updated for version 7.0163
diff --git a/runtime/syntax/2html.vim b/runtime/syntax/2html.vim
index 3317f73..49fecee 100644
--- a/runtime/syntax/2html.vim
+++ b/runtime/syntax/2html.vim
@@ -1,6 +1,6 @@
 " Vim syntax support file
 " Maintainer: Bram Moolenaar <Bram@vim.org>
-" Last Change: 2005 Dec 01
+" Last Change: 2005 Dec 04
 "	       (modified by David Ne\v{c}as (Yeti) <yeti@physics.muni.cz>)
 "	       (XHTML support by Panagiotis Issaris <takis@lumumba.luc.ac.be>)
 
@@ -164,6 +164,8 @@
     let s:html_encoding = substitute(s:vim_encoding, 'cp', 'windows-', '')
   elseif s:vim_encoding == 'sjis'
     let s:html_encoding = 'Shift_JIS'
+  elseif s:vim_encoding == 'big5'
+    let s:html_encoding = "Big5"
   elseif s:vim_encoding == 'euc-cn'
     let s:html_encoding = 'GB_2312-80'
   elseif s:vim_encoding == 'euc-tw'