This TextMate bundle adds support for Augmented BackusāNaur Form, a meta-language used to write context free grammars.
The screenshot below shows syntax highlighting for correct ABNF code using the Rainbow Dash theme .

The included ABNF grammar also catches common mistakes:

To quickly jump to rule definitions use ā+ā§+T:

Use code folding to temporarily hide the content of long rules:
- Download the latest release
- Unzip the archive
- Double-Click on āABNF.tmbundleā
mkdir -p "$HOME/Library/Application Support/TextMate/Bundles"
cd "$HOME/Library/Application Support/TextMate/Bundles"
git clone https://github.com/sanssecours/ABNF.tmbundle