performed synchronously.
 // If an asynchronous update is already pending when UpdateDiff is called,
-// UpdateDiff does not schedule another update.
+// UpdateDiff does not schedule another update, in which case the callback
-func (b *Buffer) UpdateDiff() {
+// is not called.
 func (b *Buffer) UpdateDiff(callback func(bool)) {
 	if b.updateDiffTimer != nil {
 		return
 	}
@ -1354,18 +1173,20 @@ func (b *Buffer) UpdateDiff() {
 	}
 	if lineCount < 1000 {
-		b.updateDiff(true)
+		b.updateDiffSync()
 		callback(true)
 	} else if lineCount < 30000 {
 		b.updateDiffTimer = time.AfterFunc(500*time.Millisecond, func() {
 			b.updateDiffTimer = nil
-			b.updateDiff(false)
+			b.updateDiffSync()
-			screen.Redraw()
+			callback(false)
 		})
 	} else {
 		// Don't compute diffs for very large files
 		b.diffLock.Lock()
 		b.diff = make(map[int]DiffStatus)
 		b.diffLock.Unlock()
 		callback(true)
 	}
 }
@ -1377,7 +1198,9 @@ func (b *Buffer) SetDiffBase(diffBase []byte) {
 	} else {
 		b.diffBaseLineCount = strings.Count(string(diffBase), "\n")
 	}
-	b.UpdateDiff()
+	b.UpdateDiff(func(synchronous bool) {
 		screen.Redraw()
 	})
 }
 // DiffStatus returns the diff status for a line in the buffer
@ -1388,41 +1211,6 @@ func (b *Buffer) DiffStatus(lineN int) DiffStatus {
 	return b.diff[lineN]
 }
 // FindNextDiffLine returns the line number of the next block of diffs.
 // If `startLine` is already in a block of diffs, lines in that block are skipped.
 func (b *Buffer) FindNextDiffLine(startLine int, forward bool) (int, error) {
 	if b.diff == nil {
 		return 0, errors.New("no diff data")
 	}
 	startStatus, ok := b.diff[startLine]
 	if !ok {
 		startStatus = DSUnchanged
 	}
 	curLine := startLine
 	for {
 		curStatus, ok := b.diff[curLine]
 		if !ok {
 			curStatus = DSUnchanged
 		}
 		if curLine < 0 || curLine > b.LinesNum() {
 			return 0, errors.New("no next diff hunk")
 		}
 		if curStatus != startStatus {
 			if startStatus != DSUnchanged && curStatus == DSUnchanged {
 				// Skip over the block of unchanged text
 				startStatus = DSUnchanged
 			} else {
 				return curLine, nil
 			}
 		}
 		if forward {
 			curLine++
 		} else {
 			curLine--
 		}
 	}
 }
 // SearchMatch returns true if the given location is within a match of the last search.
 // It is used for search highlighting
 func (b *Buffer) SearchMatch(pos Loc) bool {
--- a/internal/buffer/buffer_test.go
+++ b/internal/buffer/buffer_test.go
@ -20,7 +20,6 @@ type operation struct {
 func init() {
 	ulua.L = lua.NewState()
 	config.InitRuntimeFiles(false)
 	config.InitGlobalSettings()
 	config.GlobalSettings["backup"] = false
 	config.GlobalSettings["fastdirty"] = true
--- a/internal/buffer/cursor.go
+++ b/internal/buffer/cursor.go
@ -30,11 +30,6 @@ type Cursor struct {
 	// to know what the original selection was
 	OrigSelection [2]Loc
 	// The line number where a new trailing whitespace has been added
 	// or -1 if there is no new trailing whitespace at this cursor.
 	// This is used for checking if a trailing whitespace should be highlighted
 	NewTrailingWsY int
 	// Which cursor index is this (for multiple cursors)
 	Num int
 }
@ -43,8 +38,6 @@ func NewCursor(b *Buffer, l Loc) *Cursor {
 	c := &Cursor{
 		buf: b,
 		Loc: l,
 		NewTrailingWsY: -1,
 	}
 	c.StoreVisualX()
 	return c
@ -403,26 +396,13 @@ func (c *Cursor) SelectTo(loc Loc) {
 // WordRight moves the cursor one word to the right
 func (c *Cursor) WordRight() {
 	if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 		c.Right()
 		return
 	}
 	for util.IsWhitespace(c.RuneUnder(c.X)) {
 		if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 			c.Right()
 			return
 		}
 		c.Right()
 	}
 	if util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) &&
 		util.IsNonWordChar(c.RuneUnder(c.X+1)) {
 		for util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) {
 			if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 				return
 			}
 			c.Right()
 		}
 		return
 	}
 	c.Right()
 	for util.IsWordChar(c.RuneUnder(c.X)) {
 		if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
@ -434,10 +414,6 @@ func (c *Cursor) WordRight() {
 // WordLeft moves the cursor one word to the left
 func (c *Cursor) WordLeft() {
 	if c.X == 0 {
 		c.Left()
 		return
 	}
 	c.Left()
 	for util.IsWhitespace(c.RuneUnder(c.X)) {
 		if c.X == 0 {
@ -445,17 +421,6 @@ func (c *Cursor) WordLeft() {
 		}
 		c.Left()
 	}
 	if util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) &&
 		util.IsNonWordChar(c.RuneUnder(c.X-1)) {
 		for util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) {
 			if c.X == 0 {
 				return
 			}
 			c.Left()
 		}
 		c.Right()
 		return
 	}
 	c.Left()
 	for util.IsWordChar(c.RuneUnder(c.X)) {
 		if c.X == 0 {
@ -466,132 +431,6 @@ func (c *Cursor) WordLeft() {
 	c.Right()
 }
 // SubWordRight moves the cursor one sub-word to the right
 func (c *Cursor) SubWordRight() {
 	if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 		c.Right()
 		return
 	}
 	if util.IsWhitespace(c.RuneUnder(c.X)) {
 		for util.IsWhitespace(c.RuneUnder(c.X)) {
 			if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 				return
 			}
 			c.Right()
 		}
 		return
 	}
 	if util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) {
 		for util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) {
 			if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 				return
 			}
 			c.Right()
 		}
 		return
 	}
 	if util.IsSubwordDelimiter(c.RuneUnder(c.X)) {
 		for util.IsSubwordDelimiter(c.RuneUnder(c.X)) {
 			if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 				return
 			}
 			c.Right()
 		}
 		if util.IsWhitespace(c.RuneUnder(c.X)) {
 			return
 		}
 	}
 	if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 		return
 	}
 	if util.IsUpperLetter(c.RuneUnder(c.X)) &&
 		util.IsUpperLetter(c.RuneUnder(c.X+1)) {
 		for util.IsUpperAlphanumeric(c.RuneUnder(c.X)) {
 			if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 				return
 			}
 			c.Right()
 		}
 		if util.IsLowerAlphanumeric(c.RuneUnder(c.X)) {
 			c.Left()
 		}
 	} else {
 		c.Right()
 		for util.IsLowerAlphanumeric(c.RuneUnder(c.X)) {
 			if c.X == util.CharacterCount(c.buf.LineBytes(c.Y)) {
 				return
 			}
 			c.Right()
 		}
 	}
 }
 // SubWordLeft moves the cursor one sub-word to the left
 func (c *Cursor) SubWordLeft() {
 	if c.X == 0 {
 		c.Left()
 		return
 	}
 	c.Left()
 	if util.IsWhitespace(c.RuneUnder(c.X)) {
 		for util.IsWhitespace(c.RuneUnder(c.X)) {
 			if c.X == 0 {
 				return
 			}
 			c.Left()
 		}
 		c.Right()
 		return
 	}
 	if util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) {
 		for util.IsNonWordChar(c.RuneUnder(c.X)) && !util.IsWhitespace(c.RuneUnder(c.X)) {
 			if c.X == 0 {
 				return
 			}
 			c.Left()
 		}
 		c.Right()
 		return
 	}
 	if util.IsSubwordDelimiter(c.RuneUnder(c.X)) {
 		for util.IsSubwordDelimiter(c.RuneUnder(c.X)) {
 			if c.X == 0 {
 				return
 			}
 			c.Left()
 		}
 		if util.IsWhitespace(c.RuneUnder(c.X)) {
 			c.Right()
 			return
 		}
 	}
 	if c.X == 0 {
 		return
 	}
 	if util.IsUpperLetter(c.RuneUnder(c.X)) &&
 		util.IsUpperLetter(c.RuneUnder(c.X-1)) {
 		for util.IsUpperAlphanumeric(c.RuneUnder(c.X)) {
 			if c.X == 0 {
 				return
 			}
 			c.Left()
 		}
 		if !util.IsUpperAlphanumeric(c.RuneUnder(c.X)) {
 			c.Right()
 		}
 	} else {
 		for util.IsLowerAlphanumeric(c.RuneUnder(c.X)) {
 			if c.X == 0 {
 				return
 			}
 			c.Left()
 		}
 		if !util.IsAlphanumeric(c.RuneUnder(c.X)) {
 			c.Right()
 		}
 	}
 }
 // RuneUnder returns the rune under the given x position
 func (c *Cursor) RuneUnder(x int) rune {
 	line := c.buf.LineBytes(c.Y)
--- a/internal/buffer/eventhandler.go
+++ b/internal/buffer/eventhandler.go
@ -106,10 +106,6 @@ func (eh *EventHandler) DoTextEvent(t *TextEvent, useUndo bool) {
 		c.Relocate()
 		c.LastVisualX = c.GetVisualX()
 	}
 	if useUndo {
 		eh.updateTrailingWs(t)
 	}
 }
 // ExecuteTextEvent runs a text event
@ -241,7 +237,7 @@ func (eh *EventHandler) Execute(t *TextEvent) {
 	}
 	eh.UndoStack.Push(t)
-	b, err := config.RunPluginFnBool(nil, "onBeforeTextEvent", luar.New(ulua.L, eh.buf), luar.New(ulua.L, t))
+	b, err := config.RunPluginFnBool("onBeforeTextEvent", luar.New(ulua.L, eh.buf), luar.New(ulua.L, t))
 	if err != nil {
 		screen.TermMessage(err)
 	}
@ -294,7 +290,6 @@ func (eh *EventHandler) UndoOneEvent() {
 	if teCursor.Num >= 0 && teCursor.Num < len(eh.cursors) {
 		t.C = *eh.cursors[teCursor.Num]
 		eh.cursors[teCursor.Num].Goto(teCursor)
 		eh.cursors[teCursor.Num].NewTrailingWsY = teCursor.NewTrailingWsY
 	} else {
 		teCursor.Num = -1
 	}
@ -338,7 +333,6 @@ func (eh *EventHandler) RedoOneEvent() {
 	if teCursor.Num >= 0 && teCursor.Num < len(eh.cursors) {
 		t.C = *eh.cursors[teCursor.Num]
 		eh.cursors[teCursor.Num].Goto(teCursor)
 		eh.cursors[teCursor.Num].NewTrailingWsY = teCursor.NewTrailingWsY
 	} else {
 		teCursor.Num = -1
 	}
@ -348,58 +342,3 @@ func (eh *EventHandler) RedoOneEvent() {
 	eh.UndoStack.Push(t)
 }
 // updateTrailingWs updates the cursor's trailing whitespace status after a text event
 func (eh *EventHandler) updateTrailingWs(t *TextEvent) {
 	if len(t.Deltas) != 1 {
 		return
 	}
 	text := t.Deltas[0].Text
 	start := t.Deltas[0].Start
 	end := t.Deltas[0].End
 	c := eh.cursors[eh.active]
 	isEol := func(loc Loc) bool {
 		return loc.X == util.CharacterCount(eh.buf.LineBytes(loc.Y))
 	}
 	if t.EventType == TextEventInsert && c.Loc == end && isEol(end) {
 		var addedTrailingWs bool
 		addedAfterWs := false
 		addedWsOnly := false
 		if start.Y == end.Y {
 			addedTrailingWs = util.HasTrailingWhitespace(text)
 			addedWsOnly = util.IsBytesWhitespace(text)
 			addedAfterWs = start.X > 0 && util.IsWhitespace(c.buf.RuneAt(Loc{start.X - 1, start.Y}))
 		} else {
 			lastnl := bytes.LastIndex(text, []byte{'\n'})
 			addedTrailingWs = util.HasTrailingWhitespace(text[lastnl+1:])
 		}
 		if addedTrailingWs && !(addedAfterWs && addedWsOnly) {
 			c.NewTrailingWsY = c.Y
 		} else if !addedTrailingWs {
 			c.NewTrailingWsY = -1
 		}
 	} else if t.EventType == TextEventRemove && c.Loc == start && isEol(start) {
 		removedAfterWs := util.HasTrailingWhitespace(eh.buf.LineBytes(start.Y))
 		var removedWsOnly bool
 		if start.Y == end.Y {
 			removedWsOnly = util.IsBytesWhitespace(text)
 		} else {
 			firstnl := bytes.Index(text, []byte{'\n'})
 			removedWsOnly = util.IsBytesWhitespace(text[:firstnl])
 		}
 		if removedAfterWs && !removedWsOnly {
 			c.NewTrailingWsY = c.Y
 		} else if !removedAfterWs {
 			c.NewTrailingWsY = -1
 		}
 	} else if c.NewTrailingWsY != -1 && start.Y != end.Y && c.Loc.GreaterThan(start) &&
 		((t.EventType == TextEventInsert && c.Y == c.NewTrailingWsY+(end.Y-start.Y)) ||
 			(t.EventType == TextEventRemove && c.Y == c.NewTrailingWsY-(end.Y-start.Y))) {
 		// The cursor still has its new trailingws
 		// but its line number was shifted by insert or remove of lines above
 		c.NewTrailingWsY = c.Y
 	}
 }
--- a/internal/buffer/line_array.go
+++ b/internal/buffer/line_array.go
@ -46,9 +46,10 @@ type searchState struct {
 type Line struct {
 	data []byte
-	state highlight.State
+	state       highlight.State
-	match highlight.LineMatch
+	match       highlight.LineMatch
-	lock  sync.Mutex
+	rehighlight bool
 	lock        sync.Mutex
 	// The search states for the line, used for highlighting of search matches,
 	// separately from the syntax highlighting.
@ -74,7 +75,6 @@ type LineArray struct {
 	lines    []Line
 	Endings  FileFormat
 	initsize uint64
 	lock     sync.Mutex
 }
 // Append efficiently appends lines together
@ -116,12 +116,12 @@ func NewLineArray(size uint64, endings FileFormat, reader io.Reader) *LineArray
 		dlen := len(data)
 		if dlen > 1 && data[dlen-2] == '\r' {
 			data = append(data[:dlen-2], '\n')
-			if la.Endings == FFAuto {
+			if endings == FFAuto {
 				la.Endings = FFDos
 			}
 			dlen = len(data)
 		} else if dlen > 0 {
-			if la.Endings == FFAuto {
+			if endings == FFAuto {
 				la.Endings = FFUnix
 			}
 		}
@ -147,18 +147,20 @@ func NewLineArray(size uint64, endings FileFormat, reader io.Reader) *LineArray
 		if err != nil {
 			if err == io.EOF {
 				la.lines = Append(la.lines, Line{
-					data:  data,
+					data:        data,
-					state: nil,
+					state:       nil,
-					match: nil,
+					match:       nil,
 					rehighlight: false,
 				})
 			}
 			// Last line was read
 			break
 		} else {
 			la.lines = Append(la.lines, Line{
-				data:  data[:dlen-1],
+				data:        data[:dlen-1],
-				state: nil,
+				state:       nil,
-				match: nil,
+				match:       nil,
 				rehighlight: false,
 			})
 		}
 		n++
@ -188,23 +190,22 @@ func (la *LineArray) Bytes() []byte {
 // newlineBelow adds a newline below the given line number
 func (la *LineArray) newlineBelow(y int) {
 	la.lines = append(la.lines, Line{
-		data:  []byte{' '},
+		data:        []byte{' '},
-		state: nil,
+		state:       nil,
-		match: nil,
+		match:       nil,
 		rehighlight: false,
 	})
 	copy(la.lines[y+2:], la.lines[y+1:])
 	la.lines[y+1] = Line{
-		data:  []byte{},
+		data:        []byte{},
-		state: la.lines[y].state,
+		state:       la.lines[y].state,
-		match: nil,
+		match:       nil,
 		rehighlight: false,
 	}
 }
 // Inserts a byte array at a given location
 func (la *LineArray) insert(pos Loc, value []byte) {
 	la.lock.Lock()
 	defer la.lock.Unlock()
 	x, y := runeToByteIndex(pos.X, la.lines[pos.Y].data), pos.Y
 	for i := 0; i < len(value); i++ {
 		if value[i] == '\n' || (value[i] == '\r' && i < len(value)-1 && value[i+1] == '\n') {
@ -232,26 +233,24 @@ func (la *LineArray) insertByte(pos Loc, value byte) {
 // joinLines joins the two lines a and b
 func (la *LineArray) joinLines(a, b int) {
-	la.lines[a].data = append(la.lines[a].data, la.lines[b].data...)
+	la.insert(Loc{len(la.lines[a].data), a}, la.lines[b].data)
 	la.deleteLine(b)
 }
 // split splits a line at a given position
 func (la *LineArray) split(pos Loc) {
 	la.newlineBelow(pos.Y)
-	la.lines[pos.Y+1].data = append(la.lines[pos.Y+1].data, la.lines[pos.Y].data[pos.X:]...)
+	la.insert(Loc{0, pos.Y + 1}, la.lines[pos.Y].data[pos.X:])
 	la.lines[pos.Y+1].state = la.lines[pos.Y].state
 	la.lines[pos.Y].state = nil
 	la.lines[pos.Y].match = nil
 	la.lines[pos.Y+1].match = nil
 	la.lines[pos.Y].rehighlight = true
 	la.deleteToEnd(Loc{pos.X, pos.Y})
 }
 // removes from start to end
 func (la *LineArray) remove(start, end Loc) []byte {
 	la.lock.Lock()
 	defer la.lock.Unlock()
 	sub := la.Substr(start, end)
 	startX := runeToByteIndex(start.X, la.lines[start.Y].data)
 	endX := runeToByteIndex(end.X, la.lines[end.Y].data)
@ -328,11 +327,11 @@ func (la *LineArray) End() Loc {
 }
 // LineBytes returns line n as an array of bytes
-func (la *LineArray) LineBytes(lineN int) []byte {
+func (la *LineArray) LineBytes(n int) []byte {
-	if lineN >= len(la.lines) || lineN < 0 {
+	if n >= len(la.lines) || n < 0 {
 		return []byte{}
 	}
-	return la.lines[lineN].data
+	return la.lines[n].data
 }
 // State gets the highlight state for the given line number
@ -363,14 +362,16 @@ func (la *LineArray) Match(lineN int) highlight.LineMatch {
 	return la.lines[lineN].match
 }
-// Locks the whole LineArray
+func (la *LineArray) Rehighlight(lineN int) bool {
-func (la *LineArray) Lock() {
+	la.lines[lineN].lock.Lock()
-	la.lock.Lock()
+	defer la.lines[lineN].lock.Unlock()
 	return la.lines[lineN].rehighlight
 }
-// Unlocks the whole LineArray
+func (la *LineArray) SetRehighlight(lineN int, on bool) {
-func (la *LineArray) Unlock() {
+	la.lines[lineN].lock.Lock()
-	la.lock.Unlock()
+	defer la.lines[lineN].lock.Unlock()
 	la.lines[lineN].rehighlight = on
 }
 // SearchMatch returns true if the location `pos` is within a match
--- a/internal/buffer/save.go
+++ b/internal/buffer/save.go
@ -51,38 +51,27 @@ func overwriteFile(name string, enc encoding.Encoding, fn func(io.Writer) error,
 		// contents to its stdin it might hang because the kernel's pipe size
 		// is too small to handle the full file contents all at once
 		if e := cmd.Start(); e != nil && err == nil {
 			screen.TempStart(screenb)
 			return err
 		}
-	} else if writeCloser, err = os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666); err != nil {
+	} else if writeCloser, err = os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644); err != nil {
 		return
 	}
 	w := bufio.NewWriter(transform.NewWriter(writeCloser, enc.NewEncoder()))
 	err = fn(w)
 	w.Flush()
-	if err2 := w.Flush(); err2 != nil && err == nil {
+	if e := writeCloser.Close(); e != nil && err == nil {
-		err = err2
+		err = e
 	}
 	// Call Sync() on the file to make sure the content is safely on disk.
