rc: Add some documentation for existing plugins..

rc/tools/autorestore.asciidoc

@@ -0,0 +1,23 @@
+= Automatically restore unsaved work after a crash.
+
+When Kakoune crashes, it automatically writes out unsaved changes to backup
+files with predictable names. When you edit a file, if such a backup file
+exists, this plugin will automatically load the content of the backup file
+instead.
+
+== Commands
+
+*autorestore-restore-buffer*::
+    Restore the backup for the current file if it exists.
+
+*autorestore-purge-backups*::
+    Remove all the backups of the current buffer.
+
+*autorestore-disable*::
+    Disable automatic backup recovering for this session.
+
+== Options
+
+*autorestore_purge_restored* (bool)::
+    *default* true +
+    If true, remove backups once they've been restored

rc/tools/doc.asciidoc

@@ -0,0 +1,15 @@
+= Kakoune's online documentation
+
+== Commands
+
+*doc* <topic>::
+    *alias* help +
+    display documentation about a topic. The completion list displays the
+    available topics
+
+== Options
+
+*docsclient* (str)::
+    If set, the `:doc` command (and other commands that display documentation)
+    will try to display documentation in the Kakoune client with this name.
+    See <<commands#clients-and-sessions,`:doc commands clients-and-sessions`>>

rc/tools/lint.asciidoc

@@ -0,0 +1,57 @@
+= Integrate with tools that check files for problems.
+
+Many file-formats have "lint" tools that check for common problems and point out
+where they occur. Most of these tools produce output in the the traditional
+message format:
+
+----
+{filename}:{line}:{column}: {kind}: {message}
+----
+
+If the 'kind' field contains 'error', the message is treated as an error,
+otherwise it is assumed to be a warning.
+
+This plugin can run such tools and collect the resulting messages. The complete
+output is collected in the `*lint-output*` buffer, and any lines in the current
+file with messages will have a marker displayed next to them in the left margin.
+When the cursor moves onto a line with the problem, the associated messages will
+be displayed in a tool tip..
+
+== Commands
+
+*lint-buffer*::
+    *alias* lint +
+    Pass the entire buffer through the program named in `lintcmd`. The buffer
+    may contain unsaved changes.
+
+*lint-selections* [-command <cmd>]::
+    Pass each of the selections through `<cmd>` or, if the `-command` switch is
+    not provided, through the program named in `lintcmd`. The buffer may contain
+    unsaved changes.
+
+*lint-hide-diagnostics*::
+    Hide line markers and disable the automatic display of messages, if any.
+
+*lint-next-message*::
+    Jump to the next message generated by the last `lint-buffer` or
+    `lint-selections` command.
+
+*lint-previous-message*::
+    Jump to the previous message generated by the last `lint-buffer` or
+    `lint-selections` command.
+
+== Options
+
+*lintcmd* (str)::
+    The shell command used by lint-buffer and lint-selections.
+    +
+    It will be given the path to a file containing the text to be
+    linted, and must produce output in the format:
+
+
+*toolsclient* (str)::
+    If set, the `:lint` command (and other commands that point out files and
+    line-numbers) will try to display its results in the Kakoune client with
+    this name.
+    See <<commands#clients-and-sessions,`:doc commands clients-and-sessions`>>
+