diff --git a/runtime/syntax/lex.vim b/runtime/syntax/lex.vim
index f7144b9..68ae632 100644
--- a/runtime/syntax/lex.vim
+++ b/runtime/syntax/lex.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	Lex
-" Maintainer:	Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
-" Last Change:	Sep 06, 2005
-" Version:	7
+" Maintainer:	Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
+" Last Change:	Sep 11, 2009
+" Version:	10
 " URL:	http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
 "
 " Option:
@@ -16,7 +16,7 @@
   finish
 endif
 
-" Read the C syntax to start with
+" Read the C/C++ syntax to start with
 if version >= 600
   if exists("lex_uses_cpp")
     runtime! syntax/cpp.vim
@@ -36,32 +36,60 @@
 " --- Lex stuff ---
 " --- ========= ---
 
-"I'd prefer to use lex.* , but it doesn't handle forward definitions yet
+"I'd prefer to use lex.* , but vim doesn't handle forward definitions yet
 syn cluster lexListGroup		contains=lexAbbrvBlock,lexAbbrv,lexAbbrv,lexAbbrvRegExp,lexInclude,lexPatBlock,lexPat,lexBrace,lexPatString,lexPatTag,lexPatTag,lexPatComment,lexPatCodeLine,lexMorePat,lexPatSep,lexSlashQuote,lexPatCode,cInParen,cUserLabel,cOctalZero,cCppSkip,cErrInBracket,cErrInParen,cOctalError,cCppOut2,cCommentStartError,cParenError
-syn cluster lexListPatCodeGroup	contains=lexAbbrvBlock,lexAbbrv,lexAbbrv,lexAbbrvRegExp,lexInclude,lexPatBlock,lexPat,lexBrace,lexPatTag,lexPatTag,lexPatComment,lexPatCodeLine,lexMorePat,lexPatSep,lexSlashQuote,cInParen,cUserLabel,cOctalZero,cCppSkip,cErrInBracket,cErrInParen,cOctalError,cCppOut2,cCommentStartError,cParenError
+syn cluster lexListPatCodeGroup	contains=lexAbbrvBlock,lexAbbrv,lexAbbrv,lexAbbrvRegExp,lexInclude,lexPatBlock,lexPat,lexBrace,lexPatTag,lexPatTag,lexPatTagZoneStart,lexPatComment,lexPatCodeLine,lexMorePat,lexPatSep,lexSlashQuote,cInParen,cUserLabel,cOctalZero,cCppSkip,cErrInBracket,cErrInParen,cOctalError,cCppOut2,cCommentStartError,cParenError
 
 " Abbreviations Section
-syn region lexAbbrvBlock	start="^\(\h\+\s\|%{\)" end="^\ze%%$"	skipnl	nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState
+if has("folding")
+ syn region lexAbbrvBlock	fold start="^\(\h\+\s\|%{\)"	end="^\ze%%$"	skipnl	nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState
+else
+ syn region lexAbbrvBlock	start="^\(\h\+\s\|%{\)"	end="^\ze%%$"	skipnl	nextgroup=lexPatBlock contains=lexAbbrv,lexInclude,lexAbbrvComment,lexStartState
+endif
 syn match  lexAbbrv		"^\I\i*\s"me=e-1			skipwhite	contained nextgroup=lexAbbrvRegExp
 syn match  lexAbbrv		"^%[sx]"					contained
 syn match  lexAbbrvRegExp	"\s\S.*$"lc=1				contained nextgroup=lexAbbrv,lexInclude
-syn region lexInclude	matchgroup=lexSep	start="^%{" end="%}"	contained	contains=ALLBUT,@lexListGroup
-syn region lexAbbrvComment	start="^\s\+/\*"	end="\*/"			contains=@Spell
-syn region lexStartState	matchgroup=lexAbbrv	start="^%\a\+"	end="$"			contained
+if has("folding")
+ syn region lexInclude	fold matchgroup=lexSep	start="^%{"	end="%}"	contained	contains=ALLBUT,@lexListGroup
+ syn region lexAbbrvComment	fold			start="^\s\+/\*"	end="\*/"	contains=@Spell
+ syn region lexStartState	fold matchgroup=lexAbbrv	start="^%\a\+"	end="$"	contained
+else
+ syn region lexInclude	matchgroup=lexSep		start="^%{"	end="%}"	contained	contains=ALLBUT,@lexListGroup
+ syn region lexAbbrvComment				start="^\s\+/\*"	end="\*/"	contains=@Spell
+ syn region lexStartState	matchgroup=lexAbbrv		start="^%\a\+"	end="$"	contained
+endif
 