 	// Does not work with sudo as we don't have direct access to the file.
 	if !withSudo {
 		f := writeCloser.(*os.File)
 		if err2 := f.Sync(); err2 != nil && err == nil {
 			err = err2
 		}
 	}
 	if err2 := writeCloser.Close(); err2 != nil && err == nil {
 		err = err2
 	}
 	if withSudo {
 		// wait for dd to finish and restart the screen if we used sudo
 		err := cmd.Wait()
 		screen.TempStart(screenb)
 		if err != nil {
 			return err
 		}
 		screen.TempStart(screenb)
 	}
 	return
@ -93,14 +82,9 @@ func (b *Buffer) Save() error {
 	return b.SaveAs(b.Path)
 }
 // AutoSave saves the buffer to its default path
 func (b *Buffer) AutoSave() error {
 	return b.saveToFile(b.Path, false, true)
 }
 // SaveAs saves the buffer to a specified path (filename), creating the file if it does not exist
 func (b *Buffer) SaveAs(filename string) error {
-	return b.saveToFile(filename, false, false)
+	return b.saveToFile(filename, false)
 }
 func (b *Buffer) SaveWithSudo() error {
@ -108,10 +92,10 @@ func (b *Buffer) SaveWithSudo() error {
 }
 func (b *Buffer) SaveAsWithSudo(filename string) error {
-	return b.saveToFile(filename, true, false)
+	return b.saveToFile(filename, true)
 }
-func (b *Buffer) saveToFile(filename string, withSudo bool, autoSave bool) error {
+func (b *Buffer) saveToFile(filename string, withSudo bool) error {
 	var err error
 	if b.Type.Readonly {
 		return errors.New("Cannot save readonly buffer")
@ -123,7 +107,7 @@ func (b *Buffer) saveToFile(filename string, withSudo bool, autoSave bool) error
 		return errors.New("Save with sudo not supported on Windows")
 	}
-	if !autoSave && b.Settings["rmtrailingws"].(bool) {
+	if b.Settings["rmtrailingws"].(bool) {
 		for i, l := range b.lines {
 			leftover := util.CharacterCount(bytes.TrimRightFunc(l.data, unicode.IsSpace))
--- a/internal/buffer/search.go
+++ b/internal/buffer/search.go
@ -148,7 +148,7 @@ func (b *Buffer) FindNext(s string, start, end, from Loc, down bool, useRegex bo
 // ReplaceRegex replaces all occurrences of 'search' with 'replace' in the given area
 // and returns the number of replacements made and the number of runes
 // added or removed on the last line of the range
-func (b *Buffer) ReplaceRegex(start, end Loc, search *regexp.Regexp, replace []byte, captureGroups bool) (int, int) {
+func (b *Buffer) ReplaceRegex(start, end Loc, search *regexp.Regexp, replace []byte) (int, int) {
 	if start.GreaterThan(end) {
 		start, end = end, start
 	}
@ -172,13 +172,9 @@ func (b *Buffer) ReplaceRegex(start, end Loc, search *regexp.Regexp, replace []b
 			l = util.SliceStart(l, end.X)
 		}
 		newText := search.ReplaceAllFunc(l, func(in []byte) []byte {
-			var result []byte
+			result := []byte{}
-			if captureGroups {
+			for _, submatches := range search.FindAllSubmatchIndex(in, -1) {
-				for _, submatches := range search.FindAllSubmatchIndex(in, -1) {
+				result = search.Expand(result, replace, in, submatches)
 					result = search.Expand(result, replace, in, submatches)
 				}
 			} else {
 				result = replace
 			}
 			found++
 			if i == end.Y {
--- a/internal/buffer/settings.go
+++ b/internal/buffer/settings.go
@ -20,7 +20,7 @@ func (b *Buffer) SetOptionNative(option string, nativeValue interface{}) error {
 	} else if option == "statusline" {
 		screen.Redraw()
 	} else if option == "filetype" {
-		config.InitRuntimeFiles(true)
+		config.InitRuntimeFiles()
 		err := config.ReadSettings()
 		if err != nil {
 			screen.TermMessage(err)
@ -55,25 +55,6 @@ func (b *Buffer) SetOptionNative(option string, nativeValue interface{}) error {
 				buf.HighlightSearch = nativeValue.(bool)
 			}
 		}
 	} else {
 		for _, pl := range config.Plugins {
 			if option == pl.Name {
 				if nativeValue.(bool) {
 					if !pl.Loaded {
 						pl.Load()
 					}
 					_, err := pl.Call("init")
 					if err != nil && err != config.ErrNoSuchFunction {
 						screen.TermMessage(err)
 					}
 				} else if !nativeValue.(bool) && pl.Loaded {
 					_, err := pl.Call("deinit")
 					if err != nil && err != config.ErrNoSuchFunction {
 						screen.TermMessage(err)
 					}
 				}
 			}
 		}
 	}
 	if b.OptionCallback != nil {
--- a/internal/config/colorscheme.go
+++ b/internal/config/colorscheme.go
@ -52,55 +52,43 @@ func InitColorscheme() error {
 	Colorscheme = make(map[string]tcell.Style)
 	DefStyle = tcell.StyleDefault
-	c, err := LoadDefaultColorscheme()
+	return LoadDefaultColorscheme()
 	if err == nil {
 		Colorscheme = c
 	}
 	return err
 }
 // LoadDefaultColorscheme loads the default colorscheme from $(ConfigDir)/colorschemes
-func LoadDefaultColorscheme() (map[string]tcell.Style, error) {
+func LoadDefaultColorscheme() error {
-	var parsedColorschemes []string
+	return LoadColorscheme(GlobalSettings["colorscheme"].(string))
 	return LoadColorscheme(GlobalSettings["colorscheme"].(string), &parsedColorschemes)
 }
 // LoadColorscheme loads the given colorscheme from a directory
-func LoadColorscheme(colorschemeName string, parsedColorschemes *[]string) (map[string]tcell.Style, error) {
+func LoadColorscheme(colorschemeName string) error {
 	c := make(map[string]tcell.Style)
 	file := FindRuntimeFile(RTColorscheme, colorschemeName)
 	if file == nil {
-		return c, errors.New(colorschemeName + " is not a valid colorscheme")
+		return errors.New(colorschemeName + " is not a valid colorscheme")
 	}
 	if data, err := file.Data(); err != nil {
-		return c, errors.New("Error loading colorscheme: " + err.Error())
+		return errors.New("Error loading colorscheme: " + err.Error())
 	} else {
-		var err error
+		Colorscheme, err = ParseColorscheme(string(data))
 		c, err = ParseColorscheme(file.Name(), string(data), parsedColorschemes)
 		if err != nil {
-			return c, err
+			return err
 		}
 	}
-	return c, nil
+	return nil
 }
 // ParseColorscheme parses the text definition for a colorscheme and returns the corresponding object
 // Colorschemes are made up of color-link statements linking a color group to a list of colors
 // For example, color-link keyword (blue,red) makes all keywords have a blue foreground and
 // red background
-func ParseColorscheme(name string, text string, parsedColorschemes *[]string) (map[string]tcell.Style, error) {
+func ParseColorscheme(text string) (map[string]tcell.Style, error) {
 	var err error
-	colorParser := regexp.MustCompile(`color-link\s+(\S*)\s+"(.*)"`)
+	parser := regexp.MustCompile(`color-link\s+(\S*)\s+"(.*)"`)
-	includeParser := regexp.MustCompile(`include\s+"(.*)"`)
+
 	lines := strings.Split(text, "\n")
 	c := make(map[string]tcell.Style)
 	if parsedColorschemes != nil {
 		*parsedColorschemes = append(*parsedColorschemes, name)
 	}
 lineLoop:
 	for _, line := range lines {
 		if strings.TrimSpace(line) == "" ||
 			strings.TrimSpace(line)[0] == '#' {
@ -108,30 +96,7 @@ lineLoop:
 			continue
 		}
-		matches := includeParser.FindSubmatch([]byte(line))
+		matches := parser.FindSubmatch([]byte(line))
 		if len(matches) == 2 {
 			// support includes only in case parsedColorschemes are given
 			if parsedColorschemes != nil {
 				include := string(matches[1])
 				for _, name := range *parsedColorschemes {
 					// check for circular includes...
 					if name == include {
 						// ...and prevent them
 						continue lineLoop
 					}
 				}
 				includeScheme, err := LoadColorscheme(include, parsedColorschemes)
 				if err != nil {
 					return c, err
 				}
 				for k, v := range includeScheme {
 					c[k] = v
 				}
 			}
 			continue
 		}
 		matches = colorParser.FindSubmatch([]byte(line))
 		if len(matches) == 3 {
 			link := string(matches[1])
 			colors := string(matches[2])
--- a/internal/config/colorscheme_test.go
+++ b/internal/config/colorscheme_test.go
@ -65,7 +65,7 @@ color-link constant "#AE81FF,#282828"
 color-link constant.string "#E6DB74,#282828"
 color-link constant.string.char "#BDE6AD,#282828"`
-	c, err := ParseColorscheme("testColorscheme", testColorscheme, nil)
+	c, err := ParseColorscheme(testColorscheme)
 	assert.Nil(t, err)
 	fg, bg, _ := c["comment"].Decompose()
--- a/internal/config/plugin.go
+++ b/internal/config/plugin.go
@ -28,7 +28,7 @@ func LoadAllPlugins() error {
 func RunPluginFn(fn string, args ...lua.LValue) error {
 	var reterr error
 	for _, p := range Plugins {
-		if !p.IsLoaded() {
+		if !p.IsEnabled() {
 			continue
 		}
 		_, err := p.Call(fn, args...)
@ -42,11 +42,11 @@ func RunPluginFn(fn string, args ...lua.LValue) error {
 // RunPluginFnBool runs a function in all plugins and returns
 // false if any one of them returned false
 // also returns an error if any of the plugins had an error
-func RunPluginFnBool(settings map[string]interface{}, fn string, args ...lua.LValue) (bool, error) {
+func RunPluginFnBool(fn string, args ...lua.LValue) (bool, error) {
 	var reterr error
 	retbool := true
 	for _, p := range Plugins {
-		if !p.IsLoaded() || (settings != nil && settings[p.Name] == false) {
+		if !p.IsEnabled() {
 			continue
 		}
 		val, err := p.Call(fn, args...)
@ -71,11 +71,11 @@ type Plugin struct {
 	Info    *PluginInfo   // json file containing info
 	Srcs    []RuntimeFile // lua files
 	Loaded  bool
-	Default bool          // pre-installed plugin
+	Default bool // pre-installed plugin
 }
-// IsLoaded returns if a plugin is enabled
+// IsEnabled returns if a plugin is enabled
-func (p *Plugin) IsLoaded() bool {
+func (p *Plugin) IsEnabled() bool {
 	if v, ok := GlobalSettings[p.Name]; ok {
 		return v.(bool) && p.Loaded
 	}
@ -101,7 +101,7 @@ func (p *Plugin) Load() error {
 		}
 	}
 	p.Loaded = true
-	RegisterCommonOption(p.Name, true)
+	RegisterGlobalOption(p.Name, true)
 	return nil
 }
@ -133,7 +133,7 @@ func (p *Plugin) Call(fn string, args ...lua.LValue) (lua.LValue, error) {
 func FindPlugin(name string) *Plugin {
 	var pl *Plugin
 	for _, p := range Plugins {
-		if !p.IsLoaded() {
+		if !p.IsEnabled() {
 			continue
 		}
 		if p.Name == name {
--- a/internal/config/plugin_installer.go
+++ b/internal/config/plugin_installer.go
@ -363,7 +363,7 @@ func GetInstalledVersions(withCore bool) PluginVersions {
 	}
 	for _, p := range Plugins {
-		if !p.IsLoaded() {
+		if !p.IsEnabled() {
 			continue
 		}
 		version := GetInstalledPluginVersion(p.Name)
@ -572,7 +572,7 @@ func (pv PluginVersions) install(out io.Writer) {
 // UninstallPlugin deletes the plugin folder of the given plugin
 func UninstallPlugin(out io.Writer, name string) {
 	for _, p := range Plugins {
-		if !p.IsLoaded() {
+		if !p.IsEnabled() {
 			continue
 		}
 		if p.Name == name {
@ -605,7 +605,7 @@ func UpdatePlugins(out io.Writer, plugins []string) {
 	// if no plugins are specified, update all installed plugins.
 	if len(plugins) == 0 {
 		for _, p := range Plugins {
-			if !p.IsLoaded() || p.Default {
+			if !p.IsEnabled() || p.Default {
 				continue
 			}
 			plugins = append(plugins, p.Name)
--- a/internal/config/rtfiles.go
+++ b/internal/config/rtfiles.go
@ -40,10 +40,6 @@ var allFiles [][]RuntimeFile
 var realFiles [][]RuntimeFile
 func init() {
 	initRuntimeVars()
 }
 func initRuntimeVars() {
 	allFiles = make([][]RuntimeFile, NumTypes)
 	realFiles = make([][]RuntimeFile, NumTypes)
 }
@ -133,17 +129,9 @@ func AddRuntimeFilesFromAssets(fileType RTFiletype, directory, pattern string) {
 	if err != nil {
 		return
 	}
 assetLoop:
 	for _, f := range files {
 		if ok, _ := path.Match(pattern, f); ok {
-			af := assetFile(path.Join(directory, f))
+			AddRuntimeFile(fileType, assetFile(path.Join(directory, f)))
 			for _, rf := range realFiles[fileType] {
 				if af.Name() == rf.Name() {
 					continue assetLoop
 				}
 			}
 			AddRuntimeFile(fileType, af)
 		}
 	}
 }
@ -170,30 +158,19 @@ func ListRealRuntimeFiles(fileType RTFiletype) []RuntimeFile {
 	return realFiles[fileType]
 }
-// InitRuntimeFiles initializes all assets files and the config directory.
+// InitRuntimeFiles initializes all assets file and the config directory
-// If `user` is false, InitRuntimeFiles ignores the config directory and
+func InitRuntimeFiles() {
 // initializes asset files only.
 func InitRuntimeFiles(user bool) {
 	add := func(fileType RTFiletype, dir, pattern string) {
-		if user {
+		AddRuntimeFilesFromDirectory(fileType, filepath.Join(ConfigDir, dir), pattern)
 			AddRuntimeFilesFromDirectory(fileType, filepath.Join(ConfigDir, dir), pattern)
 		}
 		AddRuntimeFilesFromAssets(fileType, path.Join("runtime", dir), pattern)
 	}
 	initRuntimeVars()
 	add(RTColorscheme, "colorschemes", "*.micro")
 	add(RTSyntax, "syntax", "*.yaml")
 	add(RTSyntaxHeader, "syntax", "*.hdr")
 	add(RTHelp, "help", "*.md")
 }
 // InitPlugins initializes the plugins
 func InitPlugins() {
 	Plugins = Plugins[:0]
 	initlua := filepath.Join(ConfigDir, "init.lua")
 	if _, err := os.Stat(initlua); !os.IsNotExist(err) {
 		p := new(Plugin)
 		p.Name = "initlua"
@ -241,15 +218,7 @@ func InitPlugins() {
 	plugdir = filepath.Join("runtime", "plugins")
 	if files, err := rt.AssetDir(plugdir); err == nil {
 	outer:
 		for _, d := range files {
 			for _, p := range Plugins {
 				if p.Name == d {
 					log.Println(p.Name, "built-in plugin overridden by user-defined one")
 					continue outer
 				}
 			}
 			if srcs, err := rt.AssetDir(filepath.Join(plugdir, d)); err == nil {
 				p := new(Plugin)
 				p.Name = d
--- a/internal/config/rtfiles_test.go
+++ b/internal/config/rtfiles_test.go
@ -7,7 +7,7 @@ import (
 )
 func init() {
-	InitRuntimeFiles(false)
+	InitRuntimeFiles()
 }
 func TestAddFile(t *testing.T) {
--- a/internal/config/settings.go
+++ b/internal/config/settings.go
@ -8,7 +8,6 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
 	"runtime"
 	"strconv"
 	"strings"
@ -20,116 +19,6 @@ import (
 type optionValidator func(string, interface{}) error
 // a list of settings that need option validators
 var optionValidators = map[string]optionValidator{
 	"autosave":        validateNonNegativeValue,
 	"clipboard":       validateChoice,
 	"colorcolumn":     validateNonNegativeValue,
 	"colorscheme":     validateColorscheme,
 	"detectlimit":     validateNonNegativeValue,
 	"encoding":        validateEncoding,
 	"fileformat":      validateChoice,
 	"matchbracestyle": validateChoice,
 	"multiopen":       validateChoice,
 	"reload":          validateChoice,
 	"scrollmargin":    validateNonNegativeValue,
 	"scrollspeed":     validateNonNegativeValue,
 	"tabsize":         validatePositiveValue,
 }
 // a list of settings with pre-defined choices
 var OptionChoices = map[string][]string{
 	"clipboard":       {"internal", "external", "terminal"},
 	"fileformat":      {"unix", "dos"},
 	"matchbracestyle": {"underline", "highlight"},
 	"multiopen":       {"tab", "hsplit", "vsplit"},
 	"reload":          {"prompt", "auto", "disabled"},
 }
 // a list of settings that can be globally and locally modified and their
 // default values
 var defaultCommonSettings = map[string]interface{}{
 	"autoindent":      true,
 	"autosu":          false,
 	"backup":          true,
 	"backupdir":       "",
 	"basename":        false,
 	"colorcolumn":     float64(0),
 	"cursorline":      true,
 	"detectlimit":     float64(100),
 	"diffgutter":      false,
 	"encoding":        "utf-8",
 	"eofnewline":      true,
 	"fastdirty":       false,
 	"fileformat":      defaultFileFormat(),
 	"filetype":        "unknown",
 	"hlsearch":        false,
 	"hltaberrors":     false,
 	"hltrailingws":    false,
 	"incsearch":       true,
 	"ignorecase":      true,
 	"indentchar":      " ",
 	"keepautoindent":  false,
 	"matchbrace":      true,
 	"matchbracestyle": "underline",
 	"mkparents":       false,
 	"permbackup":      false,
 	"readonly":        false,
 	"reload":          "prompt",
 	"rmtrailingws":    false,
 	"ruler":           true,
 	"relativeruler":   false,
 	"savecursor":      false,
 	"saveundo":        false,
 	"scrollbar":       false,
 	"scrollmargin":    float64(3),
 	"scrollspeed":     float64(2),
 	"smartpaste":      true,
 	"softwrap":        false,
 	"splitbottom":     true,
 	"splitright":      true,
 	"statusformatl":   "$(filename) $(modified)($(line),$(col)) $(status.paste)| ft:$(opt:filetype) | $(opt:fileformat) | $(opt:encoding)",
 	"statusformatr":   "$(bind:ToggleKeyMenu): bindings, $(bind:ToggleHelp): help",
 	"statusline":      true,
 	"syntax":          true,
 	"tabmovement":     false,
 	"tabsize":         float64(4),
 	"tabstospaces":    false,
 	"useprimary":      true,
 	"wordwrap":        false,
 }
 // a list of settings that should only be globally modified and their
 // default values
 var DefaultGlobalOnlySettings = map[string]interface{}{
 	"autosave":       float64(0),
 	"clipboard":      "external",
 	"colorscheme":    "default",
 	"divchars":       "|-",
 	"divreverse":     true,
 	"fakecursor":     false,
 	"infobar":        true,
 	"keymenu":        false,
 	"mouse":          true,
 	"multiopen":      "tab",
 	"parsecursor":    false,
 	"paste":          false,
 	"pluginchannels": []string{"https://raw.githubusercontent.com/micro-editor/plugin-channel/master/channel.json"},
 	"pluginrepos":    []string{},
 	"savehistory":    true,
 	"scrollbarchar":  "|",
 	"sucmd":          "sudo",
 	"tabhighlight":   false,
 	"tabreverse":     true,
 	"xterm":          false,
 }
 // a list of settings that should never be globally modified
 var LocalSettings = []string{
 	"filetype",
 	"readonly",
 }
 var (
 	ErrInvalidOption = errors.New("Invalid option")
 	ErrInvalidValue  = errors.New("Invalid value")
@ -144,18 +33,27 @@ var (
 	// ModifiedSettings is a map of settings which should be written to disk
 	// because they have been modified by the user in this session
 	ModifiedSettings map[string]bool
 	// VolatileSettings is a map of settings which should not be written to disk
 	// because they have been temporarily set for this session only
 	VolatileSettings map[string]bool
 )
 func init() {
 	ModifiedSettings = make(map[string]bool)
 	VolatileSettings = make(map[string]bool)
 	parsedSettings = make(map[string]interface{})
 }
 // Options with validators
 var optionValidators = map[string]optionValidator{
 	"autosave":     validateNonNegativeValue,
 	"clipboard":    validateClipboard,
 	"tabsize":      validatePositiveValue,
 	"scrollmargin": validateNonNegativeValue,
 	"scrollspeed":  validateNonNegativeValue,
 	"colorscheme":  validateColorscheme,
 	"colorcolumn":  validateNonNegativeValue,
 	"fileformat":   validateLineEnding,
 	"encoding":     validateEncoding,
 	"multiopen":    validateMultiOpen,
 }
 func ReadSettings() error {
 	filename := filepath.Join(ConfigDir, "settings.json")
 	if _, e := os.Stat(filename); e == nil {
@ -274,8 +172,7 @@ func WriteSettings(filename string) error {
 		for k, v := range parsedSettings {
 			if !strings.HasPrefix(reflect.TypeOf(v).String(), "map") {
 				cur, okcur := GlobalSettings[k]
-				_, vol := VolatileSettings[k]
+				if def, ok := defaults[k]; ok && okcur && reflect.DeepEqual(cur, def) {
 				if def, ok := defaults[k]; ok && okcur && !vol && reflect.DeepEqual(cur, def) {
 					delete(parsedSettings, k)
 				}
 			}
@ -320,7 +217,18 @@ func OverwriteSettings(filename string) error {
 // RegisterCommonOptionPlug creates a new option (called pl.name). This is meant to be called by plugins to add options.
