UPDATE: Check the comments, people have had more success with Brent’s suggestion.

I really wanted some highlighting on my .feature files in vim, I’m no vim expert so I did a bit of googling and came up with the following:

• Download cucumber.vim from http://github.com/tpope/vim-cucumber/blob/master/syntax/cucumber.vim
• Save the file to ~/.vim/cucumber.vim (creating the directory if required)
• vim ~/.vimrc and add the following lines

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au Bufread,BufNewFile *.feature set filetype=gherkin
au! Syntax gherkin source ~/.vim/cucumber.vim

• Make sure syntax on is also present
• Open your feature file

If anyone knows a more vim way of doing this feel free to add a comment.