diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index 8f34b1a..3277cb2 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:	Aug 03, 2010 
-" Version:	54
+" Last Change:	Aug 04, 2010 
+" Version:	55
 " URL:		http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
 "
 " Notes: {{{1
@@ -119,7 +119,7 @@
  syn cluster texMatchGroup	add=@texMathZones
  syn cluster texMathDelimGroup	contains=texMathDelimBad,texMathDelimKey,texMathDelimSet1,texMathDelimSet2
  syn cluster texMathMatchGroup	contains=@texMathZones,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texMathDelim,texMathMatcher,texMathOper,texNewCmd,texNewEnv,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone
- syn cluster texMathZoneGroup	contains=texComment,texDelimiter,texLength,texMathDelim,texMathMatcher,texMathOper,texMathSymbol,texRefZone,texSpecialChar,texStatement,texTypeSize,texTypeStyle
+ syn cluster texMathZoneGroup	contains=texComment,texDelimiter,texLength,texMathDelim,texMathMatcher,texMathOper,texMathSymbol,texMathText,texRefZone,texSpecialChar,texStatement,texTypeSize,texTypeStyle
  if !exists("g:tex_no_error")
   syn cluster texMathMatchGroup	add=texMathError
   syn cluster texMathZoneGroup	add=texMathError
@@ -365,6 +365,9 @@
 
  syn match texMathOper		"[_^=]" contained
 
+ " Text Inside Math Zones: {{{2
+ syn region texMathText matchgroup=texStatement start='\\\(\(inter\)\=text\|mbox\)\s*{'	end='}'	contains=@texFoldGroup,@Spell
+
  " \left..something.. and \right..something.. support: {{{2
  syn match   texMathDelimBad	contained		"\S"
  if has("conceal") && &enc == 'utf-8' && s:tex_conceal =~ 'm'
@@ -424,24 +427,44 @@
 endif
 
 " Separate lines used for verb` and verb# so that the end conditions {{{1
-" will appropriately terminate.  Ideally vim would let me save a
-" character from the start pattern and re-use it in the end-pattern.
-syn region texZone		start="\\begin{[vV]erbatim}"		end="\\end{[vV]erbatim}\|%stopzone\>"	contains=@Spell
-" listings package:
-syn region texZone		start="\\begin{lstlisting}"		end="\\end{lstlisting}\|%stopzone\>"	contains=@Spell
-" moreverb package:
-syn region texZone		start="\\begin{verbatimtab}"		end="\\end{verbatimtab}\|%stopzone\>"	contains=@Spell
-syn region texZone		start="\\begin{verbatimwrite}"		end="\\end{verbatimwrite}\|%stopzone\>"	contains=@Spell
-syn region texZone		start="\\begin{boxedverbatim}"		end="\\end{boxedverbatim}\|%stopzone\>"	contains=@Spell
-if version < 600
- syn region texZone		start="\\verb\*\=`"			end="`\|%stopzone\>"
- syn region texZone		start="\\verb\*\=#"			end="#\|%stopzone\>"
+" will appropriately terminate.
+" If g:tex_verbspell exists, then verbatim texZones will permit spellchecking there.