 func RegisterCommonOptionPlug(pl string, name string, defaultvalue interface{}) error {
-	return RegisterCommonOption(pl+"."+name, defaultvalue)
+	name = pl + "." + name
 	if _, ok := GlobalSettings[name]; !ok {
 		defaultCommonSettings[name] = defaultvalue
 		GlobalSettings[name] = defaultvalue
 		err := WriteSettings(filepath.Join(ConfigDir, "settings.json"))
 		if err != nil {
 			return errors.New("Error writing settings.json file: " + err.Error())
 		}
 	} else {
 		defaultCommonSettings[name] = defaultvalue
 	}
 	return nil
 }
 // RegisterGlobalOptionPlug creates a new global-only option (named pl.name)
@ -328,21 +236,18 @@ func RegisterGlobalOptionPlug(pl string, name string, defaultvalue interface{})
 	return RegisterGlobalOption(pl+"."+name, defaultvalue)
 }
 // RegisterCommonOption creates a new option
 func RegisterCommonOption(name string, defaultvalue interface{}) error {
 	if _, ok := GlobalSettings[name]; !ok {
 		GlobalSettings[name] = defaultvalue
 	}
 	defaultCommonSettings[name] = defaultvalue
 	return nil
 }
 // RegisterGlobalOption creates a new global-only option
 func RegisterGlobalOption(name string, defaultvalue interface{}) error {
-	if _, ok := GlobalSettings[name]; !ok {
+	if v, ok := GlobalSettings[name]; !ok {
 		DefaultGlobalOnlySettings[name] = defaultvalue
 		GlobalSettings[name] = defaultvalue
 		err := WriteSettings(filepath.Join(ConfigDir, "settings.json"))
 		if err != nil {
 			return errors.New("Error writing settings.json file: " + err.Error())
 		}
 	} else {
 		DefaultGlobalOnlySettings[name] = v
 	}
 	DefaultGlobalOnlySettings[name] = defaultvalue
 	return nil
 }
@ -351,11 +256,50 @@ func GetGlobalOption(name string) interface{} {
 	return GlobalSettings[name]
 }
-func defaultFileFormat() string {
+var defaultCommonSettings = map[string]interface{}{
-	if runtime.GOOS == "windows" {
+	"autoindent":     true,
-		return "dos"
+	"autosu":         false,
-	}
+	"backup":         true,
-	return "unix"
+	"backupdir":      "",
 	"basename":       false,
 	"colorcolumn":    float64(0),
 	"cursorline":     true,
 	"diffgutter":     false,
 	"encoding":       "utf-8",
 	"eofnewline":     true,
 	"fastdirty":      false,
 	"fileformat":     "unix",
 	"filetype":       "unknown",
 	"hlsearch":       false,
 	"incsearch":      true,
 	"ignorecase":     true,
 	"indentchar":     " ",
 	"keepautoindent": false,
 	"matchbrace":     true,
 	"mkparents":      false,
 	"permbackup":     false,
 	"readonly":       false,
 	"rmtrailingws":   false,
 	"ruler":          true,
 	"relativeruler":  false,
 	"savecursor":     false,
 	"saveundo":       false,
 	"scrollbar":      false,
 	"scrollmargin":   float64(3),
 	"scrollspeed":    float64(2),
 	"smartpaste":     true,
 	"softwrap":       false,
 	"splitbottom":    true,
 	"splitright":     true,
 	"statusformatl":  "$(filename) $(modified)($(line),$(col)) $(status.paste)| ft:$(opt:filetype) | $(opt:fileformat) | $(opt:encoding)",
 	"statusformatr":  "$(bind:ToggleKeyMenu): bindings, $(bind:ToggleHelp): help",
 	"statusline":     true,
 	"syntax":         true,
 	"tabmovement":    false,
 	"tabsize":        float64(4),
 	"tabstospaces":   false,
 	"useprimary":     true,
 	"wordwrap":       false,
 }
 func GetInfoBarOffset() int {
@ -379,6 +323,36 @@ func DefaultCommonSettings() map[string]interface{} {
 	return commonsettings
 }
 // a list of settings that should only be globally modified and their
 // default values
 var DefaultGlobalOnlySettings = map[string]interface{}{
 	"autosave":       float64(0),
 	"clipboard":      "external",
 	"colorscheme":    "default",
 	"divchars":       "|-",
 	"divreverse":     true,
 	"fakecursor":     false,
 	"infobar":        true,
 	"keymenu":        false,
 	"mouse":          true,
 	"multiopen":      "tab",
 	"parsecursor":    false,
 	"paste":          false,
 	"pluginchannels": []string{"https://raw.githubusercontent.com/micro-editor/plugin-channel/master/channel.json"},
 	"pluginrepos":    []string{},
 	"savehistory":    true,
 	"sucmd":          "sudo",
 	"tabhighlight":   false,
 	"tabreverse":     true,
 	"xterm":          false,
 }
 // a list of settings that should never be globally modified
 var LocalSettings = []string{
 	"filetype",
 	"readonly",
 }
 // DefaultGlobalSettings returns the default global settings for micro
 // Note that colorscheme is a global only option
 func DefaultGlobalSettings() map[string]interface{} {
@ -472,26 +446,6 @@ func validateNonNegativeValue(option string, value interface{}) error {
 	return nil
 }
 func validateChoice(option string, value interface{}) error {
 	if choices, ok := OptionChoices[option]; ok {
 		val, ok := value.(string)
 		if !ok {
 			return errors.New("Expected string type for " + option)
 		}
 		for _, v := range choices {
 			if val == v {
 				return nil
 			}
 		}
 		choicesStr := strings.Join(choices, ", ")
 		return errors.New(option + " must be one of: " + choicesStr)
 	}
 	return errors.New("Option has no pre-defined choices")
 }
 func validateColorscheme(option string, value interface{}) error {
 	colorscheme, ok := value.(string)
@ -506,7 +460,53 @@ func validateColorscheme(option string, value interface{}) error {
 	return nil
 }
 func validateClipboard(option string, value interface{}) error {
 	val, ok := value.(string)
 	if !ok {
 		return errors.New("Expected string type for clipboard")
 	}
 	switch val {
 	case "internal", "external", "terminal":
 	default:
 		return errors.New(option + " must be 'internal', 'external', or 'terminal'")
 	}
 	return nil
 }
 func validateLineEnding(option string, value interface{}) error {
 	endingType, ok := value.(string)
 	if !ok {
 		return errors.New("Expected string type for file format")
 	}
 	if endingType != "unix" && endingType != "dos" {
 		return errors.New("File format must be either 'unix' or 'dos'")
 	}
 	return nil
 }
 func validateEncoding(option string, value interface{}) error {
 	_, err := htmlindex.Get(value.(string))
 	return err
 }
 func validateMultiOpen(option string, value interface{}) error {
 	val, ok := value.(string)
 	if !ok {
 		return errors.New("Expected string type for multiopen")
 	}
 	switch val {
 	case "tab", "hsplit", "vsplit":
 	default:
 		return errors.New(option + " must be 'tab', 'hsplit', or 'vsplit'")
 	}
 	return nil
 }
--- a/internal/display/bufwindow.go
+++ b/internal/display/bufwindow.go
@ -2,6 +2,7 @@ package display
 import (
 	"strconv"
 	"unicode"
 	runewidth "github.com/mattn/go-runewidth"
 	"github.com/zyedidia/micro/v2/internal/buffer"
@ -129,11 +130,6 @@ func (w *BufWindow) updateDisplayInfo() {
 		w.bufHeight--
 	}
 	scrollbarWidth := 0
 	if w.Buf.Settings["scrollbar"].(bool) && w.Buf.LinesNum() > w.Height && w.Width > 0 {
 		scrollbarWidth = 1
 	}
 	w.hasMessage = len(b.Messages) > 0
 	// We need to know the string length of the largest line number
@ -151,12 +147,12 @@ func (w *BufWindow) updateDisplayInfo() {
 		w.gutterOffset += w.maxLineNumLength + 1
 	}
 	if w.gutterOffset > w.Width-scrollbarWidth {
 		w.gutterOffset = w.Width - scrollbarWidth
 	}
 	prevBufWidth := w.bufWidth
-	w.bufWidth = w.Width - w.gutterOffset - scrollbarWidth
+
 	w.bufWidth = w.Width - w.gutterOffset
 	if w.Buf.Settings["scrollbar"].(bool) && w.Buf.LinesNum() > w.Height {
 		w.bufWidth--
 	}
 	if w.bufWidth != prevBufWidth && w.Buf.Settings["softwrap"].(bool) {
 		for _, c := range w.Buf.GetCursors() {
@ -282,17 +278,13 @@ func (w *BufWindow) drawGutter(vloc *buffer.Loc, bloc *buffer.Loc) {
 			break
 		}
 	}
-	for i := 0; i < 2 && vloc.X < w.gutterOffset; i++ {
+	screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, char, nil, s)
-		screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, char, nil, s)
+	vloc.X++
-		vloc.X++
+	screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, char, nil, s)
-	}
+	vloc.X++
 }
 func (w *BufWindow) drawDiffGutter(backgroundStyle tcell.Style, softwrapped bool, vloc *buffer.Loc, bloc *buffer.Loc) {
 	if vloc.X >= w.gutterOffset {
 		return
 	}
 	symbol := ' '
 	styleName := ""
@ -328,28 +320,26 @@ func (w *BufWindow) drawLineNum(lineNumStyle tcell.Style, softwrapped bool, vloc
 	} else {
 		lineInt = bloc.Y - cursorLine
 	}
-	lineNum := []rune(strconv.Itoa(util.Abs(lineInt)))
+	lineNum := strconv.Itoa(util.Abs(lineInt))
 	// Write the spaces before the line number if necessary
-	for i := 0; i < w.maxLineNumLength-len(lineNum) && vloc.X < w.gutterOffset; i++ {
+	for i := 0; i < w.maxLineNumLength-len(lineNum); i++ {
 		screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, ' ', nil, lineNumStyle)
 		vloc.X++
 	}
 	// Write the actual line number
-	for i := 0; i < len(lineNum) && vloc.X < w.gutterOffset; i++ {
+	for _, ch := range lineNum {
-		if softwrapped || (w.bufWidth == 0 && w.Buf.Settings["softwrap"] == true) {
+		if softwrapped {
 			screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, ' ', nil, lineNumStyle)
 		} else {
-			screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, lineNum[i], nil, lineNumStyle)
+			screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, ch, nil, lineNumStyle)
 		}
 		vloc.X++
 	}
 	// Write the extra space
-	if vloc.X < w.gutterOffset {
+	screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, ' ', nil, lineNumStyle)
-		screen.SetContent(w.X+vloc.X, w.Y+vloc.Y, ' ', nil, lineNumStyle)
+	vloc.X++
 		vloc.X++
 	}
 }
 // getStyle returns the highlight style for the given character position
@ -384,7 +374,18 @@ func (w *BufWindow) displayBuffer() {
 	if b.ModifiedThisFrame {
 		if b.Settings["diffgutter"].(bool) {
-			b.UpdateDiff()
+			b.UpdateDiff(func(synchronous bool) {
 				// If the diff was updated asynchronously, the outer call to
 				// displayBuffer might already be completed and we need to
 				// schedule a redraw in order to display the new diff.
 				// Note that this cannot lead to an infinite recursion
 				// because the modifications were cleared above so there won't
 				// be another call to UpdateDiff when displayBuffer is called
 				// during the redraw.
 				if !synchronous {
 					screen.Redraw()
 				}
 			})
 		}
 		b.ModifiedThisFrame = false
 	}
@ -392,20 +393,26 @@ func (w *BufWindow) displayBuffer() {
 	var matchingBraces []buffer.Loc
 	// bracePairs is defined in buffer.go
 	if b.Settings["matchbrace"].(bool) {
-		for _, c := range b.GetCursors() {
+		for _, bp := range buffer.BracePairs {
-			if c.HasSelection() {
+			for _, c := range b.GetCursors() {
-				continue
+				if c.HasSelection() {
-			}
+					continue
 				}
 				curX := c.X
 				curLoc := c.Loc
-			mb, left, found := b.FindMatchingBrace(c.Loc)
+				r := c.RuneUnder(curX)
-			if found {
+				rl := c.RuneUnder(curX - 1)
-				matchingBraces = append(matchingBraces, mb)
+				if r == bp[0] || r == bp[1] || rl == bp[0] || rl == bp[1] {
-				if !left {
+					mb, left, found := b.FindMatchingBrace(bp, curLoc)
-					if b.Settings["matchbracestyle"].(string) != "highlight" {
+					if found {
-						matchingBraces = append(matchingBraces, c.Loc)
+						matchingBraces = append(matchingBraces, mb)
 						if !left {
 							matchingBraces = append(matchingBraces, curLoc)
 						} else {
 							matchingBraces = append(matchingBraces, curLoc.Move(-1, b))
 						}
 					}
 				} else {
 					matchingBraces = append(matchingBraces, c.Loc.Move(-1, b))
 				}
 			}
 		}
@ -476,12 +483,6 @@ func (w *BufWindow) displayBuffer() {
 			vloc.X = w.gutterOffset
 		}
 		bline := b.LineBytes(bloc.Y)
 		blineLen := util.CharacterCount(bline)
 		leadingwsEnd := len(util.GetLeadingWhitespace(bline))
 		trailingwsStart := blineLen - util.CharacterCount(util.GetTrailingWhitespace(bline))
 		line, nColsBeforeStart, bslice, startStyle := w.getStartInfo(w.StartCol, bloc.Y)
 		if startStyle != nil {
 			curStyle = *startStyle
@ -505,37 +506,6 @@ func (w *BufWindow) displayBuffer() {
 					// over cursor-line and color-column
 					dontOverrideBackground := origBg != defBg
 					if b.Settings["hltaberrors"].(bool) {
 						if s, ok := config.Colorscheme["tab-error"]; ok {
 							isTab := (r == '\t') || (r == ' ' && !showcursor)
 							if (b.Settings["tabstospaces"].(bool) && isTab) ||
 								(!b.Settings["tabstospaces"].(bool) && bloc.X < leadingwsEnd && r == ' ' && !isTab) {
 								fg, _, _ := s.Decompose()
 								style = style.Background(fg)
 								dontOverrideBackground = true
 							}
 						}
 					}
 					if b.Settings["hltrailingws"].(bool) {
 						if s, ok := config.Colorscheme["trailingws"]; ok {
 							if bloc.X >= trailingwsStart && bloc.X < blineLen {
 								hl := true
 								for _, c := range cursors {
 									if c.NewTrailingWsY == bloc.Y {
 										hl = false
 										break
 									}
 								}
 								if hl {
 									fg, _, _ := s.Decompose()
 									style = style.Background(fg)
 									dontOverrideBackground = true
 								}
 							}
 						}
 					}
 					for _, c := range cursors {
 						if c.HasSelection() &&
 							(bloc.GreaterEqual(c.CurSelection[0]) && bloc.LessThan(c.CurSelection[1]) ||
@ -588,15 +558,7 @@ func (w *BufWindow) displayBuffer() {
 					for _, mb := range matchingBraces {
 						if mb.X == bloc.X && mb.Y == bloc.Y {
-							if b.Settings["matchbracestyle"].(string) == "highlight" {
+							style = style.Underline(true)
 								if s, ok := config.Colorscheme["match-brace"]; ok {
 									style = s
 								} else {
 									style = style.Reverse(true)
 								}
 							} else {
 								style = style.Underline(true)
 							}
 						}
 					}
 				}
@ -648,7 +610,7 @@ func (w *BufWindow) displayBuffer() {
 		wordwidth := 0
 		totalwidth := w.StartCol - nColsBeforeStart
-		for len(line) > 0 && vloc.X < maxWidth {
+		for len(line) > 0 {
 			r, combc, size := util.DecodeCharacter(line)
 			line = line[size:]
@ -663,8 +625,12 @@ func (w *BufWindow) displayBuffer() {
 				width = util.Min(ts, maxWidth-vloc.X)
 				totalwidth += ts
 			default:
-				width = runewidth.RuneWidth(r)
+				if unicode.IsUpper(r) {
-				totalwidth += width
+					width = 2
 				} else {
 					width = runewidth.RuneWidth(r)
 					totalwidth += width
 				}
 			}
 			word = append(word, glyph{r, combc, curStyle, width})
@ -697,17 +663,22 @@ func (w *BufWindow) displayBuffer() {
 			}
 			for _, r := range word {
-				draw(r.r, r.combc, r.style, true, true)
+				if unicode.IsUpper(r.r) {
 					draw('~', nil, r.style, true, true)
 					draw(r.r, r.combc, r.style, true, false)
 				} else {
 					draw(r.r, r.combc, r.style, true, true)
-				// Draw any extra characters either spaces for tabs or @ for incomplete wide runes
+					// Draw any extra characters either spaces for tabs or @ for incomplete wide runes
-				if r.width > 1 {
+					if r.width > 1 {
-					char := ' '
+						char := ' '
-					if r.r != '\t' {
+						if r.r != '\t' {
-						char = '@'
+							char = '@'
-					}
+						}
-					for i := 1; i < r.width; i++ {
+						for i := 1; i < r.width; i++ {
-						draw(char, nil, r.style, true, false)
+							draw(char, nil, r.style, true, false)
 						}
 					}
 				}
 				bloc.X++
@ -806,14 +777,8 @@ func (w *BufWindow) displayScrollBar() {
 			scrollBarStyle = style
 		}
 		scrollBarChar := config.GetGlobalOption("scrollbarchar").(string)
 		if util.CharacterCountInString(scrollBarChar) != 1 {
 			scrollBarChar = "|"
 		}
 		scrollBarRune := []rune(scrollBarChar)
 		for y := barstart; y < util.Min(barstart+barsize, w.Y+w.bufHeight); y++ {
-			screen.SetContent(scrollX, y, scrollBarRune[0], nil, scrollBarStyle)
+			screen.SetContent(scrollX, y, '|', nil, scrollBarStyle)
 		}
 	}
 }
--- a/internal/display/infowindow.go
+++ b/internal/display/infowindow.go
@ -260,9 +260,7 @@ func (i *InfoWindow) Display() {
 		done := false
 		statusLineStyle := config.DefStyle.Reverse(true)
-		if style, ok := config.Colorscheme["statusline.suggestions"]; ok {
+		if style, ok := config.Colorscheme["statusline"]; ok {
 			statusLineStyle = style
 		} else if style, ok := config.Colorscheme["statusline"]; ok {
 			statusLineStyle = style
 		}
 		keymenuOffset := 0
--- a/internal/display/statusline.go
+++ b/internal/display/statusline.go
@ -66,7 +66,7 @@ func SetStatusInfoFnLua(fn string) {
 		return
 	}
 	statusInfo[fn] = func(b *buffer.Buffer) string {
-		if pl == nil || !pl.IsLoaded() {
+		if pl == nil || !pl.IsEnabled() {
 			return ""
 		}
 		val, err := pl.Call(plFn, luar.New(ulua.L, b))
@ -110,9 +110,7 @@ func (s *StatusLine) Display() {
 	// autocomplete suggestions (for the buffer, not for the infowindow)
 	if b.HasSuggestions && len(b.Suggestions) > 1 {
 		statusLineStyle := config.DefStyle.Reverse(true)
-		if style, ok := config.Colorscheme["statusline.suggestions"]; ok {
+		if style, ok := config.Colorscheme["statusline"]; ok {
 			statusLineStyle = style
 		} else if style, ok := config.Colorscheme["statusline"]; ok {
 			statusLineStyle = style
 		}
 		x := 0
@ -169,16 +167,8 @@ func (s *StatusLine) Display() {
 	rightText = formatParser.ReplaceAllFunc(rightText, formatter)
 	statusLineStyle := config.DefStyle.Reverse(true)
-	if s.win.IsActive() {
+	if style, ok := config.Colorscheme["statusline"]; ok {
-		if style, ok := config.Colorscheme["statusline"]; ok {
+		statusLineStyle = style
 			statusLineStyle = style
 		}
 	} else {
 		if style, ok := config.Colorscheme["statusline.inactive"]; ok {
 			statusLineStyle = style
 		} else if style, ok := config.Colorscheme["statusline"]; ok {
 			statusLineStyle = style
 		}
 	}
 	leftLen := util.StringWidth(leftText, util.CharacterCount(leftText), 1)
--- a/internal/display/termwindow.go
+++ b/internal/display/termwindow.go
@ -110,8 +110,6 @@ func (w *TermWindow) Display() {
 	}
 	if w.State.CursorVisible() && w.active {
 		curx, cury := w.State.Cursor()
-		if curx < w.Width && cury < w.Height {
+		screen.ShowCursor(curx+w.X, cury+w.Y)
 			screen.ShowCursor(curx+w.X, cury+w.Y)
 		}
 	}
 }
--- a/internal/info/history.go
+++ b/internal/info/history.go
@ -4,10 +4,8 @@ import (
 	"encoding/gob"
 	"os"
 	"path/filepath"
 	"strings"
 	"github.com/zyedidia/micro/v2/internal/config"
 	"github.com/zyedidia/micro/v2/internal/util"
 )
 // LoadHistory attempts to load user history from configDir/buffers/history
@ -104,51 +102,3 @@ func (i *InfoBuf) DownHistory(history []string) {
 		i.Buffer.GetActiveCursor().GotoLoc(i.End())
 	}
 }
 // SearchUpHistory fetches the previous item in the history
 // beginning with the text in the infobuffer before cursor
 func (i *InfoBuf) SearchUpHistory(history []string) {
 	if i.HistoryNum > 0 && i.HasPrompt && !i.HasYN {
 		i.searchHistory(history, false)
 	}
 }
 // SearchDownHistory fetches the next item in the history
 // beginning with the text in the infobuffer before cursor
 func (i *InfoBuf) SearchDownHistory(history []string) {
 	if i.HistoryNum < len(history)-1 && i.HasPrompt && !i.HasYN {
 		i.searchHistory(history, true)
 	}
 }
 func (i *InfoBuf) searchHistory(history []string, down bool) {
 	line := string(i.LineBytes(0))
 	c := i.Buffer.GetActiveCursor()
 	if !i.HistorySearch || !strings.HasPrefix(line, i.HistorySearchPrefix) {
 		i.HistorySearch = true
 		i.HistorySearchPrefix = util.SliceStartStr(line, c.X)
 	}
 	found := -1
 	if down {
 		for j := i.HistoryNum + 1; j < len(history); j++ {
 			if strings.HasPrefix(history[j], i.HistorySearchPrefix) {
 				found = j
 				break
 			}
 		}
 	} else {
 		for j := i.HistoryNum - 1; j >= 0; j-- {
 			if strings.HasPrefix(history[j], i.HistorySearchPrefix) {
 				found = j
 				break
 			}
 		}
 	}
 	if found != -1 {
 		i.HistoryNum = found
 		i.Replace(i.Start(), i.End(), history[found])
 		c.GotoLoc(i.End())
 	}
 }
--- a/internal/info/infobuffer.go
+++ b/internal/info/infobuffer.go
@ -7,7 +7,7 @@ import (
 )
 // The InfoBuf displays messages and other info at the bottom of the screen.
-// It is represented as a buffer and a message with a style.
