Strongly suggest 2 space CoffeeScript indent

Author: tpope

autoload/rails.vim

@@ -4461,7 +4461,7 @@ function! s:BufSettings()
   call self.setvar('&includeexpr','RailsIncludeexpr()')
   call self.setvar('&suffixesadd', ".rb,.".join(s:view_types,',.'))
   let ft = self.getvar('&filetype')
-  if ft =~ '^\%(e\=ruby\|[yh]aml\|javascript\|css\|s[ac]ss\|lesscss\)$'
+  if ft =~ '^\%(e\=ruby\|[yh]aml\|javascript\|coffee\|css\|s[ac]ss\|lesscss\)$'
     call self.setvar('&shiftwidth',2)
     call self.setvar('&softtabstop',2)
     call self.setvar('&expandtab',1)