+if exists("g:tex_verbspell") && g:tex_verbspell
+ syn region texZone		start="\\begin{[vV]erbatim}"		end="\\end{[vV]erbatim}\|%stopzone\>"	contains=@Spell
+ " listings package:
+ syn region texZone		start="\\begin{lstlisting}"		end="\\end{lstlisting}\|%stopzone\>"	contains=@Spell
+ " moreverb package:
+ syn region texZone		start="\\begin{verbatimtab}"		end="\\end{verbatimtab}\|%stopzone\>"	contains=@Spell
+ syn region texZone		start="\\begin{verbatimwrite}"		end="\\end{verbatimwrite}\|%stopzone\>"	contains=@Spell
+ syn region texZone		start="\\begin{boxedverbatim}"		end="\\end{boxedverbatim}\|%stopzone\>"	contains=@Spell
+ if version < 600
+  syn region texZone		start="\\verb\*\=`"			end="`\|%stopzone\>"			contains=@Spell
+  syn region texZone		start="\\verb\*\=#"			end="#\|%stopzone\>"			contains=@Spell
+ else
+   if b:tex_stylish
+    syn region texZone		start="\\verb\*\=\z([^\ta-zA-Z@]\)"	end="\z1\|%stopzone\>"			contains=@Spell
+   else
+    syn region texZone		start="\\verb\*\=\z([^\ta-zA-Z]\)"	end="\z1\|%stopzone\>"			contains=@Spell
+   endif
+ endif
 else
-  if b:tex_stylish
-    syn region texZone		start="\\verb\*\=\z([^\ta-zA-Z@]\)"	end="\z1\|%stopzone\>"
-  else
-    syn region texZone		start="\\verb\*\=\z([^\ta-zA-Z]\)"	end="\z1\|%stopzone\>"
-  endif
+ syn region texZone		start="\\begin{[vV]erbatim}"		end="\\end{[vV]erbatim}\|%stopzone\>"
+ " listings package:
+ syn region texZone		start="\\begin{lstlisting}"		end="\\end{lstlisting}\|%stopzone\>"
+ " moreverb package:
+ syn region texZone		start="\\begin{verbatimtab}"		end="\\end{verbatimtab}\|%stopzone\>"
+ syn region texZone		start="\\begin{verbatimwrite}"		end="\\end{verbatimwrite}\|%stopzone\>"
+ syn region texZone		start="\\begin{boxedverbatim}"		end="\\end{boxedverbatim}\|%stopzone\>"
+ if version < 600
+  syn region texZone		start="\\verb\*\=`"			end="`\|%stopzone\>"
+  syn region texZone		start="\\verb\*\=#"			end="#\|%stopzone\>"
+ else
+   if b:tex_stylish
+     syn region texZone		start="\\verb\*\=\z([^\ta-zA-Z@]\)"	end="\z1\|%stopzone\>"
+   else
+     syn region texZone		start="\\verb\*\=\z([^\ta-zA-Z]\)"	end="\z1\|%stopzone\>"
+   endif
+ endif
 endif
 
 " Tex Reference Zones: {{{1
@@ -452,8 +475,8 @@
 syn region texRefZone		matchgroup=texStatement start="\\\(page\|eq\)ref{"	end="}\|%stopzone\>"	contains=@texRefGroup
 syn region texRefZone		matchgroup=texStatement start="\\v\=ref{"		end="}\|%stopzone\>"	contains=@texRefGroup
 syn match  texRefZone		'\\cite\%([tp]\*\=\)\=' nextgroup=texRefOption,texCite
-syn region texRefOption	contained	matchgroup=Delimiter start='\[' end=']'		contains=@texRefGroup	nextgroup=texRefOption,texCite
-syn region texCite	contained	matchgroup=Delimiter start='{' end='}'		contains=@texRefGroup
+syn region texRefOption	contained	matchgroup=Delimiter start='\[' end=']'		contains=@texRefGroup,texRefZone	nextgroup=texRefOption,texCite
+syn region texCite	contained	matchgroup=Delimiter start='{' end='}'		contains=@texRefGroup,texRefZone,texCite
 
 " Handle newcommand, newenvironment : {{{1
 syn match  texNewCmd				"\\newcommand\>"			nextgroup=texCmdName skipwhite skipnl
@@ -496,9 +519,15 @@
 
  " Math Symbols {{{2
  if s:tex_conceal =~ 'm'
