Updated runtime files.  Remove version checks for Vim older than 6.0.
diff --git a/runtime/ftplugin/sass.vim b/runtime/ftplugin/sass.vim
index 64232a0..d6909e7 100644
--- a/runtime/ftplugin/sass.vim
+++ b/runtime/ftplugin/sass.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin
 " Language:	Sass
 " Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
-" Last Change:	2010 Jul 26
+" Last Change:	2016 Aug 29
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -9,8 +9,9 @@
 endif
 let b:did_ftplugin = 1
 
-let b:undo_ftplugin = "setl cms< def< inc< inex< ofu< sua<"
+let b:undo_ftplugin = "setl com< cms< def< inc< inex< ofu< sua<"
 
+setlocal comments=://
 setlocal commentstring=//\ %s
 setlocal define=^\\s*\\%(@mixin\\\|=\\)
 setlocal includeexpr=substitute(v:fname,'\\%(.*/\\\|^\\)\\zs','_','')