+// It is respresented as a buffer and a message with a style.
 type InfoBuf struct {
 	*buffer.Buffer
@ -25,10 +25,6 @@ type InfoBuf struct {
 	// It's a map of history type -> history array
 	History    map[string][]string
 	HistoryNum int
 	// HistorySearch indicates whether we are searching for history items
 	// beginning with HistorySearchPrefix
 	HistorySearch       bool
 	HistorySearchPrefix string
 	// Is the current message a message from the gutter
 	HasGutter bool
@ -106,7 +102,6 @@ func (i *InfoBuf) Prompt(prompt string, msg string, ptype string, eventcb func(s
 		i.History[ptype] = append(i.History[ptype], "")
 	}
 	i.HistoryNum = len(i.History[ptype]) - 1
 	i.HistorySearch = false
 	i.PromptType = ptype
 	i.Msg = prompt
@ -143,12 +138,13 @@ func (i *InfoBuf) DonePrompt(canceled bool) {
 		if i.PromptCallback != nil {
 			if canceled {
 				i.Replace(i.Start(), i.End(), "")
 				i.PromptCallback("", true)
 				h := i.History[i.PromptType]
 				i.History[i.PromptType] = h[:len(h)-1]
 				i.PromptCallback("", true)
 			} else {
 				resp := string(i.LineBytes(0))
 				i.Replace(i.Start(), i.End(), "")
 				i.PromptCallback(resp, false)
 				h := i.History[i.PromptType]
 				h[len(h)-1] = resp
@ -159,8 +155,6 @@ func (i *InfoBuf) DonePrompt(canceled bool) {
 						break
 					}
 				}
 				i.PromptCallback(resp, false)
 			}
 			// i.PromptCallback = nil
 		}
--- a/internal/lua/lua.go
+++ b/internal/lua/lua.go
@ -17,6 +17,7 @@ import (
 	"regexp"
 	"runtime"
 	"strings"
 	"sync"
 	"time"
 	"unicode/utf8"
@ -26,6 +27,7 @@ import (
 )
 var L *lua.LState
 var Lock sync.Mutex
 // LoadFile loads a lua file
 func LoadFile(module string, file string, data []byte) error {
@ -374,9 +376,9 @@ func importOs() *lua.LTable {
 	L.SetField(pkg, "Remove", luar.New(L, os.Remove))
 	L.SetField(pkg, "RemoveAll", luar.New(L, os.RemoveAll))
 	L.SetField(pkg, "Rename", luar.New(L, os.Rename))
-	L.SetField(pkg, "SEEK_CUR", luar.New(L, io.SeekCurrent))
+	L.SetField(pkg, "SEEK_CUR", luar.New(L, os.SEEK_CUR))
-	L.SetField(pkg, "SEEK_END", luar.New(L, io.SeekEnd))
+	L.SetField(pkg, "SEEK_END", luar.New(L, os.SEEK_END))
-	L.SetField(pkg, "SEEK_SET", luar.New(L, io.SeekStart))
+	L.SetField(pkg, "SEEK_SET", luar.New(L, os.SEEK_SET))
 	L.SetField(pkg, "SameFile", luar.New(L, os.SameFile))
 	L.SetField(pkg, "Setenv", luar.New(L, os.Setenv))
 	L.SetField(pkg, "StartProcess", luar.New(L, os.StartProcess))
@ -521,16 +523,21 @@ func importErrors() *lua.LTable {
 func importTime() *lua.LTable {
 	pkg := L.NewTable()
 	L.SetField(pkg, "After", luar.New(L, time.After))
 	L.SetField(pkg, "Sleep", luar.New(L, time.Sleep))
 	L.SetField(pkg, "Tick", luar.New(L, time.Tick))
 	L.SetField(pkg, "Since", luar.New(L, time.Since))
 	L.SetField(pkg, "FixedZone", luar.New(L, time.FixedZone))
 	L.SetField(pkg, "LoadLocation", luar.New(L, time.LoadLocation))
 	L.SetField(pkg, "NewTicker", luar.New(L, time.NewTicker))
 	L.SetField(pkg, "Date", luar.New(L, time.Date))
 	L.SetField(pkg, "Now", luar.New(L, time.Now))
 	L.SetField(pkg, "Parse", luar.New(L, time.Parse))
 	L.SetField(pkg, "ParseDuration", luar.New(L, time.ParseDuration))
 	L.SetField(pkg, "ParseInLocation", luar.New(L, time.ParseInLocation))
 	L.SetField(pkg, "Unix", luar.New(L, time.Unix))
 	L.SetField(pkg, "AfterFunc", luar.New(L, time.AfterFunc))
 	L.SetField(pkg, "NewTimer", luar.New(L, time.NewTimer))
 	L.SetField(pkg, "Nanosecond", luar.New(L, time.Nanosecond))
 	L.SetField(pkg, "Microsecond", luar.New(L, time.Microsecond))
 	L.SetField(pkg, "Millisecond", luar.New(L, time.Millisecond))
@ -538,15 +545,6 @@ func importTime() *lua.LTable {
 	L.SetField(pkg, "Minute", luar.New(L, time.Minute))
 	L.SetField(pkg, "Hour", luar.New(L, time.Hour))
 	// TODO: these raw Go timer APIs don't provide any synchronization
 	// with micro. Stop exposing them to lua once plugins switch to using
 	// the safer micro.After() interface instead. See issue #3209
 	L.SetField(pkg, "After", luar.New(L, time.After))
 	L.SetField(pkg, "AfterFunc", luar.New(L, time.AfterFunc))
 	L.SetField(pkg, "NewTicker", luar.New(L, time.NewTicker))
 	L.SetField(pkg, "NewTimer", luar.New(L, time.NewTimer))
 	L.SetField(pkg, "Tick", luar.New(L, time.Tick))
 	return pkg
 }
--- a/internal/screen/screen.go
+++ b/internal/screen/screen.go
@ -22,10 +22,6 @@ var Screen tcell.Screen
 // Events is the channel of tcell events
 var Events chan (tcell.Event)
 // RestartCallback is called when the screen is restarted after it was
 // temporarily shut down
 var RestartCallback func()
 // The lock is necessary since the screen is polled on a separate thread
 var lock sync.Mutex
@ -138,10 +134,6 @@ func TempStart(screenWasNil bool) {
 	if !screenWasNil {
 		Init()
 		Unlock()
 		if RestartCallback != nil {
 			RestartCallback()
 		}
 	}
 }
--- a/internal/shell/shell.go
+++ b/internal/shell/shell.go
@ -8,6 +8,7 @@ import (
 	"os"
 	"os/exec"
 	"os/signal"
 	"strings"
 	shellquote "github.com/kballard/go-shellquote"
 	"github.com/zyedidia/micro/v2/internal/screen"
@ -58,10 +59,15 @@ func RunBackgroundShell(input string) (func() string, error) {
 	inputCmd := args[0]
 	return func() string {
 		output, err := RunCommand(input)
 		totalLines := strings.Split(output, "\n")
 		str := output
-		if err != nil {
+		if len(totalLines) < 3 {
-			str = fmt.Sprint(inputCmd, " exited with error: ", err, ": ", output)
+			if err == nil {
 				str = fmt.Sprint(inputCmd, " exited without error")
 			} else {
 				str = fmt.Sprint(inputCmd, " exited with error: ", err, ": ", output)
 			}
 		}
 		return str
 	}, nil
--- a/internal/shell/terminal.go
+++ b/internal/shell/terminal.go
@ -78,9 +78,8 @@ func (t *Terminal) Start(execCmd []string, getOutput bool, wait bool, callback f
 	t.output = nil
 	if getOutput {
 		t.output = bytes.NewBuffer([]byte{})
 		cmd.Stdout = t.output
 	}
-	Term, _, err := terminal.Start(&t.State, cmd)
+	Term, _, err := terminal.Start(&t.State, cmd, t.output)
 	if err != nil {
 		return err
 	}
--- a/internal/util/util.go
+++ b/internal/util/util.go
@ -16,7 +16,6 @@ import (
 	"strings"
 	"time"
 	"unicode"
 	"unicode/utf8"
 	"github.com/blang/semver"
 	runewidth "github.com/mattn/go-runewidth"
@ -218,68 +217,10 @@ func FSize(f *os.File) int64 {
 	return fi.Size()
 }
-// IsWordChar returns whether or not a rune is a 'word character'
+// IsWordChar returns whether or not the string is a 'word character'
-// Word characters are defined as numbers, letters or sub-word delimiters
+// Word characters are defined as numbers, letters, or '_'
 func IsWordChar(r rune) bool {
-	return IsAlphanumeric(r) || IsSubwordDelimiter(r)
+	return unicode.IsLetter(r) || unicode.IsNumber(r) || r == '_'
 }
 // IsNonWordChar returns whether or not a rune is not a 'word character'
 // Non word characters are defined as all characters not being numbers, letters or sub-word delimiters
 // See IsWordChar()
 func IsNonWordChar(r rune) bool {
 	return !IsWordChar(r)
 }
 // IsUpperWordChar returns whether or not a rune is an 'upper word character'
 // Upper word characters are defined as numbers, upper-case letters or sub-word delimiters
 func IsUpperWordChar(r rune) bool {
 	return IsUpperAlphanumeric(r) || IsSubwordDelimiter(r)
 }
 // IsLowerWordChar returns whether or not a rune is a 'lower word character'
 // Lower word characters are defined as numbers, lower-case letters or sub-word delimiters
 func IsLowerWordChar(r rune) bool {
 	return IsLowerAlphanumeric(r) || IsSubwordDelimiter(r)
 }
 // IsSubwordDelimiter returns whether or not a rune is a 'sub-word delimiter character'
 // i.e. is considered a part of the word and is used as a delimiter between sub-words of the word.
 // For now the only sub-word delimiter character is '_'.
 func IsSubwordDelimiter(r rune) bool {
 	return r == '_'
 }
 // IsAlphanumeric returns whether or not a rune is an 'alphanumeric character'
 // Alphanumeric characters are defined as numbers or letters
 func IsAlphanumeric(r rune) bool {
 	return unicode.IsLetter(r) || unicode.IsNumber(r)
 }
 // IsUpperAlphanumeric returns whether or not a rune is an 'upper alphanumeric character'
 // Upper alphanumeric characters are defined as numbers or upper-case letters
 func IsUpperAlphanumeric(r rune) bool {
 	return IsUpperLetter(r) || unicode.IsNumber(r)
 }
 // IsLowerAlphanumeric returns whether or not a rune is a 'lower alphanumeric character'
 // Lower alphanumeric characters are defined as numbers or lower-case letters
 func IsLowerAlphanumeric(r rune) bool {
 	return IsLowerLetter(r) || unicode.IsNumber(r)
 }
 // IsUpperLetter returns whether or not a rune is an 'upper letter character'
 // Upper letter characters are defined as upper-case letters
 func IsUpperLetter(r rune) bool {
 	// unicode.IsUpper() returns true for letters only
 	return unicode.IsUpper(r)
 }
 // IsLowerLetter returns whether or not a rune is a 'lower letter character'
 // Lower letter characters are defined as lower-case letters
 func IsLowerLetter(r rune) bool {
 	// unicode.IsLower() returns true for letters only
 	return unicode.IsLower(r)
 }
 // Spaces returns a string with n spaces
@ -374,7 +315,7 @@ func ReplaceHome(path string) (string, error) {
 // This is used for opening files like util.go:10:5 to specify a line and column
 // Special cases like Windows Absolute path (C:\myfile.txt:10:5) are handled correctly.
 func GetPathAndCursorPosition(path string) (string, []string) {
-	re := regexp.MustCompile(`([\s\S]+?)(?::(\d+))(?::(\d+))?$`)
+	re := regexp.MustCompile(`([\s\S]+?)(?::(\d+))(?::(\d+))?`)
 	match := re.FindStringSubmatch(path)
 	// no lines/columns were specified in the path, return just the path with no cursor location
 	if len(match) == 0 {
@ -422,28 +363,6 @@ func GetLeadingWhitespace(b []byte) []byte {
 	return ws
 }
 // GetTrailingWhitespace returns the trailing whitespace of the given byte array
 func GetTrailingWhitespace(b []byte) []byte {
 	ws := []byte{}
 	for len(b) > 0 {
 		r, size := utf8.DecodeLastRune(b)
 		if IsWhitespace(r) {
 			ws = append([]byte(string(r)), ws...)
 		} else {
 			break
 		}
 		b = b[:len(b)-size]
 	}
 	return ws
 }
 // HasTrailingWhitespace returns true if the given byte array ends with a whitespace
 func HasTrailingWhitespace(b []byte) bool {
 	r, _ := utf8.DecodeLastRune(b)
 	return IsWhitespace(r)
 }
 // IntOpt turns a float64 setting to an int
 func IntOpt(opt interface{}) int {
 	return int(opt.(float64))
@ -503,9 +422,14 @@ func Clamp(val, min, max int) int {
 	return val
 }
 // IsNonAlphaNumeric returns if the rune is not a number of letter or underscore.
 func IsNonAlphaNumeric(c rune) bool {
 	return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c != '_'
 }
 // IsAutocomplete returns whether a character should begin an autocompletion.
 func IsAutocomplete(c rune) bool {
-	return c == '.' || IsWordChar(c)
+	return c == '.' || !IsNonAlphaNumeric(c)
 }
 // ParseSpecial replaces escaped ts with '\t'.
--- a/internal/views/splits.go
+++ b/internal/views/splits.go
@ -185,10 +185,6 @@ func (n *Node) hResizeSplit(i int, size int) bool {
 // ResizeSplit resizes a certain split to a given size
 func (n *Node) ResizeSplit(size int) bool {
 	// TODO: `size < 0` does not work for some reason
 	if size <= 0 {
 		return false
 	}
 	if len(n.parent.children) <= 1 {
 		// cannot resize a lone node
 		return false
@ -205,7 +201,7 @@ func (n *Node) ResizeSplit(size int) bool {
 	return n.parent.hResizeSplit(ind, size)
 }
-// Resize sets this node's size and resizes all children accordingly
+// Resize sets this node's size and resizes all children accordlingly
 func (n *Node) Resize(w, h int) {
 	n.W, n.H = w, h
--- a/pkg/highlight/ftdetect.go
+++ b/pkg/highlight/ftdetect.go
@ -0,0 +1,18 @@
 package highlight
 import "regexp"
 // MatchFiletype will use the list of syntax definitions provided and the filename and first line of the file
 // to determine the filetype of the file
 // It will return the corresponding syntax definition for the filetype
 func MatchFiletype(ftdetect [2]*regexp.Regexp, filename string, firstLine []byte) bool {
 	if ftdetect[0] != nil && ftdetect[0].MatchString(filename) {
 		return true
 	}
 	if ftdetect[1] != nil {
 		return ftdetect[1].Match(firstLine)
 	}
 	return false
 }
--- a/pkg/highlight/highlighter.go
+++ b/pkg/highlight/highlighter.go
@ -67,6 +67,9 @@ func combineLineMatch(src, dst LineMatch) LineMatch {
 // A State represents the region at the end of a line
 type State *region
 // EmptyDef is an empty definition.
 var EmptyDef = Def{nil, &rules{}}
 // LineStates is an interface for a buffer-like object which can also store the states and matches for every line
 type LineStates interface {
 	LineBytes(n int) []byte
@ -74,8 +77,6 @@ type LineStates interface {
 	State(lineN int) State
 	SetState(lineN int, s State)
 	SetMatch(lineN int, m LineMatch)
 	Lock()
 	Unlock()
 }
 // A Highlighter contains the information needed to highlight a string
@ -95,7 +96,19 @@ func NewHighlighter(def *Def) *Highlighter {
 // color's group (represented as one byte)
 type LineMatch map[int]Group
-func findIndex(regex *regexp.Regexp, skip *regexp.Regexp, str []byte) []int {
+func findIndex(regex *regexp.Regexp, skip *regexp.Regexp, str []byte, canMatchStart, canMatchEnd bool) []int {
 	regexStr := regex.String()
 	if strings.Contains(regexStr, "^") {
 		if !canMatchStart {
 			return nil
 		}
 	}
 	if strings.Contains(regexStr, "$") {
 		if !canMatchEnd {
 			return nil
 		}
 	}
 	var strbytes []byte
 	if skip != nil {
 		strbytes = skip.ReplaceAllFunc(str, func(match []byte) []byte {
@ -114,7 +127,18 @@ func findIndex(regex *regexp.Regexp, skip *regexp.Regexp, str []byte) []int {
 	return []int{runePos(match[0], str), runePos(match[1], str)}
 }
-func findAllIndex(regex *regexp.Regexp, str []byte) [][]int {
+func findAllIndex(regex *regexp.Regexp, str []byte, canMatchStart, canMatchEnd bool) [][]int {
 	regexStr := regex.String()
 	if strings.Contains(regexStr, "^") {
 		if !canMatchStart {
 			return nil
 		}
 	}
 	if strings.Contains(regexStr, "$") {
 		if !canMatchEnd {
 			return nil
 		}
 	}
 	matches := regex.FindAllIndex(str, -1)
 	for i, m := range matches {
 		matches[i][0] = runePos(m[0], str)
@ -133,33 +157,52 @@ func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchE
 		}
 	}
-	var firstRegion *region
+	loc := findIndex(curRegion.end, curRegion.skip, line, start == 0, canMatchEnd)
-	firstLoc := []int{lineLen, 0}
+	if loc != nil {
-	searchNesting := true
+		if !statesOnly {
-	endLoc := findIndex(curRegion.end, curRegion.skip, line)
+			highlights[start+loc[0]] = curRegion.limitGroup
 	if endLoc != nil {
 		if start == endLoc[0] {
 			searchNesting = false
 		} else {
 			firstLoc = endLoc
 		}
 		if curRegion.parent == nil {
 			if !statesOnly {
 				highlights[start+loc[1]] = 0
 				h.highlightRegion(highlights, start, false, lineNum, sliceEnd(line, loc[0]), curRegion, statesOnly)
 			}
 			h.highlightEmptyRegion(highlights, start+loc[1], canMatchEnd, lineNum, sliceStart(line, loc[1]), statesOnly)
 			return highlights
 		}
 		if !statesOnly {
 			highlights[start+loc[1]] = curRegion.parent.group
 			h.highlightRegion(highlights, start, false, lineNum, sliceEnd(line, loc[0]), curRegion, statesOnly)
 		}
 		h.highlightRegion(highlights, start+loc[1], canMatchEnd, lineNum, sliceStart(line, loc[1]), curRegion.parent, statesOnly)
 		return highlights
 	}
-	if searchNesting {
+
-		for _, r := range curRegion.rules.regions {
+	if lineLen == 0 {
-			loc := findIndex(r.start, r.skip, line)
+		if canMatchEnd {
-			if loc != nil {
+			h.lastRegion = curRegion
-				if loc[0] < firstLoc[0] {
+		}
-					firstLoc = loc
+
-					firstRegion = r
+		return highlights
-				}
+	}
 	firstLoc := []int{lineLen, 0}
 	var firstRegion *region
 	for _, r := range curRegion.rules.regions {
 		loc := findIndex(r.start, nil, line, start == 0, canMatchEnd)
 		if loc != nil {
 			if loc[0] < firstLoc[0] {
 				firstLoc = loc
 				firstRegion = r
 			}
 		}
 	}
-	if firstRegion != nil && firstLoc[0] != lineLen {
+	if firstLoc[0] != lineLen {
 		if !statesOnly {
 			highlights[start+firstLoc[0]] = firstRegion.limitGroup
 		}
-		h.highlightEmptyRegion(highlights, start+firstLoc[1], canMatchEnd, lineNum, sliceStart(line, firstLoc[1]), statesOnly)
+		h.highlightRegion(highlights, start, false, lineNum, sliceEnd(line, firstLoc[0]), curRegion, statesOnly)
 		h.highlightRegion(highlights, start+firstLoc[1], canMatchEnd, lineNum, sliceStart(line, firstLoc[1]), firstRegion, statesOnly)
 		return highlights
 	}
@ -170,17 +213,11 @@ func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchE
 			fullHighlights[i] = curRegion.group
 		}
-		if searchNesting {
+		for _, p := range curRegion.rules.patterns {
-			for _, p := range curRegion.rules.patterns {
+			matches := findAllIndex(p.regex, line, start == 0, canMatchEnd)
-				if curRegion.group == curRegion.limitGroup || p.group == curRegion.limitGroup {
+			for _, m := range matches {
-					matches := findAllIndex(p.regex, line)
+				for i := m[0]; i < m[1]; i++ {
-					for _, m := range matches {
+					fullHighlights[i] = p.group
 						if ((endLoc == nil) || (m[0] < endLoc[0])) {
 							for i := m[0]; i < m[1]; i++ {
 								fullHighlights[i] = p.group
 							}
 						}
 					}
 				}
 			}
 		}
@ -191,25 +228,6 @@ func (h *Highlighter) highlightRegion(highlights LineMatch, start int, canMatchE
 		}
 	}
 	loc := endLoc
 	if loc != nil {
 		if !statesOnly {
 			highlights[start+loc[0]] = curRegion.limitGroup
 		}
 		if curRegion.parent == nil {
 			if !statesOnly {
 				highlights[start+loc[1]] = 0
 			}
 			h.highlightEmptyRegion(highlights, start+loc[1], canMatchEnd, lineNum, sliceStart(line, loc[1]), statesOnly)
 			return highlights
 		}
 		if !statesOnly {
 			highlights[start+loc[1]] = curRegion.parent.group
 		}
 		h.highlightRegion(highlights, start+loc[1], canMatchEnd, lineNum, sliceStart(line, loc[1]), curRegion.parent, statesOnly)
 		return highlights
 	}
 	if canMatchEnd {
 		h.lastRegion = curRegion
 	}
@ -226,10 +244,10 @@ func (h *Highlighter) highlightEmptyRegion(highlights LineMatch, start int, canM
 		return highlights
 	}
 	var firstRegion *region
 	firstLoc := []int{lineLen, 0}
 	var firstRegion *region
 	for _, r := range h.Def.rules.regions {
-		loc := findIndex(r.start, r.skip, line)
+		loc := findIndex(r.start, nil, line, start == 0, canMatchEnd)
 		if loc != nil {
 			if loc[0] < firstLoc[0] {
 				firstLoc = loc
@ -237,7 +255,7 @@ func (h *Highlighter) highlightEmptyRegion(highlights LineMatch, start int, canM
 			}
 		}
 	}
-	if firstRegion != nil && firstLoc[0] != lineLen {
+	if firstLoc[0] != lineLen {
 		if !statesOnly {
 			highlights[start+firstLoc[0]] = firstRegion.limitGroup
 		}
@ -256,7 +274,7 @@ func (h *Highlighter) highlightEmptyRegion(highlights LineMatch, start int, canM
 	fullHighlights := make([]Group, len(line))
 	for _, p := range h.Def.rules.patterns {
-		matches := findAllIndex(p.regex, line)
+		matches := findAllIndex(p.regex, line, start == 0, canMatchEnd)
 		for _, m := range matches {
 			for i := m[0]; i < m[1]; i++ {
 				fullHighlights[i] = p.group
@ -302,13 +320,7 @@ func (h *Highlighter) HighlightString(input string) []LineMatch {
 // HighlightStates correctly sets all states for the buffer
