Clarify ctags JavaScript ignore

Author: tpope

doc/rails.txt

@@ -1031,10 +1031,9 @@ Set this include guard to prevent the plugin from being loaded.
 Enable Rails abbreviations.  See |rails-abbreviations|.  Enabled by default.
 
 						*g:rails_ctags_arguments*  >
-	let g:rails_ctags_arguments='--exclude="*.js"'
-Additional arguments to pass to ctags from |:Rtags|.  Defaults to
-'--exclude=facebox.js --exclude="*.*.js"', which attempts to ignore jQuery
-plugins that can choke up ctags.
+	let g:rails_ctags_arguments='--languages=-javascript'
+Additional arguments to pass to ctags from |:Rtags|.  Defaults to ignoring
+JavaScript files, since ctags has a tendency to choke on those.
 
 						*g:rails_default_file*  >
 	let g:rails_default_file='config/database.yml'

plugin/rails.vim

@@ -56,7 +56,7 @@ call s:SetOptDefault("rails_statusline",1)
 call s:SetOptDefault("rails_syntax",1)
 call s:SetOptDefault("rails_mappings",1)
 call s:SetOptDefault("rails_abbreviations",1)
-call s:SetOptDefault("rails_ctags_arguments","--exclude=\"*.js\"")
+call s:SetOptDefault("rails_ctags_arguments","--languages=-javascript")
 call s:SetOptDefault("rails_default_file","README")
 call s:SetOptDefault("rails_root_url",'http://localhost:3000/')
 call s:SetOptDefault("rails_modelines",0)