mozilla/rust — pull request #1599 by startling (2012-01-21 21:06:21+00:00)
Title: Added `src/etc/vim/ftdetect/rust.vim` for vim filetype detection.

Previously, in order to get vim's syntax highlighting, you needed to manually `:setf rust` on every file. Now vim will recognize *.rs files as rust. This is a little nicer.