 func (h *Highlighter) HighlightStates(input LineStates) {
-	for i := 0; ; i++ {
+	for i := 0; i < input.LinesNum(); i++ {
 		input.Lock()
 		if i >= input.LinesNum() {
 			input.Unlock()
 			break
 		}
 		line := input.LineBytes(i)
 		// highlights := make(LineMatch)
@ -321,7 +333,6 @@ func (h *Highlighter) HighlightStates(input LineStates) {
 		curState := h.lastRegion
 		input.SetState(i, curState)
 		input.Unlock()
 	}
 }
@ -330,9 +341,7 @@ func (h *Highlighter) HighlightStates(input LineStates) {
 // This assumes that all the states are set correctly
 func (h *Highlighter) HighlightMatches(input LineStates, startline, endline int) {
 	for i := startline; i <= endline; i++ {
 		input.Lock()
 		if i >= input.LinesNum() {
 			input.Unlock()
 			break
 		}
@ -347,7 +356,6 @@ func (h *Highlighter) HighlightMatches(input LineStates, startline, endline int)
 		}
 		input.SetMatch(i, match)
 		input.Unlock()
 	}
 }
@ -359,19 +367,9 @@ func (h *Highlighter) ReHighlightStates(input LineStates, startline int) int {
 	h.lastRegion = nil
 	if startline > 0 {
-		input.Lock()
+		h.lastRegion = input.State(startline - 1)
 		if startline-1 < input.LinesNum() {
 			h.lastRegion = input.State(startline - 1)
 		}
 		input.Unlock()
 	}
-	for i := startline; ; i++ {
+	for i := startline; i < input.LinesNum(); i++ {
 		input.Lock()
 		if i >= input.LinesNum() {
 			input.Unlock()
 			break
 		}
 		line := input.LineBytes(i)
 		// highlights := make(LineMatch)
@ -385,7 +383,6 @@ func (h *Highlighter) ReHighlightStates(input LineStates, startline int) int {
 		lastState := input.State(i)
 		input.SetState(i, curState)
 		input.Unlock()
 		if curState == lastState {
 			return i
@ -397,9 +394,6 @@ func (h *Highlighter) ReHighlightStates(input LineStates, startline int) int {
 // ReHighlightLine will rehighlight the state and match for a single line
 func (h *Highlighter) ReHighlightLine(input LineStates, lineN int) {
 	input.Lock()
 	defer input.Unlock()
 	line := input.LineBytes(lineN)
 	highlights := make(LineMatch)
--- a/pkg/highlight/parser.go
+++ b/pkg/highlight/parser.go
@ -33,28 +33,27 @@ func (g Group) String() string {
 // Then it has the rules which define how to highlight the file
 type Def struct {
 	*Header
 	rules *rules
 }
 type Header struct {
-	FileType       string
+	FileType string
-	FileNameRegex  *regexp.Regexp
+	FtDetect [2]*regexp.Regexp
 	HeaderRegex    *regexp.Regexp
 	SignatureRegex *regexp.Regexp
 }
 type HeaderYaml struct {
 	FileType string `yaml:"filetype"`
 	Detect   struct {
-		FNameRegexStr     string `yaml:"filename"`
+		FNameRgx  string `yaml:"filename"`
-		HeaderRegexStr    string `yaml:"header"`
+		HeaderRgx string `yaml:"header"`
 		SignatureRegexStr string `yaml:"signature"`
 	} `yaml:"detect"`
 }
 type File struct {
 	FileType string
-	yamlSrc  map[interface{}]interface{}
+
 	yamlSrc map[interface{}]interface{}
 }
 // A Pattern is one simple syntax rule
@ -98,24 +97,20 @@ func init() {
 // A yaml file might take ~400us to parse while a header file only takes ~20us
 func MakeHeader(data []byte) (*Header, error) {
 	lines := bytes.Split(data, []byte{'\n'})
-	if len(lines) < 4 {
+	if len(lines) < 3 {
 		return nil, errors.New("Header file has incorrect format")
 	}
 	header := new(Header)
 	var err error
 	header.FileType = string(lines[0])
-	fnameRegexStr := string(lines[1])
+	fnameRgx := string(lines[1])
-	headerRegexStr := string(lines[2])
+	headerRgx := string(lines[2])
 	signatureRegexStr := string(lines[3])
-	if fnameRegexStr != "" {
+	if fnameRgx != "" {
-		header.FileNameRegex, err = regexp.Compile(fnameRegexStr)
+		header.FtDetect[0], err = regexp.Compile(fnameRgx)
 	}
-	if err == nil && headerRegexStr != "" {
+	if headerRgx != "" {
-		header.HeaderRegex, err = regexp.Compile(headerRegexStr)
+		header.FtDetect[1], err = regexp.Compile(headerRgx)
 	}
 	if err == nil && signatureRegexStr != "" {
 		header.SignatureRegex, err = regexp.Compile(signatureRegexStr)
 	}
 	if err != nil {
@ -137,14 +132,11 @@ func MakeHeaderYaml(data []byte) (*Header, error) {
 	header := new(Header)
 	header.FileType = hdrYaml.FileType
-	if hdrYaml.Detect.FNameRegexStr != "" {
+	if hdrYaml.Detect.FNameRgx != "" {
-		header.FileNameRegex, err = regexp.Compile(hdrYaml.Detect.FNameRegexStr)
+		header.FtDetect[0], err = regexp.Compile(hdrYaml.Detect.FNameRgx)
 	}
-	if err == nil && hdrYaml.Detect.HeaderRegexStr != "" {
+	if hdrYaml.Detect.HeaderRgx != "" {
-		header.HeaderRegex, err = regexp.Compile(hdrYaml.Detect.HeaderRegexStr)
+		header.FtDetect[1], err = regexp.Compile(hdrYaml.Detect.HeaderRgx)
 	}
 	if err == nil && hdrYaml.Detect.SignatureRegexStr != "" {
 		header.SignatureRegex, err = regexp.Compile(hdrYaml.Detect.SignatureRegexStr)
 	}
 	if err != nil {
@ -154,37 +146,6 @@ func MakeHeaderYaml(data []byte) (*Header, error) {
 	return header, nil
 }
 // MatchFileName will check the given file name with the stored regex
 func (header *Header) MatchFileName(filename string) bool {
 	if header.FileNameRegex != nil {
 		return header.FileNameRegex.MatchString(filename)
 	}
 	return false
 }
 func (header *Header) MatchFileHeader(firstLine []byte) bool {
 	if header.HeaderRegex != nil {
 		return header.HeaderRegex.Match(firstLine)
 	}
 	return false
 }
 // HasFileSignature checks the presence of a stored signature
 func (header *Header) HasFileSignature() bool {
 	return header.SignatureRegex != nil
 }
 // MatchFileSignature will check the given line with the stored regex
 func (header *Header) MatchFileSignature(line []byte) bool {
 	if header.SignatureRegex != nil {
 		return header.SignatureRegex.Match(line)
 	}
 	return false
 }
 func ParseFile(input []byte) (f *File, err error) {
 	// This is just so if we have an error, we can exit cleanly and return the parse error to the user
 	defer func() {
@ -209,19 +170,11 @@ func ParseFile(input []byte) (f *File, err error) {
 		if k == "filetype" {
 			filetype := v.(string)
 			if filetype == "" {
 				return nil, errors.New("empty filetype")
 			}
 			f.FileType = filetype
 			break
 		}
 	}
 	if f.FileType == "" {
 		return nil, errors.New("missing filetype")
 	}
 	return f, err
 }
@ -238,12 +191,12 @@ func ParseDef(f *File, header *Header) (s *Def, err error) {
 		}
 	}()
-	src := f.yamlSrc
+	rules := f.yamlSrc
 	s = new(Def)
 	s.Header = header
-	for k, v := range src {
+	for k, v := range rules {
 		if k == "rules" {
 			inputRules := v.([]interface{})
@ -256,11 +209,6 @@ func ParseDef(f *File, header *Header) (s *Def, err error) {
 		}
 	}
 	if s.rules == nil {
 		// allow empty rules
 		s.rules = new(rules)
 	}
 	return s, err
 }
@ -355,10 +303,6 @@ func parseRules(input []interface{}, curRegion *region) (ru *rules, err error) {
 			switch object := val.(type) {
 			case string:
 				if object == "" {
 					return nil, fmt.Errorf("Empty rule %s", k)
 				}
 				if k == "include" {
 					ru.includes = append(ru.includes, object)
 				} else {
@ -412,56 +356,30 @@ func parseRegion(group string, regionInfo map[interface{}]interface{}, prevRegio
 	r.group = groupNum
 	r.parent = prevRegion
-	// start is mandatory
+	r.start, err = regexp.Compile(regionInfo["start"].(string))
 	if start, ok := regionInfo["start"]; ok {
 		start := start.(string)
 		if start == "" {
 			return nil, fmt.Errorf("Empty start in %s", group)
 		}
-		r.start, err = regexp.Compile(start)
+	if err != nil {
-		if err != nil {
+		return nil, err
 			return nil, err
 		}
 	} else {
 		return nil, fmt.Errorf("Missing start in %s", group)
 	}
-	// end is mandatory
+	r.end, err = regexp.Compile(regionInfo["end"].(string))
 	if end, ok := regionInfo["end"]; ok {
 		end := end.(string)
 		if end == "" {
 			return nil, fmt.Errorf("Empty end in %s", group)
 		}
-		r.end, err = regexp.Compile(end)
+	if err != nil {
-		if err != nil {
+		return nil, err
 			return nil, err
 		}
 	} else {
 		return nil, fmt.Errorf("Missing end in %s", group)
 	}
 	// skip is optional
-	if skip, ok := regionInfo["skip"]; ok {
+	if _, ok := regionInfo["skip"]; ok {
-		skip := skip.(string)
+		r.skip, err = regexp.Compile(regionInfo["skip"].(string))
 		if skip == "" {
 			return nil, fmt.Errorf("Empty skip in %s", group)
 		}
 		r.skip, err = regexp.Compile(skip)
 		if err != nil {
 			return nil, err
 		}
 	}
 	// limit-color is optional
-	if groupStr, ok := regionInfo["limit-group"]; ok {
+	if _, ok := regionInfo["limit-group"]; ok {
-		groupStr := groupStr.(string)
+		groupStr := regionInfo["limit-group"].(string)
 		if groupStr == "" {
 			return nil, fmt.Errorf("Empty limit-group in %s", group)
 		}
 		if _, ok := Groups[groupStr]; !ok {
 			numGroups++
 			Groups[groupStr] = numGroups
--- a/runtime/colorschemes/atom-dark.micro
+++ b/runtime/colorschemes/atom-dark.micro
@ -28,6 +28,3 @@ color-link color-column "#2D2F31"
 #No extended types (bool in C, etc.)
 #color-link type.extended "default"
 #Plain brackets
 color-link match-brace "#1D1F21,#62B1FE"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/bubblegum.micro
+++ b/runtime/colorschemes/bubblegum.micro
@ -26,6 +26,3 @@ color-link color-column "254"
 #No extended types (bool in C, &c.) and plain brackets
 color-link type.extended "241,231"
 color-link symbol.brackets "241,231"
 color-link match-brace "231,28"
 color-link tab-error "210"
 color-link trailingws "210"
--- a/runtime/colorschemes/cmc-16.micro
+++ b/runtime/colorschemes/cmc-16.micro
@ -42,6 +42,3 @@ color-link gutter-warning "red"
 color-link color-column "cyan"
 color-link underlined.url "underline blue, white"
 color-link divider "blue"
 color-link match-brace "black,cyan"
 color-link tab-error "brightred"
 color-link trailingws "brightred"
--- a/runtime/colorschemes/cmc-tc.micro
+++ b/runtime/colorschemes/cmc-tc.micro
@ -38,6 +38,3 @@ color-link color-column "#f26522"
 color-link constant.bool "bold #55ffff"
 color-link constant.bool.true "bold #85ff85"
 color-link constant.bool.false "bold #ff8585"
 color-link match-brace "#1e2124,#55ffff"
 color-link tab-error "#d75f5f"
 color-link trailingws "#d75f5f"
--- a/runtime/colorschemes/darcula.micro
+++ b/runtime/colorschemes/darcula.micro
@ -29,6 +29,3 @@ color-link color-column "#2C2C2C"
 color-link type.extended "default"
 #color-link symbol.brackets "default"
 color-link symbol.tag "#AE81FF,#242424"
 color-link match-brace "#242424,#7A9EC2"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/default.micro
+++ b/runtime/colorschemes/default.micro
@ -1 +1,31 @@
-include "monokai"
+color-link default "#F8F8F2,#282828"
 color-link comment "#75715E,#282828"
 color-link identifier "#66D9EF,#282828"
 color-link constant "#AE81FF,#282828"
 color-link constant.string "#E6DB74,#282828"
 color-link constant.string.char "#BDE6AD,#282828"
 color-link statement "#F92672,#282828"
 color-link symbol.operator "#F92671,#282828"
 color-link preproc "#CB4B16,#282828"
 color-link type "#66D9EF,#282828"
 color-link special "#A6E22E,#282828"
 color-link underlined "#D33682,#282828"
 color-link error "bold #CB4B16,#282828"
 color-link todo "bold #D33682,#282828"
 color-link hlsearch "#282828,#E6DB74"
 color-link statusline "#282828,#F8F8F2"
 color-link tabbar "#282828,#F8F8F2"
 color-link indent-char "#505050,#282828"
 color-link line-number "#AAAAAA,#323232"
 color-link current-line-number "#AAAAAA,#282828"
 color-link diff-added "#00AF00"
 color-link diff-modified "#FFAF00"
 color-link diff-deleted "#D70000"
 color-link gutter-error "#CB4B16,#282828"
 color-link gutter-warning "#E6DB74,#282828"
 color-link cursor-line "#323232"
 color-link color-column "#323232"
 #No extended types; Plain brackets.
 color-link type.extended "default"
 #color-link symbol.brackets "default"
 color-link symbol.tag "#AE81FF,#282828"
--- a/runtime/colorschemes/dracula-tc.micro
+++ b/runtime/colorschemes/dracula-tc.micro
@ -43,7 +43,3 @@ color-link cursor-line "#44475A,#F8F8F2"
 color-link color-column "#44475A"
 color-link type.extended "default"
 color-link match-brace "#282A36,#FF79C6"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/dukedark-tc.micro
+++ b/runtime/colorschemes/dukedark-tc.micro
@ -33,6 +33,3 @@ color-link type "bold #3cc83c,#001e28"
 color-link type.keyword "bold #5aaae6,#001e28"
 color-link type.extended "#ffffff,#001e28"
 color-link underlined "#608b4e,#001e28"
 color-link match-brace "#001e28,#5aaae6"
 color-link tab-error "#d75f5f"
 color-link trailingws "#d75f5f"
--- a/runtime/colorschemes/dukelight-tc.micro
+++ b/runtime/colorschemes/dukelight-tc.micro
@ -33,6 +33,3 @@ color-link type "bold #004080,#f0f0f0"
 color-link type.keyword "bold #780050,#f0f0f0"
 color-link type.extended "#000000,#f0f0f0"
 color-link underlined "#3f7f5f,#f0f0f0"
 color-link match-brace "#f0f0f0,#780050"
 color-link tab-error "#ff8787"
 color-link trailingws "#ff8787"
--- a/runtime/colorschemes/dukeubuntu-tc.micro
+++ b/runtime/colorschemes/dukeubuntu-tc.micro
@ -33,6 +33,3 @@ color-link type "bold #3cc83c,#2d0023"
 color-link type.keyword "bold #5aaae6,#2d0023"
 color-link type.extended "#ffffff,#2d0023"
 color-link underlined "#886484,#2d0023"
 color-link match-brace "#2d0023,#5aaae6"
 color-link tab-error "#d75f5f"
 color-link trailingws "#d75f5f"
--- a/runtime/colorschemes/geany.micro
+++ b/runtime/colorschemes/geany.micro
@ -24,6 +24,3 @@ color-link diff-modified "yellow"
 color-link diff-deleted "red"
 color-link gutter-error ",red"
 color-link gutter-warning "red"
 color-link match-brace "black,cyan"
 color-link tab-error "brightred"
 color-link trailingws "brightred"
--- a/runtime/colorschemes/gotham.micro
+++ b/runtime/colorschemes/gotham.micro
@ -24,6 +24,3 @@ color-link gutter-warning "#EDB443,#11151C"
 color-link cursor-line "#091F2E"
 color-link color-column "#11151C"
 color-link symbol "#99D1CE,#0C1014"
 color-link match-brace "#0C1014,#D26937"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/gruvbox-tc.micro
+++ b/runtime/colorschemes/gruvbox-tc.micro
@ -24,6 +24,3 @@ color-link cursor-line "#3c3836"
 color-link color-column "#79740e"
 color-link statusline "#ebdbb2,#665c54"
 color-link tabbar "#ebdbb2,#665c54"
 color-link match-brace "#282828,#d3869b"
 color-link tab-error "#d75f5f"
 color-link trailingws "#d75f5f"
--- a/runtime/colorschemes/gruvbox.micro
+++ b/runtime/colorschemes/gruvbox.micro
@ -21,6 +21,3 @@ color-link cursor-line "237"
 color-link color-column "237"
 color-link statusline "223,237"
 color-link tabbar "223,237"
 color-link match-brace "235,72"
 color-link tab-error "167"
 color-link trailingws "167"
--- a/runtime/colorschemes/material-tc.micro
+++ b/runtime/colorschemes/material-tc.micro
@ -20,7 +20,6 @@ color-link identifier.macro "#FFCB6B,#263238"
 color-link indent-char "#505050,#263238"
 color-link line-number "#656866,#283942"
 color-link preproc "#C792EA,#263238"
 color-link scrollbar "#80DEEA,#283942"
 color-link special "#C792EA,#263238"
 color-link statement "#C792EA,#263238"
 color-link statusline "#80DEEA,#3b4d56"
@ -31,6 +30,3 @@ color-link tabbar "#80DEEA,#3b4d56"
 color-link todo "bold #C792EA,#263238"
 color-link type "#FFCB6B,#263238"
 color-link underlined "underline #EEFFFF,#263238"
 color-link match-brace "#263238,#C792EA"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/monokai-dark.micro
+++ b/runtime/colorschemes/monokai-dark.micro
@ -23,6 +23,3 @@ color-link gutter-error "#CB4B16"
 color-link gutter-warning "#E6DB74"
 color-link cursor-line "#323232"
 color-link color-column "#323232"
 color-link match-brace "#1D0000,#AE81FF"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/monokai.micro
+++ b/runtime/colorschemes/monokai.micro
@ -29,6 +29,3 @@ color-link color-column "#323232"
 color-link type.extended "default"
 #color-link symbol.brackets "default"
 color-link symbol.tag "#AE81FF,#282828"
 color-link match-brace "#282828,#AE81FF"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/one-dark.micro
+++ b/runtime/colorschemes/one-dark.micro
@ -34,6 +34,3 @@ color-link todo "#8B98AB"
 color-link type "#66D9EF"
 color-link type.keyword "#C678DD"
 color-link underlined "#8996A8"
 color-link match-brace "#21252C,#C678DD"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/railscast.micro
+++ b/runtime/colorschemes/railscast.micro
@ -28,10 +28,6 @@ color-link tabbar "bold #b1b1b1,#232323"
 color-link cursor-line "#353535"
 color-link color-column "#353535"
 color-link space "underline #e6e1dc,#2b2b2b"
 color-link tab-error "#d75f5f"
 color-link trailingws "#d75f5f"
 #the Python syntax definition are wrong. This is not how you should do decorators!
 color-link brightgreen "#edb753,#2b2b2b"
 color-link match-brace "#2b2b2b,#a5c261"
--- a/runtime/colorschemes/simple.micro
+++ b/runtime/colorschemes/simple.micro
@ -10,7 +10,6 @@ color-link ignore "default"
 color-link error ",brightred"
 color-link todo ",brightyellow"
 color-link hlsearch "black,yellow"
 color-link statusline "black,white"
 color-link indent-char "black"
 color-link line-number "yellow"
 color-link current-line-number "red"
@ -28,6 +27,3 @@ color-link type.extended "default"
 color-link symbol.brackets "default"
 #Color shebangs the comment color
 color-link preproc.shebang "comment"
 color-link match-brace ",magenta"
 color-link tab-error "brightred"
 color-link trailingws "brightred"
--- a/runtime/colorschemes/solarized-tc.micro
+++ b/runtime/colorschemes/solarized-tc.micro
@ -26,6 +26,3 @@ color-link cursor-line "#003541"
 color-link color-column "#003541"
 color-link type.extended "#839496,#002833"
 color-link symbol.brackets "#839496,#002833"
 color-link match-brace "#002833,#268BD2"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/solarized.micro
+++ b/runtime/colorschemes/solarized.micro
@ -25,6 +25,3 @@ color-link cursor-line "black"
 color-link color-column "black"
 color-link type.extended "default"
 color-link symbol.brackets "default"
 color-link match-brace ",blue"
 color-link tab-error "brightred"
 color-link trailingws "brightred"
--- a/runtime/colorschemes/sunny-day.micro
+++ b/runtime/colorschemes/sunny-day.micro
@ -24,6 +24,3 @@ color-link gutter-warning "88"
 color-link cursor-line "229"
 #color-link color-column "196"
 color-link current-line-number "246"
 color-line match-brace "230,22"
 color-link tab-error "210"
 color-link trailingws "210"
--- a/runtime/colorschemes/twilight.micro
+++ b/runtime/colorschemes/twilight.micro
@ -35,6 +35,3 @@ color-link todo "#8B98AB"
 color-link type "#F9EE98"
 color-link type.keyword "#CDA869"
 color-link underlined "#8996A8"
 color-link match-brace "#141414,#E0C589"
 color-link tab-error "#D75F5F"
 color-link trailingws "#D75F5F"
--- a/runtime/colorschemes/zenburn.micro
+++ b/runtime/colorschemes/zenburn.micro
@ -25,6 +25,3 @@ color-link gutter-warning "174,237"
 color-link cursor-line "238"
 color-link color-column "238"
 color-link current-line-number "188,237"
 color-link match-brace "237,223"
 color-link tab-error "167"
 color-link trailingws "167"
--- a/runtime/help/colors.md
+++ b/runtime/help/colors.md
@ -8,7 +8,7 @@ This help page aims to cover two aspects of micro's syntax highlighting engine:
 ## Colorschemes
-To change your colorscheme, press `Ctrl-e` in micro to bring up the command
+To change your colorscheme, press Ctrl-e in micro to bring up the command
 prompt, and type:
 ```
@ -93,7 +93,7 @@ and set this variable yourself.