+  syn match texMathSymbol '\\angle\>'			contained conceal cchar=∠
   syn match texMathSymbol '\\approx\>'			contained conceal cchar=≈
   syn match texMathSymbol '\\ast\>'			contained conceal cchar=∗
+  syn match texMathSymbol '\\asymp\>'			contained conceal cchar=≍
+  syn match texMathSymbol '\\backepsilon\>'		contained conceal cchar=∍
+  syn match texMathSymbol '\\backsimeq\>'		contained conceal cchar=≃
+  syn match texMathSymbol '\\barwedge\>'		contained conceal cchar=⊼
   syn match texMathSymbol '\\because\>'			contained conceal cchar=∵
+  syn match texMathSymbol '\\between\>'			contained conceal cchar=≬
   syn match texMathSymbol '\\bigcap\>'			contained conceal cchar=∩
   syn match texMathSymbol '\\bigcup\>'			contained conceal cchar=∪
   syn match texMathSymbol '\\bigodot\>'			contained conceal cchar=⊙
@@ -510,34 +539,58 @@
   syn match texMathSymbol '\\bigwedge\>'		contained conceal cchar=⋀
   syn match texMathSymbol '\\blacksquare\>'		contained conceal cchar=∎
   syn match texMathSymbol '\\bot\>'			contained conceal cchar=⊥
+  syn match texMathSymbol '\\boxdot\>'			contained conceal cchar=⊡
+  syn match texMathSymbol '\\boxminus\>'		contained conceal cchar=⊟
+  syn match texMathSymbol '\\boxplus\>'			contained conceal cchar=⊞
+  syn match texMathSymbol '\\boxtimes\>'		contained conceal cchar=⊠
+  syn match texMathSymbol '\\bumpeq\>'			contained conceal cchar=≏
+  syn match texMathSymbol '\\Bumpeq\>'			contained conceal cchar=≎
   syn match texMathSymbol '\\cap\>'			contained conceal cchar=∩
+  syn match texMathSymbol '\\Cap\>'			contained conceal cchar=⋒
   syn match texMathSymbol '\\cdot\>'			contained conceal cchar=·
   syn match texMathSymbol '\\cdots\>'			contained conceal cchar=⋯
   syn match texMathSymbol '\\circ\>'			contained conceal cchar=∘
+  syn match texMathSymbol '\\circeq\>'			contained conceal cchar=≗
+  syn match texMathSymbol '\\circledast\>'		contained conceal cchar=⊛
   syn match texMathSymbol '\\circledcirc\>'		contained conceal cchar=⊚
+  syn match texMathSymbol '\\complement\>'		contained conceal cchar=∁
   syn match texMathSymbol '\\cong\>'			contained conceal cchar=≅
   syn match texMathSymbol '\\coprod\>'			contained conceal cchar=∐
   syn match texMathSymbol '\\cup\>'			contained conceal cchar=∪
+  syn match texMathSymbol '\\Cup\>'			contained conceal cchar=⋓
+  syn match texMathSymbol '\\curlyeqprec\>'		contained conceal cchar=⋞
+  syn match texMathSymbol '\\curlyeqsucc\>'		contained conceal cchar=⋟
+  syn match texMathSymbol '\\curlyvee\>'		contained conceal cchar=⋎
+  syn match texMathSymbol '\\curlywedge\>'		contained conceal cchar=⋏
+  syn match texMathSymbol '\\dashv\>'			contained conceal cchar=⊣
   syn match texMathSymbol '\\diamond\>'			contained conceal cchar=⋄
   syn match texMathSymbol '\\div\>'			contained conceal cchar=÷
   syn match texMathSymbol '\\doteq\>'			contained conceal cchar=≐
+  syn match texMathSymbol '\\doteqdot\>'		contained conceal cchar=≑
+  syn match texMathSymbol '\\dotplus\>'			contained conceal cchar=∔
   syn match texMathSymbol '\\dotsb\>'			contained conceal cchar=⋯
   syn match texMathSymbol '\\dotsc\>'			contained conceal cchar=…
