If your project doesn't use Grunt, but you do use Vim, you can put the following in your .vimrc " Remove trailing whitespace for everything but markdown.

If your project doesn't use Grunt, but you do use Vim, you can put the following in your .vimrc " Remove trailing whitespace for everything but markdown. let whitespace_blacklist = ['markdown'] autocmd BufWritePre * if index(whitespace_blacklist, &ft) < 0 | :%s/\s\+$//e There's also several ways to use Git for removing trailing whitespace, if you prefer that.