This is a Vim syntax file for the E language.
wget https://raw.github.com/bfontaine/E.vim/master/e.vim \
-O ~/.vim/syntax/
Add the following line to your .vimrc
:
au BufNewFile,BufRead *.e set ft=e
Note: There may be a conflict with Eiffel files, since they also use the .e
extension.