   syn match texMathSymbol '\\dots\>'			contained conceal cchar=…
   syn match texMathSymbol '\\dotsi\>'			contained conceal cchar=⋯
   syn match texMathSymbol '\\dotso\>'			contained conceal cchar=…
+  syn match texMathSymbol '\\doublebarwedge\>'		contained conceal cchar=⩞
   syn match texMathSymbol '\\emptyset\>'		contained conceal cchar=∅
+  syn match texMathSymbol '\\eqcirc\>'			contained conceal cchar=≖
+  syn match texMathSymbol '\\eqsim\>'			contained conceal cchar=≂
+  syn match texMathSymbol '\\eqslantgtr\>'		contained conceal cchar=⪖
+  syn match texMathSymbol '\\eqslantless\>'		contained conceal cchar=⪕
   syn match texMathSymbol '\\equiv\>'			contained conceal cchar=≡
   syn match texMathSymbol '\\exists\>'			contained conceal cchar=∃
+  syn match texMathSymbol '\\fallingdotseq\>'		contained conceal cchar=≒
   syn match texMathSymbol '\\forall\>'			contained conceal cchar=∀
+  syn match texMathSymbol '\\ge\>'			contained conceal cchar=≥
   syn match texMathSymbol '\\geq\>'			contained conceal cchar=≥
-  if &ambw == "double"
-   syn match texMathSymbol '\\gg\>'			contained conceal cchar=≫
-  else
-   syn match texMathSymbol '\\gg\>'			contained conceal cchar=⟫
-  endif
+  syn match texMathSymbol '\\geqq\>'			contained conceal cchar=≧
+  syn match texMathSymbol '\\gneqq\>'			contained conceal cchar=≩
+  syn match texMathSymbol '\\gtrdot\>'			contained conceal cchar=⋗
   syn match texMathSymbol '\\gtreqless\>'		contained conceal cchar=⋛
   syn match texMathSymbol '\\gtrless\>'			contained conceal cchar=≷
+  syn match texMathSymbol '\\gtrsim\>'			contained conceal cchar=≳
   syn match texMathSymbol '\\iiint\>'			contained conceal cchar=∭
   syn match texMathSymbol '\\iint\>'			contained conceal cchar=∬
   syn match texMathSymbol '\\Im\>'			contained conceal cchar=ℑ
@@ -546,42 +599,68 @@
   syn match texMathSymbol '\\int\>'			contained conceal cchar=∫
   syn match texMathSymbol '\\lceil\>'			contained conceal cchar=⌈
   syn match texMathSymbol '\\ldots\>'			contained conceal cchar=…
+  syn match texMathSymbol '\\le\>'			contained conceal cchar=≤
   syn match texMathSymbol '\\leftarrow\>'		contained conceal cchar=⟵
   syn match texMathSymbol '\\Leftarrow\>'		contained conceal cchar=⟸
   syn match texMathSymbol '\\left('			contained conceal cchar=(
   syn match texMathSymbol '\\left\['			contained conceal cchar=[
   syn match texMathSymbol '\\left\\{'			contained conceal cchar={
+  syn match texMathSymbol '\\leftthreetimes\>'		contained conceal cchar=⋋
   syn match texMathSymbol '\\leq\>'			contained conceal cchar=≤
-  syn match texMathSymbol '\\leq\>'			contained conceal cchar=≤
+  syn match texMathSymbol '\\leqq\>'			contained conceal cchar=≦
+  syn match texMathSymbol '\\lessdot\>'			contained conceal cchar=⋖
   syn match texMathSymbol '\\lesseqgtr\>'		contained conceal cchar=⋚
+  syn match texMathSymbol '\\lesssim\>'			contained conceal cchar=≲
   syn match texMathSymbol '\\lfloor\>'			contained conceal cchar=⌊
-  if &ambw == "double"
-   syn match texMathSymbol '\\ll\>'			contained conceal cchar=≪
-  else
-   syn match texMathSymbol '\\ll\>'			contained conceal cchar=⟪
-  endif
+  syn match texMathSymbol '\\lneqq\>'			contained conceal cchar=≨
