updated for version 7.0224
diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index 2bc6045..092faa9 100644
--- a/runtime/syntax/tex.vim
+++ b/runtime/syntax/tex.vim
@@ -1,8 +1,8 @@
" Vim syntax file
" Language: TeX
" Maintainer: Dr. Charles E. Campbell, Jr. <NdrchipO@ScampbellPfamily.AbizM>
-" Last Change: Feb 28, 2006
-" Version: 32
+" Last Change: Mar 06, 2006
+" Version: 33
" URL: http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
"
" Notes: {{{1
@@ -186,6 +186,11 @@
syn match texDocType "\\documentclass\>\|\\documentstyle\>\|\\usepackage\>" nextgroup=texSectionName,texDocTypeArgs
syn region texDocTypeArgs matchgroup=Delimiter start="\[" end="]" contained nextgroup=texSectionName
+" Preamble syntax-based folding support: {{{1
+if g:tex_fold_enabled && has("folding")
+ syn region texPreamble transparent fold start='\zs\\documentclass\>' end='\ze\\begin{document}' contains=@texMatchGroup
+endif
+
" TeX input: {{{1
syn match texInput "\\input\s\+[a-zA-Z/.0-9_^]\+"hs=s+7 contains=texStatement
syn match texInputFile "\\include\(graphics\|list\)\=\(\[.\{-}\]\)\=\s*{.\{-}}" contains=texStatement,texInputCurlies