 "%% : Patterns {Actions}
-syn region lexPatBlock	matchgroup=Todo	start="^%%$" matchgroup=Todo end="^%%$"	skipnl skipwhite contains=lexPat,lexPatTag,lexPatComment
-syn region lexPat		start=+\S+ skip="\\\\\|\\."	end="\s"me=e-1	contained nextgroup=lexMorePat,lexPatSep contains=lexPatString,lexSlashQuote,lexBrace
-syn region lexBrace	start="\[" skip=+\\\\\|\\+		end="]"		contained
-syn region lexPatString	matchgroup=String start=+"+	skip=+\\\\\|\\"+	matchgroup=String end=+"+	contained
-syn match  lexPatTag	"^<\I\i*\(,\I\i*\)*>*"			contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep
+if has("folding")
+ syn region lexPatBlock	fold matchgroup=Todo	start="^%%$" matchgroup=Todo	end="^%%$"	skipnl skipwhite	contains=lexPatTag,lexPatTagZone,lexPatComment,lexPat
+ syn region lexPat		fold			start=+\S+ skip="\\\\\|\\."	end="\s"me=e-1		contained nextgroup=lexMorePat,lexPatSep contains=lexPatTag,lexPatString,lexSlashQuote,lexBrace
+ syn region lexBrace	fold			start="\[" skip=+\\\\\|\\+	end="]"			contained
+ syn region lexPatString	fold matchgroup=String	start=+"+	skip=+\\\\\|\\"+	matchgroup=String end=+"+	contained
+else
+ syn region lexPatBlock	matchgroup=Todo		start="^%%$" matchgroup=Todo	end="^%%$"	skipnl skipwhite	contains=lexPatTag,lexPatTagZone,lexPatComment,lexPat
+ syn region lexPat					start=+\S+ skip="\\\\\|\\."	end="\s"me=e-1		contained nextgroup=lexMorePat,lexPatSep contains=lexPatTag,lexPatString,lexSlashQuote,lexBrace
+ syn region lexBrace				start="\[" skip=+\\\\\|\\+	end="]"			contained
+ syn region lexPatString	matchgroup=String		start=+"+	skip=+\\\\\|\\"+	matchgroup=String end=+"+	contained
+endif
+syn match  lexPatTag	"^<\I\i*\(,\I\i*\)*>"			contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep
+syn match  lexPatTagZone	"^<\I\i*\(,\I\i*\)*>\s*\ze{"		contained nextgroup=lexPatTagZoneStart
 syn match  lexPatTag	+^<\I\i*\(,\I\i*\)*>*\(\\\\\)*\\"+		contained nextgroup=lexPat,lexPatTag,lexMorePat,lexPatSep
-syn region lexPatComment	start="^\s*/\*" end="\*/"		skipnl	contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell
+if has("folding")
+ syn region  lexPatTagZoneStart matchgroup=lexPatTag	fold	start='{' end='}'	contained contains=lexPat,lexPatComment
+ syn region lexPatComment	start="\s\+/\*" end="\*/"	fold	skipnl	contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell
+else
+ syn region  lexPatTagZoneStart matchgroup=lexPatTag		start='{' end='}'	contained contains=lexPat,lexPatComment
+ syn region lexPatComment	start="\s\+/\*" end="\*/"		skipnl	contained contains=cTodo skipwhite nextgroup=lexPatComment,lexPat,@Spell
+endif
 syn match  lexPatCodeLine	".*$"					contained contains=ALLBUT,@lexListGroup
 syn match  lexMorePat	"\s*|\s*$"			skipnl	contained nextgroup=lexPat,lexPatTag,lexPatComment
 syn match  lexPatSep	"\s\+"					contained nextgroup=lexMorePat,lexPatCode,lexPatCodeLine
 syn match  lexSlashQuote	+\(\\\\\)*\\"+				contained
-syn region lexPatCode matchgroup=Delimiter start="{" matchgroup=Delimiter end="}"	skipnl contained contains=ALLBUT,@lexListPatCodeGroup
+if has("folding")
+ syn region lexPatCode matchgroup=Delimiter start="{" end="}"	fold	skipnl contained contains=ALLBUT,@lexListPatCodeGroup
+else
+ syn region lexPatCode matchgroup=Delimiter start="{" end="}"		skipnl contained contains=ALLBUT,@lexListPatCodeGroup
+endif
 
 syn keyword lexCFunctions	BEGIN	input	unput	woutput	yyleng	yylook	yytext
 syn keyword lexCFunctions	ECHO	output	winput	wunput	yyless	yymore	yywrap
@@ -80,9 +108,10 @@
 syn sync match lexSyncPat	groupthere lexPatBlock	"^%%$"
 
 " The default highlighting.
-hi def link lexSlashQuote	lexPat
-hi def link lexBrace	lexPat
 hi def link lexAbbrvComment	lexPatComment
+hi def link lexBrace	lexPat
+hi def link lexPatTagZone	lexPatTag
+hi def link lexSlashQuote	lexPat
 
 hi def link lexAbbrvRegExp	Macro
 hi def link lexAbbrv	SpecialChar