+  syn match texMathSymbol '\\ltimes\>'			contained conceal cchar=⋉
   syn match texMathSymbol '\\mapsto\>'			contained conceal cchar=↦
+  syn match texMathSymbol '\\measuredangle\>'		contained conceal cchar=∡
   syn match texMathSymbol '\\mid\>'			contained conceal cchar=∣
   syn match texMathSymbol '\\mp\>'			contained conceal cchar=∓
   syn match texMathSymbol '\\nabla\>'			contained conceal cchar=∇
+  syn match texMathSymbol '\\ncong\>'			contained conceal cchar=≇
+  syn match texMathSymbol '\\ne\>'			contained conceal cchar=≠
+  syn match texMathSymbol '\\neg\>'			contained conceal cchar=¬
   syn match texMathSymbol '\\neq\>'			contained conceal cchar=≠
   syn match texMathSymbol '\\nexists\>'			contained conceal cchar=∄
   syn match texMathSymbol '\\ngeq\>'			contained conceal cchar=≱
+  syn match texMathSymbol '\\ngeqq\>'			contained conceal cchar=≱
   syn match texMathSymbol '\\ngtr\>'			contained conceal cchar=≯
+  syn match texMathSymbol '\\ni\>'			contained conceal cchar=∋
   syn match texMathSymbol '\\nleq\>'			contained conceal cchar=≰
+  syn match texMathSymbol '\\nleqq\>'			contained conceal cchar=≰
   syn match texMathSymbol '\\nless\>'			contained conceal cchar=≮
   syn match texMathSymbol '\\nmid\>'			contained conceal cchar=∤
   syn match texMathSymbol '\\notin\>'			contained conceal cchar=∉
+  syn match texMathSymbol '\\nprec\>'			contained conceal cchar=⊀
   syn match texMathSymbol '\\nsim\>'			contained conceal cchar=≁
+  syn match texMathSymbol '\\nsucc\>'			contained conceal cchar=⊁
+  syn match texMathSymbol '\\ntriangleleft\>'		contained conceal cchar=⋪
+  syn match texMathSymbol '\\ntrianglelefteq\>'		contained conceal cchar=⋬
+  syn match texMathSymbol '\\ntriangleright\>'		contained conceal cchar=⋫
+  syn match texMathSymbol '\\ntrianglerighteq\>'	contained conceal cchar=⋭
+  syn match texMathSymbol '\\nvdash\>'			contained conceal cchar=⊬
+  syn match texMathSymbol '\\nvDash\>'			contained conceal cchar=⊭
+  syn match texMathSymbol '\\nVdash\>'			contained conceal cchar=⊮
   syn match texMathSymbol '\\odot\>'			contained conceal cchar=⊙
   syn match texMathSymbol '\\oint\>'			contained conceal cchar=∮
+  syn match texMathSymbol '\\ominus\>'			contained conceal cchar=⊖
   syn match texMathSymbol '\\oplus\>'			contained conceal cchar=⊕
   syn match texMathSymbol '\\oslash\>'			contained conceal cchar=⊘
   syn match texMathSymbol '\\otimes\>'			contained conceal cchar=⊗
+  syn match texMathSymbol '\\owns\>'			contained conceal cchar=∋
   syn match texMathSymbol '\\partial\>'			contained conceal cchar=∂
   syn match texMathSymbol '\\perp\>'			contained conceal cchar=⊥
+  syn match texMathSymbol '\\pitchfork\>'		contained conceal cchar=⋔
   syn match texMathSymbol '\\pm\>'			contained conceal cchar=±
+  syn match texMathSymbol '\\precapprox\>'		contained conceal cchar=⪷
   syn match texMathSymbol '\\prec\>'			contained conceal cchar=≺
+  syn match texMathSymbol '\\preccurlyeq\>'		contained conceal cchar=≼
+  syn match texMathSymbol '\\preceq\>'			contained conceal cchar=⪯
+  syn match texMathSymbol '\\precnapprox\>'		contained conceal cchar=⪹
+  syn match texMathSymbol '\\precneqq\>'		contained conceal cchar=⪵
