title: Where should I put a .vim plugin?
body: <p>this is the file:
  <a href="https://github.com/mozilla/rust/blob/master/src/etc/vim/syntax/rust.vim" rel="nofollow">https://github.com/mozilla/rust/blob/master/src/etc/vim/syntax/rust.vim</a></p>
  
  <p>this is for rust [a new language from Mozilla] syntax highlight(?) in VIM
  They provided 3 .vim files actually.
  where should I put them?</p>