Add the synconcealed() function and use it for :TOhtml. (Benjamin Fritz)

runtime/plugin/tohtml.vim

@@ -1,10 +1,15 @@
 " Vim plugin for converting a syntax highlighted file to HTML.
 " Maintainer: Ben Fritz <fritzophrenic@gmail.com>
-" Last Change: 2010 Jul 16
+" Last Change: 2010 July 24
 "
 " The core of the code is in $VIMRUNTIME/autoload/tohtml.vim and
 " $VIMRUNTIME/syntax/2html.vim
 
+if exists('g:loaded_2html_plugin')
+  finish
+endif
+let g:loaded_2html_plugin = 'vim7.3_v1'
+
 " Define the :TOhtml command when:
 " - 'compatible' is not set
 " - this plugin was not already loaded