+  syn match texMathSymbol '\\precsim\>'			contained conceal cchar=≾
   syn match texMathSymbol '\\prod\>'			contained conceal cchar=∏
   syn match texMathSymbol '\\propto\>'			contained conceal cchar=∝
   syn match texMathSymbol '\\rceil\>'			contained conceal cchar=⌉
@@ -592,27 +671,66 @@
   syn match texMathSymbol '\\right)'			contained conceal cchar=)
   syn match texMathSymbol '\\right]'			contained conceal cchar=]
   syn match texMathSymbol '\\right\\}'			contained conceal cchar=}
+  syn match texMathSymbol '\\rightthreetimes\>'		contained conceal cchar=⋌
+  syn match texMathSymbol '\\risingdotseq\>'		contained conceal cchar=≓
+  syn match texMathSymbol '\\rtimes\>'			contained conceal cchar=⋊
   syn match texMathSymbol '\\setminus\>'		contained conceal cchar=∖
   syn match texMathSymbol '\\sim\>'			contained conceal cchar=∼
+  syn match texMathSymbol '\\sphericalangle\>'		contained conceal cchar=∢
   syn match texMathSymbol '\\sqcap\>'			contained conceal cchar=⊓
   syn match texMathSymbol '\\sqcup\>'			contained conceal cchar=⊔
+  syn match texMathSymbol '\\sqsubset\>'		contained conceal cchar=⊏
+  syn match texMathSymbol '\\sqsubseteq\>'		contained conceal cchar=⊑
+  syn match texMathSymbol '\\sqsupset\>'		contained conceal cchar=⊐
+  syn match texMathSymbol '\\sqsupseteq\>'		contained conceal cchar=⊒
   syn match texMathSymbol '\\subset\>'			contained conceal cchar=⊂
+  syn match texMathSymbol '\\Subset\>'			contained conceal cchar=⋐
   syn match texMathSymbol '\\subseteq\>'		contained conceal cchar=⊆
+  syn match texMathSymbol '\\subseteqq\>'		contained conceal cchar=⫅
   syn match texMathSymbol '\\subsetneq\>'		contained conceal cchar=⊊
+  syn match texMathSymbol '\\subsetneqq\>'		contained conceal cchar=⫋
+  syn match texMathSymbol '\\succapprox\>'		contained conceal cchar=⪸
   syn match texMathSymbol '\\succ\>'			contained conceal cchar=≻
+  syn match texMathSymbol '\\succcurlyeq\>'		contained conceal cchar=≽
+  syn match texMathSymbol '\\succeq\>'			contained conceal cchar=⪰
+  syn match texMathSymbol '\\succnapprox\>'		contained conceal cchar=⪺
+  syn match texMathSymbol '\\succneqq\>'		contained conceal cchar=⪶
+  syn match texMathSymbol '\\succsim\>'			contained conceal cchar=≿
   syn match texMathSymbol '\\sum\>'			contained conceal cchar=∑
+  syn match texMathSymbol '\\Supset\>'			contained conceal cchar=⋑
   syn match texMathSymbol '\\supseteq\>'		contained conceal cchar=⊇
+  syn match texMathSymbol '\\supseteqq\>'		contained conceal cchar=⫆
   syn match texMathSymbol '\\supsetneq\>'		contained conceal cchar=⊋
+  syn match texMathSymbol '\\supsetneqq\>'		contained conceal cchar=⫌
   syn match texMathSymbol '\\surd\>'			contained conceal cchar=√
   syn match texMathSymbol '\\therefore\>'		contained conceal cchar=∴
   syn match texMathSymbol '\\times\>'			contained conceal cchar=×
   syn match texMathSymbol '\\to\>'			contained conceal cchar=→
+  syn match texMathSymbol '\\top\>'			contained conceal cchar=⊤
+  syn match texMathSymbol '\\triangleleft\>'		contained conceal cchar=⊲
   syn match texMathSymbol '\\trianglelefteq\>'		contained conceal cchar=⊴
+  syn match texMathSymbol '\\triangleq\>'		contained conceal cchar=≜