 * `solarized-tc`: this is the solarized colorscheme for true color.
 * `atom-dark`: this colorscheme is based off of Atom's "dark" colorscheme.
 * `cmc-tc`: A true colour variant of the cmc theme.  It requires true color to
-   look its best. Use cmc-16 if your terminal doesn't support true color.
+  look its best. Use cmc-16 if your terminal doesn't support true color.
 * `gruvbox-tc`: The true color version of the gruvbox colorscheme
 * `material-tc`: Colorscheme based off of Google's Material Design palette
@ -106,7 +106,7 @@ be found
 Custom colorschemes should be placed in the `~/.config/micro/colorschemes`
 directory.
-A number of custom directives are placed in a `.micro` file. Colorschemes are
+A number of custom directives are placed in a `.micro` file. Colorschemes are 
 typically only 18-30 lines in total.
 To create the colorscheme you need to link highlight groups with
@ -152,7 +152,7 @@ Then you can use the terminals 256 colors by using their numbers 1-256 (numbers
 If the user's terminal supports true color, then you can also specify colors
 exactly using their hex codes. If the terminal is not true color but micro is
-told to use a true color colorscheme it will attempt to map the colors to the
+told to use a true color colorscheme it will attempt to map the colors to the 
 available 256 colors.
 Generally colorschemes which require true color terminals to look good are
@ -194,10 +194,6 @@ Here is a list of the colorscheme groups that you can use:
 * divider (Color of the divider between vertical splits)
 * message (Color of messages in the bottom line of the screen)
 * error-message (Color of error messages in the bottom line of the screen)
 * match-brace (Color of matching brackets when `matchbracestyle` is set to `highlight`)
 * hlsearch (Color of highlighted search results when `hlsearch` is enabled)
 * tab-error (Color of tab vs space errors when `hltaberrors` is enabled)
 * trailingws (Color of trailing whitespaces when `hltrailingws` is enabled)
 Colorschemes must be placed in the `~/.config/micro/colorschemes` directory to
 be used.
@ -214,9 +210,9 @@ safe and recommended to use subgroups in your custom syntax files.
 For example if `constant.string` is found in your colorscheme, micro will us
 that for highlighting strings. If it's not found, it will use constant instead.
 Micro tries to match the largest set of groups it can find in the colorscheme
-definitions, so if, for example `constant.bool.true` is found then micro will
+definitions, so if, for examle `constant.bool.true` is found then micro will
 use that. If `constant.bool.true` is not found but `constant.bool` is found
-micro will use `constant.bool`. If not, it uses `constant`.
+micro will use `constant.bool`. If not, it uses `constant`. 
 Here's a list of subgroups used in micro's built-in syntax files.
@ -224,10 +220,10 @@ Here's a list of subgroups used in micro's built-in syntax files.
 * constant.bool
 * constant.bool.true
 * constant.bool.false
-* constant.number
+* constant.number 
 * constant.specialChar
 * constant.string
-* constant.string.url
+* constant.string.url 
 * identifier.class (Also used for functions)
 * identifier.macro
 * identifier.var
@ -240,12 +236,6 @@ Here's a list of subgroups used in micro's built-in syntax files.
 In the future, plugins may also be able to use color groups for styling.
 ---
 Last but not least it's even possible to use `include` followed by the
 colorscheme name as string to include a different colorscheme within a new one.
 Additionally the groups can then be extended or overwritten. The `default.micro`
 theme can be seen as an example, which links to the chosen default colorscheme.
 ## Syntax files
@ -254,7 +244,7 @@ languages.
 Micro's builtin syntax highlighting tries very hard to be sane, sensible and
 provide ample coverage of the meaningful elements of a language. Micro has
-syntax files built in for over 100 languages now! However, there may be
+syntax files built in for over 100 languages now! However, there may be 
 situations where you find Micro's highlighting to be insufficient or not to
 your liking. The good news is that you can create your own syntax files, and
 place them in  `~/.config/micro/syntax` and Micro will use those instead.
@ -277,9 +267,8 @@ detect:
 ```
 Micro will match this regex against a given filename to detect the filetype.
-
+You may also provide an optional `header` regex that will check the first line
-In addition to the `filename` regex (or even instead of it) you can provide
+of the file. For example:
 a `header` regex that will check the first line of the file. For example:
 ```
 detect:
@ -287,32 +276,6 @@ detect:
    header: "%YAML"
 ```
 This is useful in cases when the given file name is not sufficient to determine
 the filetype, e.g. with the above example, if a YAML file has no `.yaml`
 extension but may contain a `%YAML` directive in its first line.
 `filename` takes precedence over `header`, i.e. if there is a syntax file that
 matches the file with a filetype by the `filename` and another syntax file that
 matches the same file with another filetype by the `header`, the first filetype
 will be used.
 Finally, in addition to `filename` and/or `header` (but not instead of them)
 you may also provide an optional `signature` regex which is useful for resolving
 ambiguities when there are multiple syntax files matching the same file with
 different filetypes. If a `signature` regex is given, micro will match a certain
 amount of first lines in the file (this amount is determined by the `detectlimit`
 option) against this regex, and if any of the lines match, this syntax file's
 filetype will be preferred over other matching filetypes.
 For example, to distinguish C++ header files from C and Objective-C header files
 that have the same `.h` extension:
 ```
 detect:
    filename: "\\.c(c|pp|xx)$|\\.h(h|pp|xx)?$"
    signature: "namespace|template|public|protected|private"
 ```
 ### Syntax rules
 Next you must provide the syntax highlighting rules. There are two types of
@ -393,28 +356,15 @@ example, the following is possible for html:
        - include: "css"
 ```
-Note that nested include (i.e. including syntax files that include other syntax
+## Syntax file headers
 files) is not supported yet.
-### Default syntax highlighting
+Syntax file headers are an optimization and it is likely you do not need to
 worry about them.
-If micro cannot detect the filetype of the file, it falls back to using the
+Syntax file headers are files that contain only the filetype and the detection
-default syntax highlighting for it, which highlights just the bare minimum:
+regular expressions for a given syntax file. They have a `.hdr` suffix and are
-email addresses, URLs etc.
+used by default only for the pre-installed syntax files. Header files allow
-
+micro to parse the syntax files much faster when checking the filetype of a
-Just like in other cases, you can override the default highlighting by adding
+certain file. Custom syntax files may provide header files in
-your own custom `default.yaml` file to `~/.config/micro/syntax`.
+`~/.config/micro/syntax` as well but it is not necessary (only do this if you
-
+have many (100+) custom syntax files and want to improve performance).
 For example, if you work with various config files that use the `#` sign to mark
 the beginning of a comment, you can use the following custom `default.yaml` to
 highlight those comments by default:
 ```
 filetype: unknown
 detect:
    filename: ""
 rules:
    - comment: "(^|\\s)#.*$"
 ```
--- a/runtime/help/commands.md
+++ b/runtime/help/commands.md
@ -1,6 +1,6 @@
 # Command bar
-The command bar is opened by pressing `Ctrl-e`. It is a single-line buffer,
+The command bar is opened by pressing Ctrl-e. It is a single-line buffer,
 meaning that all keybindings from a normal buffer are supported (as well
 as mouse and selection).
@ -21,43 +21,32 @@ quotes here but these are not necessary when entering the command in micro.
   This command will modify `bindings.json` and overwrite any bindings to
   `key` that already exist.
-* `help ['topic']`: opens the corresponding help topic. If no topic is provided
+* `help 'topic'?`: opens the corresponding help topic. If no topic is provided
   opens the default help screen. Help topics are stored as `.md` files in the
   `runtime/help` directory of the source tree, which is embedded in the final
   binary.
-* `save ['filename']`: saves the current buffer. If the file is provided it
+* `save 'filename'?`: saves the current buffer. If the file is provided it
   will 'save as' the filename.
 * `quit`: quits micro.
-* `goto 'line[:col]'`: goes to the given absolute line (and optional column)
+* `goto 'line'`: jumps to the given line number. A negative number can be
-   number.
+   passed to jump inward from the end of the file; for example, -5 jumps
-   A negative number can be passed to go inward from the end of the file.
+   to the 5th-last line in the file.
   Example: -5 goes to the 5th-last line in the file.
-* `jump 'line[:col]'`: goes to the given relative number from the current
+* `replace 'search' 'value' 'flags'?`: This will replace `search` with `value`. 
   line (and optional absolute column) number.
   Example: -5 jumps 5 lines up in the file, while (+)3 jumps 3 lines down.
 * `replace 'search' 'value' ['flags']`: This will replace `search` with `value`.
   The `flags` are optional. Possible flags are:
   * `-a`: Replace all occurrences at once
   * `-l`: Do a literal search instead of a regex search
-   Note that `search` must be a valid regex (unless `-l` is passed). If one
+   Note that `search` must be a valid regex (unless `-l` is passed). If one 
   of the arguments does not have any spaces in it, you may omit the quotes.
   In case the search is done non-literal (without `-l`), the 'value'
   is interpreted as a template:
   * `$3` or `${3}` substitutes the submatch of the 3rd (capturing group)
   * `$foo` or `${foo}` substitutes the submatch of the (?P<foo>named group)
   * You have to write `$$` to substitute a literal dollar.
 * `replaceall 'search' 'value'`: this will replace all occurrences of `search`
   with `value` without user confirmation.
-   See `replace` command for more information.
+	See `replace` command for more information.
 * `set 'option' 'value'`: sets the option to value. See the `options` help
   topic for a list of options you can set. This will modify your
@ -68,18 +57,18 @@ quotes here but these are not necessary when entering the command in micro.
 * `show 'option'`: shows the current value of the given option.
-* `run 'sh-command'`: runs the given shell command in the background. The
+* `run 'sh-command'`: runs the given shell command in the background. The 
   command's output will be displayed in one line when it finishes running.
-* `vsplit ['filename']`: opens a vertical split with `filename`. If no filename
+* `vsplit 'filename'`: opens a vertical split with `filename`. If no filename
   is provided, a vertical split is opened with an empty buffer.
-* `hsplit ['filename']`: same as `vsplit` but opens a horizontal split instead
+* `hsplit 'filename'`: same as `vsplit` but opens a horizontal split instead
   of a vertical split.
-* `tab ['filename']`: opens the given file in a new tab.
+* `tab 'filename'`: opens the given file in a new tab.
-* `tabmove '[-+]n'`: Moves the active tab to another slot. `n` is an integer.
+* `tabmove '[-+]?n'`: Moves the active tab to another slot. `n` is an integer.
   If `n` is prefixed with `-` or `+`, then it represents a relative position
   (e.g. `tabmove +2` moves the tab to the right by `2`). If `n` has no prefix,
   it represents an absolute position (e.g. `tabmove 2` moves the tab to slot `2`).
@ -100,7 +89,7 @@ quotes here but these are not necessary when entering the command in micro.
 * `plugin remove 'pl'`: remove a plugin.
-* `plugin update ['pl']`: update a plugin (if no arguments are provided
+* `plugin update 'pl'`: update a plugin (if no arguments are provided
   updates all plugins).
 * `plugin search 'pl'`: search available plugins for a keyword.
@ -125,10 +114,10 @@ quotes here but these are not necessary when entering the command in micro.
   the terminal and helps you see which bindings aren't possible and why. This
   is most useful for debugging keybindings.
-* `showkey 'key'`: Show the action(s) bound to a given key. For example
+* `showkey`: Show the action(s) bound to a given key. For example
   running `> showkey Ctrl-c` will display `Copy`.
-* `term ['exec']`: Open a terminal emulator running the given executable. If no
+* `term exec?`: Open a terminal emulator running the given executable. If no
   executable is given, this will open the default shell in the terminal
   emulator.
--- a/runtime/help/copypaste.md
+++ b/runtime/help/copypaste.md
@ -12,13 +12,13 @@ is limited support among terminal emulators for the terminal clipboard
 (which uses the OSC 52 protocol to communicate clipboard contents).
 Here is a list of terminal emulators and their status:
-* `Kitty`: supported, but only writing is enabled by default. To enable
+* Kitty: supported, but only writing is enabled by default. To enable
-   reading, add `read-primary` and `read-clipboard` to the
+  reading, add `read-primary` and `read-clipboard` to the
-   `clipboard_control` option.
+  `clipboard_control` option.
-* `iTerm2`: only copying (writing to clipboard) is supported. Must be enabled in
+* iTerm2: only copying (writing to clipboard) is supported. Must be enabled in
-   `Preferences->General-> Selection->Applications in terminal may access clipboard`.
+  `Preferences->General-> Selection->Applications in terminal may access clipboard`.
-   You can use `Command-v` to paste.
+  You can use Command-v to paste.
 * `st`: supported.
@ -31,14 +31,10 @@ Here is a list of terminal emulators and their status:
 * `gnome-terminal`: does not support OSC 52.
-* `alacritty`: supported. Since 0.13.0, reading has been disabled by default.
+* `alacritty`: supported.
   To reenable it, set the `terminal.osc52` option to `CopyPaste`.
 * `foot`: supported.
 * `wezterm`: only copying (writing to clipboard) is supported.
 **Summary:** If you want copy and paste to work over SSH, then you
 should set `clipboard` to `terminal`, and make sure your terminal
 supports OSC 52.
@ -49,12 +45,12 @@ supports OSC 52.
 The recommended method of pasting is the following:
-* If you are not working over SSH, use the micro keybinding (`Ctrl-v`
+* If you are not working over SSH, use the micro keybinding (Ctrl-v
  by default) to perform pastes. If on Linux, install `xclip` or
  `xsel` beforehand.
 * If you are working over SSH, use the terminal keybinding
-  (`Ctrl-Shift-v` or `Command-v`) to perform pastes. If your terminal
+  (Ctrl-Shift-v or Command-v) to perform pastes. If your terminal
  does not support bracketed paste, when performing a paste first
  enable the `paste` option, and when finished disable the option.
@ -63,8 +59,8 @@ The recommended method of pasting is the following:
 Micro is an application that runs within the terminal. This means
 that the terminal sends micro events, such as key events, mouse
 events, resize events, and paste events. Micro's default keybinding
-for paste is `Ctrl-v`. This means that when micro receives the key
+for paste is Ctrl-v. This means that when micro receives the key
-event saying `Ctrl-v` has been pressed from the terminal, it will
+event saying Ctrl-v has been pressed from the terminal, it will
 attempt to access the system clipboard and effect a paste. The
 system clipboard will be accessed through `pbpaste` on MacOS
 (installed by default), `xclip` or `xsel` on Linux (these
@ -77,8 +73,8 @@ For certain keypresses, the terminal will not send an event to
 micro and will instead do something itself. In this document,
 such keypresses will be called "terminal keybindings." Often
 there will be a terminal keybinding for pasting and copying. On
-MacOS these are Command-v and Command-c and on Linux `Ctrl-Shift-v`
+MacOS these are Command-v and Command-c and on Linux Ctrl-Shift-v
-and `Ctrl-Shift-c`. When the terminal keybinding for paste is
+and Ctrl-Shift-c. When the terminal keybinding for paste is
 executed, your terminal will access the system clipboard, and send
 micro either a paste event or a list of key events (one key for each
 character in the paste), depending on whether or not your terminal
@ -90,7 +86,7 @@ sends a list of key events, this can cause issues because micro
 will think you manually entered each character and may add closing
 brackets or automatic indentation, which will mess up the pasted
 text. To avoid this, you can temporarily enable the `paste` option
-while you perform the paste. When paste option is on, micro will
+while you perform the paste. When paste option is on, micro will 
 aggregate lists of multiple key events into larger paste events.
 It is a good idea to disable the `paste` option during normal use
 as occasionally if you are typing quickly, the terminal will send
@ -101,7 +97,7 @@ entered.
 When working over SSH, micro is running on the remote machine and
 your terminal is running on your local machine. Therefore if you
-would like to paste, using `Ctrl-v` (micro's keybinding) will not
+would like to paste, using Ctrl-v (micro's keybinding) will not
 work because when micro attempts to access the system clipboard,
 it will access the remote machine's clipboard rather than the local
 machine's clipboard. On the other hand, the terminal keybinding
@ -114,12 +110,12 @@ the network as a paste event, which is what you want.
 The recommended method of copying is the following:
-* If you are not working over SSH, use the micro keybinding (`Ctrl-c` by
+* If you are not working over SSH, use the micro keybinding (Ctrl-c by
  default) to perform copies. If on Linux, install `xclip` or `xsel`
  beforehand.
 * If you are working over SSH, use the terminal keybinding
-  (`Ctrl-Shift-c` or `Command-c`) to perform copies. You must first disable
+  (Ctrl-Shift-c or Command-c) to perform copies. You must first disable
  the `mouse` option to perform a terminal selection, and you may wish
  to disable line numbers and diff indicators (`ruler` and `diffgutter`
  options) and close other splits. This method will only be able to copy
@ -130,14 +126,14 @@ Copying follows a similar discussion to the one above about pasting.
 The primary difference is before performing a copy, the application
 doing the copy must be told what text needs to be copied.
-Micro has a keybinding (`Ctrl-c`) for copying and will access the system
+Micro has a keybinding (Ctrl-c) for copying and will access the system
 clipboard to perform the copy. The text that micro will copy into is
 the text that is currently selected in micro (usually such text is
 displayed with a white background). When the `mouse` option is enabled,
 the mouse can be used to select text, as well as other keybindings,
 such as ShiftLeft, etc...
-The terminal also has a keybinding (`Ctrl-Shift-c` or `Command-c`) to perform
+The terminal also has a keybinding (Ctrl-Shift-c or Command-c) to perform
 a copy, and the text that it copies is the text selected by the terminal's
 selection (*not* micro's selection). To select text with the terminal
 selection, micro's mouse support must first be disabled by turning the
--- a/runtime/help/defaultkeys.md
+++ b/runtime/help/defaultkeys.md
@ -52,9 +52,9 @@ can change it!
 | Ctrl-n    | Find next instance of current search      |
 | Ctrl-p    | Find previous instance of current search  |
-Note: `Ctrl-n` and `Ctrl-p` should be used from the main buffer, not from inside
+Note: Ctrl-n and Ctrl-p should be used from the main buffer, not from inside
-the search prompt. After `Ctrl-f`, press enter to complete the search and then
+the search prompt. After Ctrl-f, press enter to complete the search and then
-you can use `Ctrl-n` and `Ctrl-p` to cycle through matches.
+you can use Ctrl-n and Ctrl-p to cycle through matches.
 ### File Operations
@ -129,7 +129,7 @@ you can use `Ctrl-n` and `Ctrl-p` to cycle through matches.
 ### Function keys.
-Warning! The function keys may not work in all terminals!
+Warning! The function keys may not work in all terminals! 
 | Key   | Description of function   |
 |------ |-------------------------- |
--- a/runtime/help/help.md
+++ b/runtime/help/help.md
@ -4,9 +4,9 @@ Micro is an easy to use, intuitive, text editor that takes advantage of the
 full capabilities of modern terminals.
 Micro can be controlled by commands entered on the command bar, or with
-keybindings. To open the command bar, press `Ctrl-e`: the `>` prompt will
+keybindings. To open the command bar, press Ctrl-e: the `>` prompt will
 display. From now on, when the documentation shows a command to run (such as
-`> help`), press `Ctrl-e` and type the command followed by enter.
+`> help`), press Ctrl-e and type the command followed by enter.
 For a list of the default keybindings, run `> help defaultkeys`.
 For more information on keybindings, see `> help keybindings`.
@ -14,7 +14,7 @@ To toggle a short list of important keybindings, press Alt-g.
 ## Quick-start
-To quit, press `Ctrl-q`. Save by pressing `Ctrl-s`. Press `Ctrl-e`, as previously
+To quit, press Ctrl-q. Save by pressing Ctrl-s. Press Ctrl-e, as previously
 mentioned, to start typing commands. To see which commands are available, at the
 prompt, press tab, or view the help topic with `> help commands`.
@ -26,31 +26,31 @@ If the colorscheme doesn't look good, you can change it with
 or see more information about colorschemes and syntax highlighting with `> help
 colors`.
-Press `Ctrl-w` to move between splits, and type `> vsplit filename` or
+Press Ctrl-w to move between splits, and type `> vsplit filename` or
 `> hsplit filename` to open a new split.
 ## Accessing more help
 Micro has a built-in help system which can be accessed with the `> help` command.
-To view help for the various available topics, press `Ctrl-e` to access command
+To view help for the various available topics, press Ctrl-e to access command
 mode and type in `> help` followed by a topic. Typing just `> help` will open
 this page.
 Here are the available help topics:
-* `tutorial`: A brief tutorial which gives an overview of all the other help
+* tutorial: A brief tutorial which gives an overview of all the other help
-   topics
+  topics
-* `keybindings`: Gives a full list of the default keybindings as well as how to
+* keybindings: Gives a full list of the default keybindings as well as how to
-   rebind them
+  rebind them
-* `defaultkeys`: Gives a more straight-forward list of the hotkey commands and
+* defaultkeys: Gives a more straight-forward list of the hotkey commands and
-   what they do
+  what they do
-* `commands`: Gives a list of all the commands and what they do
+* commands: Gives a list of all the commands and what they do
-* `options`: Gives a list of all the options you can customize
+* options: Gives a list of all the options you can customize
-* `plugins`: Explains how micro's plugin system works and how to create your own
+* plugins: Explains how micro's plugin system works and how to create your own
-   plugins
+  plugins
-* `colors`: Explains micro's colorscheme and syntax highlighting engine and how
+* colors: Explains micro's colorscheme and syntax highlighting engine and how
-   to create your own colorschemes or add new languages to the engine
+  to create your own colorschemes or add new languages to the engine
 For example, to open the help page on plugins you would run `> help plugins`.
