about:config options
attach_signature - default: true
disable_bbcode - default: false
disable_smilies - default: false
disable_parse_urls - default: false
notify_on_reply - default: false

Updates:
25-Jul-2007 - Bugfix
25-Jul-2007 - Bugfix: Quick Reply wasn't being inserted on topics with only one post; Also added 'Save' button
25-Jul-2007 - Yet another bugfix: Quick Reply wasn't being inserted in other situations
25-Jul-2007 - Make tab order match the regular post page; Change button text
26-Jul-2007 - Add posting options (attach sig, etc.)
26-Jul-2007 - Added ability to quote posts by holding down ALT key when 'Quote' is clicked; Made height of TEXTAREA taller
27-Jul-2007 - Added ability to increase/decrease message area dynamically with little buttons on the right
27-Jul-2007 - Added keybindings for Alt-PageUp and Alt-PageDown to resize message area; Fixed bug where height wasn't limited
27-Jul-2007 - Added client-side POST so that there's no intermediate page after replying
29-Jul-2007 - Display errors when a post a made too soon after posting
29-Jul-2007 - Add keybinding to use Alt-Enter to submit the post
29-Jul-2007 - Removed experimental 'View Smilies' link
31-Jul-2007 - Stop default behavior of downloading link when Alt-clicking on Quote buttons
31-Jul-2007 - Only handle Alt-Enter if quick reply textarea has focus
01-Aug-2007 - Added subject; Removed resize buttons from tab traversal
03-Aug-2007 - Added smiley support
08-Aug-2007 - Shortened help tip
14-Sep-2007 - Fixed bug where topic ID wasn't found
20-Nov-2007 - Was broken by RC6,7. Fixed by including valid values for new form field values.
27-Nov-2007 - Allow Alt-Enter to work on regular posting page.
16-Dec-2007 - Fixes due to certain board mods
19-Dec-2007 - Fix bug introduced with last 'fix'.

Examples: