git clone 'git://github.com/luxbock/dactyl-mode.git'

Major mode for editing Pentadactyl config files

Doesn't really do much besides syntax highlighting, which is nice to have. Pentadacyl config files are much like vimrc files, so what I've mostly done is just rewritten the keywords to match those of Pentadactyl. Here's a comparison between different modes:

Fundamental mode: preview

Vimrc-mode: preview

Dactyl-mode: preview