Tolerate filetype of eruby.html

Author: tpope

autoload/rails.vim

@@ -3655,7 +3655,7 @@ function! s:BufSyntax()
       syn cluster htmlArgCluster add=@rubyStringSpecial
       syn cluster htmlPreProc    add=@rubyStringSpecial
 
-    elseif &syntax == 'eruby' || &syntax == 'haml'
+    elseif &syntax =~# '^eruby\>' || &syntax == 'haml'
       syn case match
       if classes != ''
         exe 'syn keyword '.&syntax.'RailsUserClass '.classes.' contained containedin=@'.&syntax.'RailsRegions'
@@ -4592,7 +4592,7 @@ function! s:BufSettings()
   elseif ft == 'yaml' || fnamemodify(self.name(),':e') == 'yml'
     call self.setvar('&define',self.define_pattern())
     call self.setvar('&suffixesadd',".yml,.csv,.rb,.".s:gsub(s:view_types,',',',.').",.rake,s.rb")
-  elseif ft == 'eruby'
+  elseif ft =~# '^eruby\>'
     call self.setvar('&suffixesadd',".".s:gsub(s:view_types,',',',.').",.rb,.css,.js,.html,.yml,.csv")
     if exists("g:loaded_allml")
       call self.setvar('allml_stylesheet_link_tag', "<%= stylesheet_link_tag '\r' %>")
@@ -4616,7 +4616,7 @@ function! s:BufSettings()
       call self.setvar('ragtag_doctype_index', 10)
     endif
   endif
-  if ft == 'eruby' || ft == 'yaml'
+  if ft =~# '^eruby\>' || ft ==# 'yaml'
     " surround.vim
     if exists("g:loaded_surround")
       " The idea behind the || part here is that one can normally define the