--- a/runtime/help/keybindings.md
+++ b/runtime/help/keybindings.md
@ -16,7 +16,7 @@ Micro will know what to do with it.
 You can use Ctrl + arrows to move word by word (Alt + arrows for Mac). Alt + left and right
 move the cursor to the start and end of the line (Ctrl + left/right for Mac), and Ctrl + up and down move the
-cursor to the start and end of the buffer.
+cursor the start and end of the buffer.
 You can hold shift with all of these movement actions to select while moving.
@ -30,21 +30,21 @@ following in the `bindings.json` file.
 ```json
 {
-    "Ctrl-y": "Undo",
+	"Ctrl-y": "Undo",
-    "Ctrl-z": "Redo"
+	"Ctrl-z": "Redo"
 }
 ```
 **Note:** The syntax `<Modifier><key>` is equivalent to `<Modifier>-<key>`. In
-addition, `Ctrl-Shift` bindings are not supported by terminals, and are the same
+addition, Ctrl-Shift bindings are not supported by terminals, and are the same
-as simply `Ctrl` bindings. This means that `CtrlG`, `Ctrl-G`, and `Ctrl-g` all
+as simply Ctrl bindings. This means that `CtrlG`, `Ctrl-G`, and `Ctrl-g` all
-mean the same thing. However, for `Alt` this is not the case: `AltG` and `Alt-G`
+mean the same thing. However, for Alt this is not the case: `AltG` and `Alt-G`
 mean `Alt-Shift-g`, while `Alt-g` does not require the Shift modifier.
 In addition to editing your `~/.config/micro/bindings.json`, you can run
 `>bind <keycombo> <action>` For a list of bindable actions, see below.
-You can also chain commands when rebinding. For example, if you want `Alt-s` to
+You can also chain commands when rebinding. For example, if you want Alt-s to
 save and quit you can bind it like so:
 ```json
@ -178,18 +178,12 @@ SelectToStartOfText
 SelectToStartOfTextToggle
 WordRight
 WordLeft
 SubWordRight
 SubWordLeft
 SelectWordRight
 SelectWordLeft
 SelectSubWordRight
 SelectSubWordLeft
 MoveLinesUp
 MoveLinesDown
 DeleteWordRight
 DeleteWordLeft
 DeleteSubWordRight
 DeleteSubWordLeft
 SelectLine
 SelectToStartOfLine
 SelectToEndOfLine
@ -206,8 +200,6 @@ Find
 FindLiteral
 FindNext
 FindPrevious
 DiffPrevious
 DiffNext
 Undo
 Redo
 Copy
@ -415,14 +407,8 @@ mouse actions)
 ```
 MouseLeft
 MouseLeftDrag
 MouseLeftRelease
 MouseMiddle
 MouseMiddleDrag
 MouseMiddleRelease
 MouseRight
 MouseRightDrag
 MouseRightRelease
 MouseWheelUp
 MouseWheelDown
 MouseWheelLeft
@ -475,31 +461,29 @@ conventions for text editing defaults.
    "Alt-{":          "ParagraphPrevious",
    "Alt-}":          "ParagraphNext",
    "Enter":          "InsertNewline",
-    "Ctrl-h":         "Backspace",
+    "Ctrl-h":          "Backspace",
    "Backspace":      "Backspace",
    "Alt-CtrlH":      "DeleteWordLeft",
    "Alt-Backspace":  "DeleteWordLeft",
    "Tab":            "Autocomplete|IndentSelection|InsertTab",
    "Backtab":        "OutdentSelection|OutdentLine",
-    "Ctrl-o":         "OpenFile",
+    "Ctrl-o":          "OpenFile",
-    "Ctrl-s":         "Save",
+    "Ctrl-s":          "Save",
-    "Ctrl-f":         "Find",
+    "Ctrl-f":          "Find",
-    "Alt-F":          "FindLiteral",
+    "Alt-F":           "FindLiteral",
-    "Ctrl-n":         "FindNext",
+    "Ctrl-n":          "FindNext",
-    "Ctrl-p":         "FindPrevious",
+    "Ctrl-p":          "FindPrevious",
-    "Alt-[":          "DiffPrevious|CursorStart",
+    "Ctrl-z":          "Undo",
-    "Alt-]":          "DiffNext|CursorEnd",
+    "Ctrl-y":          "Redo",
-    "Ctrl-z":         "Undo",
+    "Ctrl-c":          "CopyLine|Copy",
-    "Ctrl-y":         "Redo",
+    "Ctrl-x":          "Cut",
-    "Ctrl-c":         "CopyLine|Copy",
+    "Ctrl-k":          "CutLine",
-    "Ctrl-x":         "Cut",
+    "Ctrl-d":          "DuplicateLine",
-    "Ctrl-k":         "CutLine",
+    "Ctrl-v":          "Paste",
-    "Ctrl-d":         "DuplicateLine",
+    "Ctrl-a":          "SelectAll",
-    "Ctrl-v":         "Paste",
+    "Ctrl-t":          "AddTab",
-    "Ctrl-a":         "SelectAll",
+    "Alt-,":           "PreviousTab",
-    "Ctrl-t":         "AddTab",
+    "Alt-.":           "NextTab",
    "Alt-,":          "PreviousTab",
    "Alt-.":          "NextTab",
    "Home":           "StartOfText",
    "End":            "EndOfLine",
    "CtrlHome":       "CursorStart",
@ -508,17 +492,17 @@ conventions for text editing defaults.
    "PageDown":       "CursorPageDown",
    "CtrlPageUp":     "PreviousTab",
    "CtrlPageDown":   "NextTab",
-    "Ctrl-g":         "ToggleHelp",
+    "Ctrl-g":          "ToggleHelp",
    "Alt-g":          "ToggleKeyMenu",
-    "Ctrl-r":         "ToggleRuler",
+    "Ctrl-r":          "ToggleRuler",
-    "Ctrl-l":         "command-edit:goto ",
+    "Ctrl-l":          "command-edit:goto ",
    "Delete":         "Delete",
-    "Ctrl-b":         "ShellMode",
+    "Ctrl-b":          "ShellMode",
-    "Ctrl-q":         "Quit",
+    "Ctrl-q":          "Quit",
-    "Ctrl-e":         "CommandMode",
+    "Ctrl-e":          "CommandMode",
-    "Ctrl-w":         "NextSplit",
+    "Ctrl-w":          "NextSplit",
-    "Ctrl-u":         "ToggleMacro",
+    "Ctrl-u":          "ToggleMacro",
-    "Ctrl-j":         "PlayMacro",
+    "Ctrl-j":          "PlayMacro",
    "Insert":         "ToggleOverwriteMode",
    // Emacs-style keybindings
@ -536,15 +520,12 @@ conventions for text editing defaults.
    "Esc": "Escape",
    // Mouse bindings
-    "MouseWheelUp":     "ScrollUp",
+    "MouseWheelUp":   "ScrollUp",
-    "MouseWheelDown":   "ScrollDown",
+    "MouseWheelDown": "ScrollDown",
-    "MouseLeft":        "MousePress",
+    "MouseLeft":      "MousePress",
-    "MouseLeftDrag":    "MouseDrag",
+    "MouseMiddle":    "PastePrimary",
-    "MouseLeftRelease": "MouseRelease",
+    "Ctrl-MouseLeft": "MouseMultiCursor",
    "MouseMiddle":      "PastePrimary",
    "Ctrl-MouseLeft":   "MouseMultiCursor",
    // Multi-cursor bindings
    "Alt-n":        "SpawnMultiCursor",
    "AltShiftUp":   "SpawnMultiCursorUp",
    "AltShiftDown": "SpawnMultiCursorDown",
@ -648,12 +629,10 @@ are given below:
        "Esc": "AbortCommand",
        // Mouse bindings
-        "MouseWheelUp":     "HistoryUp",
+        "MouseWheelUp":   "HistoryUp",
-        "MouseWheelDown":   "HistoryDown",
+        "MouseWheelDown": "HistoryDown",
-        "MouseLeft":        "MousePress",
+        "MouseLeft":      "MousePress",
-        "MouseLeftDrag":    "MouseDrag",
+        "MouseMiddle":    "PastePrimary"
        "MouseLeftRelease": "MouseRelease",
        "MouseMiddle":      "PastePrimary"
    }
 }
 ```
--- a/runtime/help/options.md
+++ b/runtime/help/options.md
@ -11,10 +11,10 @@ if you have set either of the above environment variables).
 Here are the available options:
-* `autoindent`: when creating a new line, use the same indentation as the
+* `autoindent`: when creating a new line, use the same indentation as the 
   previous line.
-    default value: `true`
+	default value: `true`
 * `autosave`: automatically save the buffer every n seconds, where n is the
   value of the autosave option. Also when quitting on a modified buffer, micro
@ -77,39 +77,32 @@ Here are the available options:
   specified column. This is useful if you want column 80 to be highlighted
   special for example.
-    default value: `0`
+	default value: `0`
-* `colorscheme`: loads the colorscheme stored in
+* `colorscheme`: loads the colorscheme stored in 
   $(configDir)/colorschemes/`option`.micro, This setting is `global only`.
-    default value: `default`
+	default value: `default`
-   Note that the default colorschemes (default, solarized, and solarized-tc)
+    Note that the default colorschemes (default, solarized, and solarized-tc)
-   are not located in configDir, because they are embedded in the micro
+    are not located in configDir, because they are embedded in the micro
-   binary.
+    binary.
-   The colorscheme can be selected from all the files in the
+	The colorscheme can be selected from all the files in the 
-   ~/.config/micro/colorschemes/ directory. Micro comes by default with
+	~/.config/micro/colorschemes/ directory. Micro comes by default with
-   three colorschemes:
+	three colorschemes:
-   You can read more about micro's colorschemes in the `colors` help topic
+	You can read more about micro's colorschemes in the `colors` help topic
-   (`help colors`).
+	(`help colors`).
 * `cursorline`: highlight the line that the cursor is on in a different color
   (the color is defined by the colorscheme you are using).
-    default value: `true`
+	default value: `true`
 * `detectlimit`: if this is not set to 0, it will limit the amount of first
   lines in a file that are matched to determine the filetype.
   A higher limit means better accuracy of guessing the filetype, but also
   taking more time.
   default value: `100`
 * `diffgutter`: display diff indicators before lines.
-    default value: `false`
+	default value: `false`
 * `divchars`: specifies the "divider" characters used for the dividing line
   between vertical/horizontal splits. The first character is for vertical
@ -134,13 +127,7 @@ Here are the available options:
 * `eofnewline`: micro will automatically add a newline to the end of the
   file if one does not exist.
-    default value: `true`
+	default value: `true`
 * `fakecursor`: forces micro to render the cursor using terminal colors rather
   than the actual terminal cursor. This is useful when the terminal's cursor is
   slow or otherwise unavailable/undesirable to use.
    default value: `false`
 * `fastdirty`: this determines what kind of algorithm micro uses to determine
   if a buffer is modified or not. When `fastdirty` is on, micro just uses a
@ -151,7 +138,7 @@ Here are the available options:
   intensive. This option will be automatically disabled if the file size
   exceeds 50KB.
-    default value: `false`
+	default value: `false`
 * `fileformat`: this determines what kind of line endings micro will use for
   the file. Unix line endings are just `\n` (linefeed) whereas dos line
@ -164,12 +151,12 @@ Here are the available options:
   an effect if the file is empty/newly created, because otherwise the fileformat
   will be automatically detected from the existing line endings.
-    default value: `unix` on Unix systems, `dos` on Windows
+	default value: `unix`
 * `filetype`: sets the filetype for the current buffer. Set this option to
-   `off` to completely disable filetype detection.
+  `off` to completely disable filetype detection.
-    default value: `unknown`. This will be automatically overridden depending
+	default value: `unknown`. This will be automatically overridden depending
    on the file you open.
 * `hlsearch`: highlight all instances of the searched text after a successful
@ -179,70 +166,49 @@ Here are the available options:
   change the `hlsearch` setting. As long as `hlsearch` is set to true, the next
   search will have the highlighting turned on again.
-    default value: `false`
+	default value: `false`
 * `hltaberrors`: highlight tabs when spaces are expected, and spaces when tabs
   are expected. More precisely: if `tabstospaces` option is on, highlight
   all tab characters; if `tabstospaces` is off, highlight space characters
   in the initial indent part of the line.
    default value: `false`
 * `hltrailingws`: highlight trailing whitespaces at ends of lines. Note that
   it doesn't highlight newly added trailing whitespaces that naturally occur
   while typing text. It highlights only nasty forgotten trailing whitespaces.
    default value: `false`
 * `incsearch`: enable incremental search in "Find" prompt (matching as you type).
-    default value: `true`
+	default value: `true`
 * `ignorecase`: perform case-insensitive searches.
-    default value: `true`
+	default value: `true`
 * `indentchar`: sets the indentation character. This will not be inserted into
-   files; it is only a visual indicator that whitespace is present. If set to a
+  files; it is only a visual indicator that whitespace is present. If set to a
-   printing character, it functions as a subset of the "show invisibles"
+  printing character, it functions as a subset of the "show invisibles"
-   setting available in many other text editors. The color of this character is
+  setting available in many other text editors. The color of this character is
-   determined by the `indent-char` field in the current theme rather than the
+  determined by the `indent-char` field in the current theme rather than the
-   default text color.
+  default text color.
-    default value: ` ` (space)
+	default value: ` ` (space)
 * `infobar`: enables the line at the bottom of the editor where messages are
   printed. This option is `global only`.
-    default value: `true`
+	default value: `true`
 * `keepautoindent`: when using autoindent, whitespace is added for you. This
   option determines if when you move to the next line without any insertions
   the whitespace that was added should be deleted to remove trailing
-   whitespace. By default, the autoindent whitespace is deleted if the line
+   whitespace.  By default, the autoindent whitespace is deleted if the line
   was left empty.
-    default value: `false`
+	default value: `false`
 * `keymenu`: display the nano-style key menu at the bottom of the screen. Note
   that ToggleKeyMenu is bound to `Alt-g` by default and this is displayed in
-   the statusline. To disable the key binding, bind `Alt-g` to `None`.
+   the statusline. To disable this, simply by `Alt-g` to `UnbindKey`.
-    default value: `false`
+	default value: `false`
-* `matchbrace`: show matching braces for '()', '{}', '[]' when the cursor
+* `matchbrace`: underline matching braces for '()', '{}', '[]' when the cursor
-   is on a brace character or next to it.
+   is on a brace character.
    default value: `true`
 * `matchbracestyle`: whether to underline or highlight matching braces when
   `matchbrace` is enabled. The color of highlight is determined by the `match-brace`
   field in the current theme. Possible values:
    * `underline`: underline matching braces.
    * `highlight`: use `match-brace` style from the current theme.
    default value: `underline`
 * `mkparents`: if a file is opened on a path that does not exist, the file
   cannot be saved because the parent directories don't exist. This option lets
   micro automatically create the parent directories in such a situation.
@ -255,7 +221,7 @@ Here are the available options:
   example, because the terminal has access to the local clipboard and micro
   does not).
-    default value: `true`
+	default value: `true`
 * `multiopen`: specifies how to layout multiple files opened at startup.
   Most useful as a command-line option, like `-multiopen vsplit`. Possible
@ -264,11 +230,11 @@ Here are the available options:
    * `vsplit`: open files side-by-side.
    * `hsplit`: open files stacked top to bottom.
-    default value: `tab`
+	default value: `tab`
 * `paste`: treat characters sent from the terminal in a single chunk as a paste
   event rather than a series of manual key presses. If you are pasting using
-   the terminal keybinding (not `Ctrl-v`, which is micro's default paste
+   the terminal keybinding (not Ctrl-v, which is micro's default paste
   keybinding) then it is a good idea to enable this option during the paste
   and disable once the paste is over. See `> help copypaste` for details about
   copying and pasting in a terminal environment.
@ -309,34 +275,26 @@ Here are the available options:
    default value: `false`
 * `reload`: controls the reload behavior of the current buffer in case the file
   has changed. The available options are `prompt`, `auto` & `disabled`.
   default value: `prompt`
 * `rmtrailingws`: micro will automatically trim trailing whitespaces at ends of
-   lines.
+   lines. Note: This setting overrides `keepautoindent`
   Note: This setting overrides `keepautoindent` and isn't used at timed `autosave`
   or forced `autosave` in case the buffer didn't change. A manual save will
   involve the action regardless if the buffer has been changed or not.
-    default value: `false`
+	default value: `false`
 * `ruler`: display line numbers.
-    default value: `true`
+	default value: `true`
 * `relativeruler`: make line numbers display relatively. If set to true, all
   lines except for the line that the cursor is located will display the distance
-   from the cursor's line.
+   from the cursor's line. 
-    default value: `false`
+	default value: `false` 
 * `savecursor`: remember where the cursor was last time the file was opened and
   put it there when you open the file again. Information is saved to
   `~/.config/micro/buffers/`
-    default value: `false`
+	default value: `false`
 * `savehistory`: remember command history between closing and re-opening
   micro. Information is saved to `~/.config/micro/buffers/history`.
@ -347,44 +305,40 @@ Here are the available options:
   so if you close and reopen a file, you can keep undoing. Information is
   saved to `~/.config/micro/buffers/`.
-    default value: `false`
+	default value: `false`
 * `scrollbar`: display a scroll bar
    default value: `false`
 * `scrollbarchar`: specifies the character used for displaying the scrollbar
    default value: `|`
 * `scrollmargin`: margin at which the view starts scrolling when the cursor
   approaches the edge of the view.
-    default value: `3`
+	default value: `3`
 * `scrollspeed`: amount of lines to scroll for one scroll event.
-    default value: `2`
+	default value: `2`
 * `smartpaste`: add leading whitespace when pasting multiple lines.
   This will attempt to preserve the current indentation level when pasting an
   unindented block.
-    default value: `true`
+	default value: `true`
 * `softwrap`: wrap lines that are too long to fit on the screen.
-    default value: `false`
+	default value: `false`
 * `splitbottom`: when a horizontal split is created, create it below the
   current split.
-    default value: `true`
+	default value: `true`
 * `splitright`: when a vertical split is created, create it to the right of the
   current split.
-    default value: `true`
+	default value: `true`
 * `statusformatl`: format string definition for the left-justified part of the
   statusline. Special directives should be placed inside `$()`. Special
@ -403,36 +357,36 @@ Here are the available options:
 * `statusline`: display the status line at the bottom of the screen.
-    default value: `true`
+	default value: `true`
 * `sucmd`: specifies the super user command. On most systems this is "sudo" but
   on BSD it can be "doas." This option can be customized and is only used when
   saving with su.
-    default value: `sudo`
+	default value: `sudo`
 * `syntax`: enables syntax highlighting.
-    default value: `true`
+	default value: `true`
 * `tabmovement`: navigate spaces at the beginning of lines as if they are tabs
   (e.g. move over 4 spaces at once). This option only does anything if
   `tabstospaces` is on.
-    default value: `false`
+	default value: `false`
 * `tabhighlight`: inverts the tab characters' (filename, save indicator, etc)
-   colors with respect to the tab bar.
+  colors with respect to the tab bar.
-    default value: false
+	default value: false
 * `tabreverse`: reverses the tab bar colors when active.
-    default value: true
+	default value: true
 * `tabsize`: the size in spaces that a tab character should be displayed with.
-    default value: `4`
+	default value: `4`
 * `tabstospaces`: use spaces instead of tabs. Note: This option will be
   overridden by [the `ftoptions` plugin](https://github.com/zyedidia/micro/blob/master/runtime/plugins/ftoptions/ftoptions.lua)
@ -440,25 +394,25 @@ Here are the available options:
   your config. See [issue #2213](https://github.com/zyedidia/micro/issues/2213)
   for more details.
-    default value: `false`
+	default value: `false`
 * `useprimary` (only useful on unix): defines whether or not micro will use the
   primary clipboard to copy selections in the background. This does not affect
-   the normal clipboard using `Ctrl-c` and `Ctrl-v`.
+   the normal clipboard using Ctrl-c and Ctrl-v.
-    default value: `true`
+	default value: `true`
 * `wordwrap`: wrap long lines by words, i.e. break at spaces. This option
   only does anything if `softwrap` is on.
-    default value: `false`
+	default value: `false`
 * `xterm`: micro will assume that the terminal it is running in conforms to
  `xterm-256color` regardless of what the `$TERM` variable actually contains.
   Enabling this option may cause unwanted effects if your terminal in fact
   does not conform to the `xterm-256color` standard.
-    default value: `false`
+    Default value: `false`
 ---
@ -481,7 +435,7 @@ or disable them:
   recent Git commit rather than the diff since opening the file.
 Any option you set in the editor will be saved to the file
-~/.config/micro/settings.json so, in effect, your configuration file will be
+~/.config/micro/settings.json so, in effect, your configuration file will be 
 created for you. If you'd like to take your configuration with you to another
 machine, simply copy the settings.json to the other machine.
@ -526,7 +480,6 @@ so that you can see what the formatting should look like.
    "linter": true,
    "literate": true,
    "matchbrace": true,
    "matchbracestyle": "underline",
    "mkparents": false,
    "mouse": true,
    "parsecursor": false,
@ -583,14 +536,14 @@ all files except Go files, and `tabsize` 4 for all files except Ruby files:
 ```json
 {
-    "ft:go": {
+	"ft:go": {
-        "tabstospaces": false
+		"tabstospaces": false
-    },
+	},
-    "ft:ruby": {
+	"ft:ruby": {
-        "tabsize": 2
+		"tabsize": 2
-    },
+	},
-    "tabstospaces": true,
+	"tabstospaces": true,
-    "tabsize": 4
+	"tabsize": 4
 }
 ```
@ -598,13 +551,13 @@ Or similarly you can match with globs:
 ```json
 {
-    "*.go": {
+	"*.go": {
-        "tabstospaces": false
+		"tabstospaces": false
-    },
+	},
-    "*.rb": {
+	"*.rb": {
-        "tabsize": 2
+		"tabsize": 2
-    },
+	},
-    "tabstospaces": true,
+	"tabstospaces": true,
-    "tabsize": 4
+	"tabsize": 4
 }
 ```
--- a/runtime/help/plugins.md
+++ b/runtime/help/plugins.md
@ -5,8 +5,7 @@ folders containing Lua files and possibly other source files placed
 in `~/.config/micro/plug`. The plugin directory (within `plug`) should
 contain at least one Lua file and a `repo.json` file. The `repo.json` file
 provides additional information such as the name of the plugin, the
-plugin's website, dependencies, etc...
