Update documentation

1 files changed, 128 insertions, 17 deletions

diff --git a/doc/config.md b/doc/config.md
index bfb1ee7c..dcd88b79 100644
--- a/doc/config.md
+++ b/doc/config.md
@@ -9,18 +9,33 @@ configuration.
 
 A list of configurable options follows.
 
-## General
+## External
 
-General options must be placed in a section called `[general]`.
+External options must be placed in a section called `[external]`.
 
-Following is a list of general options:
+Following is a list of external options:
 
 <table>
-<tr><th>**Name**<th>**Value**<th>**Function**
-<tr><td>double-width-ambiguous<td>boolean
-<td>Assume the terminal displays characters in the East Asian Ambiguous
-category as double-width characters. If you don't know what this means, you
-probably won't need to enable it.
+
+<tr>
+<th>**Name**</th>
+<th>**Value**</th>
+<th>**Function**</th>
+</tr>
+
+<tr>
+<td>tmpdir</td>
+<td>path</td>
+<td>Directory used to save temporary files.</td>
+</tr>
+
+<tr>
+<td>editor</td>
+<td>shell command</td>
+<td>External editor command. %s is substituted for the file name, %d for
+the line number.</td>
+</tr>
+
 </table>
 
 ## Display
@@ -30,10 +45,105 @@ Display options must be placed in a section called `[display]`.
 Following is a list of display options:
 
 <table>
-<tr><th>**Name**<th>**Value**<th>**Function**
-<tr><td>mark-color<td>color<td>Set the marker's color. Valid options are
-"black", "red", "green", "yellow", "blue", "magenta", "cyan", "white",
-"terminal".
+
+<tr>
+<th>**Name**</th>
+<th>**Value**</th>
+<th>**Function**</th>
+</tr>
+
+<tr>
+<td>color-mode</td>
+<td>"monochrome"/"ansi"/"8bit"/"24bit"/"auto"</td>
+<td>Set the color mode. "auto" for automatic detection, "monochrome"</td>
+for black on white, "ansi" for ansi colors, "24bit" for true colors. "8bit"
+is currently unimplemented (and fallbacks to ansi).</td>
+</tr>
+
+<tr>
+<td>format-mode</td>
+<td>"auto"/["bold", "italic", "underline", "reverse", "strike", "overline",
+"blink"]</td>
+<td>Specifies output formatting modes. Accepts the string "auto" or an array
+of specific attributes. An empty array (`[]`) disables formatting
+completely.</td>
+</tr>
+
+<tr>
+<td>no-format-mode
+<td>["bold", "italic", "underline", "reverse", "strike", "overline", "blink"]
+<td>Disable specified formatting modes.</td>
+</tr>
+
+<tr>
+<td>emulate-overline</td>
+<td>boolean</td>
+<td>When set to true and the overline formatting attribute is not enabled,
+overlines are substituted by underlines on the previous line.</td>
+</tr>
+
+<tr>
+<td>alt-screen</td>
+<td>"auto"/boolean</td>
+<td>Enable/disable the alternative screen.</td>
+</tr>
+
+<tr>
+<td>highlight-color</td>
+<td>color</td>
+<td>Set the highlight color. Both hex values and CSS color names are
+accepted.</td>
+</tr>
+
+<tr>
+<td>double-width-ambiguous</td>
+<td>boolean</td>
+<td>Assume the terminal displays characters in the East Asian Ambiguous
+category as double-width characters. Useful when e.g. ○ occupies two
+cells.</td>
+</tr>
+
+<tr>
+<td>minimum-contrast</td>
+<td>number</td>
+<td>Specify the minimum number of euclidian distance of the background and
+foreground colors on the RGB plane. -1 disables this function (i.e. allows
+black letters on black background, etc).</td>
+</tr>
+
+<tr>
+<td>force-clear</td>
+<td>boolean</td>
+<td>Force the screen to be completely cleared every time it is redrawn.</td>
+</tr>
+
+</table>
+
+## Siteconf
+
+Configuration options can be specified for individual sites. Each entry must
+be in the table array `[[siteconf]]`.
+
+<table>
+
+<tr>
+<th>**Name**</th>
+<th>**Value**</th>
+<th>**Function**</th>
+</tr>
+
+<tr>
+<td>url</td>
+<td>regex</td>
+<td>Regular expression used to match the URL.</td>
+</tr>
+
+<tr>
+<td>substitute_url</td>
+<td>JS function</td>
+<td>A JavaScript function returning the substituted url.</td>
+</tr>
+
 </table>
 
 ## Stylesheets
@@ -45,7 +155,7 @@ There are two ways to import user stylesheets:
 1. Include a user stylesheet using the format `include = 'path-to-user.css'`.
    To include multiple stylesheets, use `include = ['first-stylesheet.css,
    second-stylesheet.css']`.  
-   Relative paths are interpreted as relative to the config directory.
+   Relative paths are interpreted relative to the config directory.
 
 2. Place your stylesheet directly in your configuration file using `inline =
    """your-style"""`.  
@@ -54,7 +164,7 @@ There are two ways to import user stylesheets:
 
 Keybindings must be placed in these sections:
 
-* for page browsing: `[page]`
+* for pager interaction: `[page]`
 * for line editing: `[line]`
 
 Keybindings are configured using the syntax
@@ -66,9 +176,6 @@ modifiers. Modifiers are the prefixes `C-` and `M-`, which add control or
 escape to the keybinding respectively (essentially making `M-` the same as
 `C-[`). Modifiers can be escaped with the `\` sign.
 
-(Note: it is highly recommended to use single quotes here; escaping can get
-quite ugly with double quotes.)
-
 ```Examples:
 'C-M-j' = 'pager.changeLocation()' # change URL when Control, Escape and j are pressed
 'gg' = 'pager.cursorFirstLine()' # go to the first line of the page when g is pressed twice
@@ -121,6 +228,8 @@ is typed in. A list of built-in pager functions can be found below.
 <tr><td>`pager.isearchBackward()`<td>Search and highlight the first result, backwards
 <tr><td>`pager.searchPrev()`<td>Jump to the next search result
 <tr><td>`pager.searchNext()`<td>Jump to the previous search result
+<tr><td>`pager.peek()`<td>Display an alert of the current URL
+<tr><td>`pager.peekCursor()`<td>Display an alert of the URL under the cursor
 </table>
 
 ### Line-editing actions
@@ -142,6 +251,8 @@ is typed in. A list of built-in pager functions can be found below.
 <tr><td>`line.begin()`<td>Move cursor to the previous word by one character
 <tr><td>`line.end()`<td>Move cursor to the previous word by one character
 <tr><td>`line.escape()`<td>Ignore keybindings for next character
+<tr><td>`line.prevHist()`<td>Jump to the previous history entry
+<tr><td>`line.nextHist()`<td>Jump to the next history entry
 </table>
 
 Some entries have an optional `bounds` parameter. If passed, this must be a