+plugin's website, dependencies, etc... [Here is an example `repo.json` file](https://github.com/micro-editor/updated-plugins/blob/master/go-plugin/repo.json)
 [Here is an example `repo.json` file](https://github.com/micro-editor/updated-plugins/blob/master/go-plugin/repo.json)
 from the go plugin, which has the following file structure:
 ```
@ -57,8 +56,6 @@ which micro defines:
 * `onBufPaneOpen(bufpane)`: runs when a bufpane is opened. The input
   contains the bufpane object.
 * `onSetActive(bufpane)`: runs when changing the currently active bufpane.
 * `onAction(bufpane)`: runs when `Action` is triggered by the user, where
   `Action` is a bindable action (see `> help keybindings`). A bufpane
   is passed as input and the function should return a boolean defining
@ -68,14 +65,6 @@ which micro defines:
   by the user. Returns a boolean which defines whether the action should
   be canceled.
 * `onRune(bufpane, rune)`: runs when the composed rune has been inserted
 * `preRune(bufpane, rune)`: runs before the composed rune will be inserted
 * `onAnyEvent()`: runs when literally anything happens. It is useful for
   detecting various changes of micro's state that cannot be detected
   using other callbacks.
 For example a function which is run every time the user saves the buffer
 would be:
@ -87,7 +76,7 @@ end
 ```
 The `bp` variable is a reference to the bufpane the action is being executed
-within. This is almost always the current bufpane.
+within.  This is almost always the current bufpane.
 All available actions are listed in the keybindings section of the help.
@ -126,104 +115,99 @@ The packages and functions are listed below (in Go type signatures):
       current pane is not a BufPane.
    - `CurTab() *Tab`: returns the current tab.
    - `After(t time.Duration, f func())`: run function `f` in the background
       after time `t` elapses. See https://pkg.go.dev/time#Duration for the
       usage of `time.Duration`.
 * `micro/config`
-    - `MakeCommand(name string, action func(bp *BufPane, args[]string),
+	- `MakeCommand(name string, action func(bp *BufPane, args[]string),
                   completer buffer.Completer)`:
       create a command with the given name, and lua callback function when
       the command is run. A completer may also be given to specify how
       autocompletion should work with the custom command.
-    - `FileComplete`: autocomplete using files in the current directory
+	- `FileComplete`: autocomplete using files in the current directory
-    - `HelpComplete`: autocomplete using names of help documents
+	- `HelpComplete`: autocomplete using names of help documents
-    - `OptionComplete`: autocomplete using names of options
+	- `OptionComplete`: autocomplete using names of options
-    - `OptionValueComplete`: autocomplete using names of options, and valid
+	- `OptionValueComplete`: autocomplete using names of options, and valid
       values afterwards
-    - `NoComplete`: no autocompletion suggestions
+	- `NoComplete`: no autocompletion suggestions
-    - `TryBindKey(k, v string, overwrite bool) (bool, error)`: bind the key
+	- `TryBindKey(k, v string, overwrite bool) (bool, error)`: bind the key
       `k` to the string `v` in the `bindings.json` file.  If `overwrite` is
       true, this will overwrite any existing binding to key `k`. Returns true
       if the binding was made, and a possible error (for example writing to
       `bindings.json` can cause an error).
-    - `Reload()`: reload configuration files.
+	- `Reload()`: reload configuration files.
-    - `AddRuntimeFileFromMemory(filetype RTFiletype, filename, data string)`:
+	- `AddRuntimeFileFromMemory(filetype RTFiletype, filename, data string)`:
       add a runtime file to the `filetype` runtime filetype, with name
       `filename` and data `data`.
-    - `AddRuntimeFilesFromDirectory(plugin string, filetype RTFiletype,
+	- `AddRuntimeFilesFromDirectory(plugin string, filetype RTFiletype,
                                    directory, pattern string)`:
       add runtime files for the given plugin with the given RTFiletype from
       a directory within the plugin root. Only adds files that match the
       pattern using Go's `filepath.Match`
-    - `AddRuntimeFile(plugin string, filetype RTFiletype, filepath string)`:
+	- `AddRuntimeFile(plugin string, filetype RTFiletype, filepath string)`:
       add a given file inside the plugin root directory as a runtime file
       to the given RTFiletype category.
-    - `ListRuntimeFiles(fileType RTFiletype) []string`: returns a list of
+	- `ListRuntimeFiles(fileType RTFiletype) []string`: returns a list of
       names of runtime files of the given type.
-    - `ReadRuntimeFile(fileType RTFiletype, name string) string`: returns the
+	- `ReadRuntimeFile(fileType RTFiletype, name string) string`: returns the
       contents of a given runtime file.
-    - `NewRTFiletype() int`: creates a new RTFiletype, and returns its value.
+	- `NewRTFiletype() int`: creates a new RTFiletype, and returns its value.
-    - `RTColorscheme`: runtime files for colorschemes.
+	- `RTColorscheme`: runtime files for colorschemes.
-    - `RTSyntax`: runtime files for syntax files.
+	- `RTSyntax`: runtime files for syntax files.
-    - `RTHelp`: runtime files for help documents.
+	- `RTHelp`: runtime files for help documents.
-    - `RTPlugin`: runtime files for plugin source code.
+	- `RTPlugin`: runtime files for plugin source code.
-    - `RegisterCommonOption(pl string, name string, defaultvalue interface{})`:
+	- `RegisterCommonOption(pl string, name string, defaultvalue interface{})`:
       registers a new option with for the given plugin. The name of the
       option will be `pl.name`, and will have the given default value. Since
       this registers a common option, the option will be modifiable on a
       per-buffer basis, while also having a global value (in the
       GlobalSettings map).
-    - `RegisterGlobalOption(pl string, name string, defaultvalue interface{})`:
+	- `RegisterGlobalOption(pl string, name string, defaultvalue interface{})`:
       same as `RegisterCommonOption` but the option cannot be modified
       locally to each buffer.
-    - `GetGlobalOption(name string) interface{}`: returns the value of a
+	- `GetGlobalOption(name string) interface{}`: returns the value of a
       given plugin in the `GlobalSettings` map.
-    - `SetGlobalOption(option, value string) error`: sets an option to a
+	- `SetGlobalOption(option, value string) error`: sets an option to a
       given value. Same as using the `> set` command. This will parse the
       value to the actual value type.
-    - `SetGlobalOptionNative(option string, value interface{}) error`: sets
+	- `SetGlobalOptionNative(option string, value interface{}) error`: sets
       an option to a given value, where the type of value is the actual
       type of the value internally.
 * `micro/shell`
-    - `ExecCommand(name string, arg ...string) (string, error)`: runs an
+	- `ExecCommand(name string, arg ...string) (string, error)`: runs an
       executable with the given arguments, and pipes the output (stderr
       and stdout) of the executable to an internal buffer, which is
       returned as a string, along with a possible error.
-    - `RunCommand(input string) (string, error)`: same as `ExecCommand`,
+	- `RunCommand(input string) (string, error)`: same as `ExecCommand`,
       except this uses micro's argument parser to parse the arguments from
       the input. For example `cat 'hello world.txt' file.txt`, will pass
       two arguments in the `ExecCommand` argument list (quoting arguments
       will preserve spaces).
-    - `RunBackgroundShell(input string) (func() string, error)`: returns a
+	- `RunBackgroundShell(input string) (func() string, error)`: returns a
       function that will run the given shell command and return its output.
-    - `RunInteractiveShell(input string, wait bool, getOutput bool)
+	- `RunInteractiveShell(input string, wait bool, getOutput bool)
                          (string, error)`:
       temporarily closes micro and runs the given command in the terminal.
       If `wait` is true, micro will wait for the user to press enter before
       returning to text editing. If `getOutput` is true, micro redirect
       stdout from the command to the returned string.
-    - `JobStart(cmd string, onStdout, onStderr,
+	- `JobStart(cmd string, onStdout, onStderr,
                onExit func(string, []interface{}), userargs ...interface{})
                *exec.Cmd`:
       Starts a background job by running the shell on the given command
@ -232,16 +216,16 @@ The packages and functions are listed below (in Go type signatures):
       be passed to the callbacks, along with the output as the first
       argument of the callback.
-    - `JobSpawn(cmd string, cmdArgs []string, onStdout, onStderr,
+	- `JobSpawn(cmd string, cmdArgs []string, onStdout, onStderr,
                onExit func(string, []interface{}), userargs ...interface{})
                *exec.Cmd`:
       same as `JobStart`, except doesn't run the command through the shell
       and instead takes as inputs the list of arguments.
-    - `JobStop(cmd *exec.Cmd)`: kills a job.
+	- `JobStop(cmd *exec.Cmd)`: kills a job.
-    - `JobSend(cmd *exec.Cmd, data string)`: sends some data to a job's stdin.
+	- `JobSend(cmd *exec.Cmd, data string)`: sends some data to a job's stdin.
-    - `RunTermEmulator(h *BufPane, input string, wait bool, getOutput bool,
+	- `RunTermEmulator(h *BufPane, input string, wait bool, getOutput bool,
                       callback func(out string, userargs []interface{}),
                       userargs []interface{}) error`:
       starts a terminal emulator from a given BufPane with the input command.
@ -252,7 +236,7 @@ The packages and functions are listed below (in Go type signatures):
       optional user arguments. This function returns an error on systems
       where the terminal emulator is not supported.
-    - `TermEmuSupported`: true on systems where the terminal emulator is
+	- `TermEmuSupported`: true on systems where the terminal emulator is
       supported and false otherwise. Supported systems:
        * Linux
        * MacOS
@ -377,7 +361,6 @@ strings
 regexp
 errors
 time
 unicode/utf8
 archive/zip
 net/http
 ```
--- a/runtime/plugins/autoclose/autoclose.lua
+++ b/runtime/plugins/autoclose/autoclose.lua
@ -50,11 +50,11 @@ function preInsertNewline(bp)
    for i = 1, #autoNewlinePairs do
        if curRune == charAt(autoNewlinePairs[i], 1) then
            if nextRune == charAt(autoNewlinePairs[i], 2) then
                bp:InsertNewline()
                bp:InsertTab()
                bp.Buf:Insert(-bp.Cursor.Loc, "\n" .. ws)
                bp:StartOfLine()
                bp:CursorLeft()
                bp:InsertNewline()
                bp:InsertTab()
                return false
            end
        end
--- a/runtime/plugins/comment/comment.lua
+++ b/runtime/plugins/comment/comment.lua
@ -7,7 +7,7 @@ local buffer = import("micro/buffer")
 local ft = {}
 ft["apacheconf"] = "# %s"
-ft["batch"] = ":: %s"
+ft["bat"] = ":: %s"
 ft["c"] = "// %s"
 ft["c++"] = "// %s"
 ft["cmake"] = "# %s"
@ -63,7 +63,7 @@ ft["zsh"] = "# %s"
 local last_ft
 function updateCommentType(buf)
-    if buf.Settings["commenttype"] == nil or (last_ft ~= buf.Settings["filetype"] and last_ft ~= nil) then
+    if buf.Settings["commenttype"] == nil or last_ft ~= buf.Settings["filetype"] then
        if ft[buf.Settings["filetype"]] ~= nil then
            buf.Settings["commenttype"] = ft[buf.Settings["filetype"]]
        else
--- a/runtime/plugins/comment/help/comment.md
+++ b/runtime/plugins/comment/help/comment.md
@ -8,7 +8,7 @@ file:
 ```json
 {
-    "Alt-g": "lua:comment.comment"
+    "Alt-g": "comment.comment"
 }
 ```
--- a/runtime/runtime.go
+++ b/runtime/runtime.go
@ -22,7 +22,7 @@ func AssetDir(name string) ([]string, error) {
 	if err != nil {
 		return nil, err
 	}
-	names := make([]string, len(entries))
+	names := make([]string, len(entries), len(entries))
 	for i, entry := range entries {
 		names[i] = entry.Name()
 	}
--- a/runtime/runtime_test.go
+++ b/runtime/runtime_test.go
@ -1,16 +0,0 @@
 package config
 import (
 	"testing"
 	"github.com/stretchr/testify/assert"
 )
 func TestAssetDir(t *testing.T) {
 	t.Parallel()
 	// Test AssetDir
 	entries, err := AssetDir("syntax")
 	assert.NoError(t, err)
 	assert.Contains(t, entries, "go.yaml")
 	assert.True(t, len(entries) > 5)
 }
--- a/runtime/syntax/PowerShell.yaml
+++ b/runtime/syntax/PowerShell.yaml
@ -5,6 +5,7 @@ filetype: powershell
 detect:
    filename: "\\.ps(1|m1|d1)$"
    #header: ""
 rules:
    # - comment.block:           # Block Comment
--- a/runtime/syntax/README.md
+++ b/runtime/syntax/README.md
@ -2,8 +2,7 @@
 Here are micro's syntax files.
-Each yaml file specifies how to detect the filetype based on file extension or header (first line of the line).
+Each yaml file specifies how to detect the filetype based on file extension or headers (first line of the file).
 In addition, a signature can be provided to help resolving ambiguities when multiple matching filetypes are detected.
 Then there are patterns and regions linked to highlight groups which tell micro how to highlight that filetype.
 Making your own syntax files is very simple. I recommend you check the file after you are finished with the
@ -22,7 +21,7 @@ syntax files that you would like to convert to the new filetype, you can use the
 $ go run syntax_converter.go c.micro > c.yaml
 ```
-Most of the syntax files here have been converted using that tool.
+Most the the syntax files here have been converted using that tool.
 Note that the tool isn't perfect and though it is unlikely, you may run into some small issues that you will have to fix manually
 (about 4 files from this directory had issues after being converted).
--- a/runtime/syntax/ada.yaml
+++ b/runtime/syntax/ada.yaml
@ -3,7 +3,7 @@ filetype: ada
 detect:
    filename: "(\\.ads$|\\.adb$|\\.ada$)"
-rules:
+rules:   
    # Operators
    - symbol.operator: ([.:;,+*|=!?\\%]|<|>|/|-|&)
    - symbol.brackets: "[(){}]|\\[|\\]"
@ -18,11 +18,11 @@ rules:
    # Constant
    - constant.bool: \b(TRUE|FALSE)
    - constant.number: ([0-9]+)
-
+    
    # Storage Types
    - type.storage: \b(INTEGER|NATURAL|POSITIVE|FLOAT|CHARACTER|STRING)\b
    - type.storage: \b(LONG_INTEGER|SHORT_INTEGER|LONG_FLOAT|SHORT_FLOAT)\b
-
+    
    #Character
    - constant.string.char: \'.\'
@ -36,8 +36,9 @@ rules:
            - constant.interpolation: \\\([[:graph:]]*\)
            - constant.unicode: \\u\{[[:xdigit:]]+}
    # Line Comment
    - comment.line: "--.*"
-
+    
    # Todo
    - todo: "(TODO|XXX|FIXME):?"
--- a/runtime/syntax/arduino.yaml
+++ b/runtime/syntax/arduino.yaml
@ -4,9 +4,9 @@ detect:
    filename: "\\.?ino$"
 rules:
-    - identifier: "\\b[A-Z_][0-9A-Z_]+\\b"
+    - identifier: "\\b[A-Z_][0-9A-Z_]+\\b" 
-      ## Sized (u)int types
+      ## 
    - type: "\\b((s?size)|((u_?)?int(8|16|32|64|ptr)))_t\\b"
      ## Constants
@ -33,7 +33,7 @@ rules:
    - type: "\\b(boolean|byte|char|float|int|long|word)\\b"
      ## Control Structions
-    - statement: "\\b(case|class|default|do|double|else|false|for|if|new|null|private|protected|public|short|signed|static|String|switch|this|throw|try|true|unsigned|void|while)\\b"
+    - statement: "\\b(case|class|default|do|double|else|false|for|if|new|null|private|protected|public|short|signed|static|String|switch|this|throw|try|true|unsigned|void|while)\\b" 
    - statement: "\\b(goto|continue|break|return)\\b"
      ## Math
@ -66,7 +66,7 @@ rules:
      ## Structure
    - identifier: "\\b(setup|loop)\\b"
-      ##
+      ## 
    - statement: "^[[:space:]]*#[[:space:]]*(define|include(_next)?|(un|ifn?)def|endif|el(if|se)|if|warning|error|pragma)"
      ## GCC builtins
--- a/runtime/syntax/asciidoc.yaml
+++ b/runtime/syntax/asciidoc.yaml
@ -28,7 +28,7 @@ rules:
      # Paragraph Title
    - statement: "^\\..*$"
-      # source
+      # source 
    - identifier: "^\\[(source,.+|NOTE|TIP|IMPORTANT|WARNING|CAUTION)\\]"
      # Other markup
--- a/runtime/syntax/bat.yaml
+++ b/runtime/syntax/bat.yaml
@ -1,7 +1,8 @@
 filetype: batch
 detect:
-  filename: "(\\.bat$|\\.cmd$)"
+  filename: "(\\.bat$)"
  # header: ""
 rules:
  # Numbers
--- a/runtime/syntax/c.yaml
+++ b/runtime/syntax/c.yaml
@ -5,22 +5,19 @@ detect:
 rules:
    - identifier: "\\b[A-Z_][0-9A-Z_]+\\b"
-    - type: "\\b(_Atomic|_BitInt|float|double|_Decimal32|_Decimal64|_Decimal128|_Complex|complex|_Imaginary|imaginary|_Bool|bool|char|int|short|long|enum|void|struct|union|typedef|typeof|typeof_unqual|(un)?signed|inline|_Noreturn)\\b"
+    - type: "\\b(auto|float|double|char|int|short|long|sizeof|enum|void|static|const|struct|union|typedef|extern|(un)?signed|inline)\\b"
-    - type: "\\b((s?size)|((u_?)?int(8|16|32|64|ptr))|char(8|16|32)|wchar)_t\\b"
+    - type: "\\b((s?size)|((u_?)?int(8|16|32|64|ptr)))_t\\b"
      # GCC float/decimal/fixed types
    - type: "\\b(_Float16|__fp16|_Float32|_Float32x|_Float64|_Float64x|__float80|_Float128|_Float128x|__float128|__ibm128|__int128|_Fract|_Sat|_Accum)\\b"
    - type: "\\b[a-z_][0-9a-z_]+(_t|_T)\\b"
-    - statement: "\\b(auto|volatile|register|restrict|_Alignas|alignas|_Alignof|alignof|static|const|constexpr|extern|_Thread_local|thread_local)\\b"
+    - type.extended: "\\b(bool)\\b"
-    - statement: "\\b(for|if|while|do|else|case|default|switch|_Generic|_Static_assert|static_assert)\\b"
+    - statement: "\\b(volatile|register|restrict)\\b"
    - statement: "\\b(for|if|while|do|else|case|default|switch)\\b"
    - statement: "\\b(goto|continue|break|return)\\b"
-    - statement: "\\b(asm|fortran)\\b"
+    - preproc: "^[[:space:]]*#[[:space:]]*(define|pragma|include|(un|ifn?)def|endif|el(if|se)|if|warning|error)"
    - preproc: "^[[:space:]]*#[[:space:]]*(define|embed|pragma|include|(un|ifn?)def|endif|el(if|ifdef|ifndef|se)|if|line|warning|error|__has_include|__has_embed|__has_c_attribute)"
    - preproc: "^[[:space:]]*_Pragma\\b"
      # GCC builtins
    - statement: "__attribute__[[:space:]]*\\(\\([^)]*\\)\\)"
-    - statement: "__(aligned|asm|builtin|extension|hidden|inline|packed|restrict|section|typeof|weak)__"
+    - statement: "__(aligned|asm|builtin|hidden|inline|packed|restrict|section|typeof|weak)__"
      # Operator Color
-    - symbol.operator: "[-+*/%=<>.:;,~&|^!?]|\\b(offsetof|sizeof)\\b"
+    - symbol.operator: "([.:;,+*|=!\\%]|<|>|/|-|&)"
    - symbol.brackets: "[(){}]|\\[|\\]"
      # Integer Constants
    - constant.number: "(\\b([1-9][0-9]*|0[0-7]*|0[Xx][0-9A-Fa-f]+|0[Bb][01]+)([Uu][Ll]?[Ll]?|[Ll][Ll]?[Uu]?)?\\b)"
@ -28,7 +25,7 @@ rules:
    - constant.number: "(\\b(([0-9]*[.][0-9]+|[0-9]+[.][0-9]*)([Ee][+-]?[0-9]+)?|[0-9]+[Ee][+-]?[0-9]+)[FfLl]?\\b)"
      # Hexadecimal Floating Constants
    - constant.number: "(\\b0[Xx]([0-9A-Za-z]*[.][0-9A-Za-z]+|[0-9A-Za-z]+[.][0-9A-Za-z]*)[Pp][+-]?[0-9]+[FfLl]?\\b)"
-    - constant.bool: "(\\b(true|false|NULL|nullptr|TRUE|FALSE)\\b)"
+    - constant.number: "NULL"
    - constant.string:
        start: "\""
@ -56,4 +53,3 @@ rules:
        end: "\\*/"
        rules:
            - todo: "(TODO|XXX|FIXME):?"
--- a/runtime/syntax/cake.yaml
+++ b/runtime/syntax/cake.yaml
@ -1,7 +0,0 @@
 filetype: cake
 detect:
    filename: "\\.cake$"
 rules:
    - include: "csharp"
    - preproc: "^[[:space:]]*#(addin|break|l|load|module|r|reference|tool)"
--- a/Show more
+++ b/Show more