+  syn match texMathSymbol '\\triangleright\>'		contained conceal cchar=⊳
   syn match texMathSymbol '\\trianglerighteq\>'		contained conceal cchar=⊵
+  syn match texMathSymbol '\\varnothing\>'		contained conceal cchar=∅
   syn match texMathSymbol '\\vartriangle\>'		contained conceal cchar=∆
+  syn match texMathSymbol '\\vdash\>'			contained conceal cchar=⊢
+  syn match texMathSymbol '\\vDash\>'			contained conceal cchar=⊨
+  syn match texMathSymbol '\\Vdash\>'			contained conceal cchar=⊩
   syn match texMathSymbol '\\vdots\>'			contained conceal cchar=⋮
+  syn match texMathSymbol '\\veebar\>'			contained conceal cchar=⊻
   syn match texMathSymbol '\\vee\>'			contained conceal cchar=∨
+  syn match texMathSymbol '\\Vvdash\>'			contained conceal cchar=⊪
   syn match texMathSymbol '\\wedge\>'			contained conceal cchar=∧
+  syn match texMathSymbol '\\wr\>'			contained conceal cchar=≀
+
+  if &ambw == "double"
+   syn match texMathSymbol '\\gg\>'			contained conceal cchar=≫
+   syn match texMathSymbol '\\ll\>'			contained conceal cchar=≪
+  else
+   syn match texMathSymbol '\\gg\>'			contained conceal cchar=⟫
+   syn match texMathSymbol '\\ll\>'			contained conceal cchar=⟪
+  endif
  endif
 
  " Greek {{{2
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index a205d9c..d94d180 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	Vim 7.3 script
 " Maintainer:	Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
-" Last Change:	Jul 28, 2010
-" Version:	7.3-03
+" Last Change:	August 04, 2010
+" Version:	7.3-04
 " Automatically generated keyword lists: {{{1
 
 " Quit when a syntax file was already loaded {{{2
@@ -24,13 +24,13 @@
 syn match   vimCommand contained	"\<z[-+^.=]"
 
 " vimOptions are caught only when contained in a vimSet {{{2
-syn keyword vimOption contained	acd ambiwidth arabicshape autowriteall backupdir bdlay binary breakat bufhidden cd ci cinw co complete conskey crb cscopeverbose cuc deco dictionary directory ed encoding errorfile exrc fdls fencs fileformats fmr foldlevel foldtext fsync gfs gtl guioptions hf hk hlsearch imak ims indentexpr is isp keywordprg lazyredraw lispwords ls makeef maxmapdepth mfd mmd modified mousemodel msm numberwidth operatorfunc pastetoggle pexpr pmbfn printexpr pt readonly ri rs sb scrollbind secure shcf shelltemp shortname shq sm so spellfile spr ssop stl suffixesadd switchbuf ta taglength tbi termbidi tf title to ts tty ttytype ul ut verbosefile virtualedit wb wfw wildcharm winaltkeys winminwidth wmnu write
-syn keyword vimOption contained	ai ambw ari aw backupext beval biosk brk buflisted cdpath cin cinwords colorcolumn completefunc copyindent cryptmethod cspc cul def diff display edcompatible endofline errorformat fcl fdm fex filetype fo foldlevelstart formatexpr ft gfw gtt guipty hh hkmap ic imc imsearch indentkeys isf isprint km lbr list lsp makeprg maxmem mh mmp more mouses mzq nuw opfunc patchexpr pfn popt printfont pumheight redrawtime rightleft rtp sbo scrolljump sel shell shelltype showbreak si smartcase softtabstop spelllang sps st stmp sw sws tabline tagrelative tbidi termencoding tgst titlelen toolbar tsl ttybuiltin tw undodir vb vfile visualbell wc wh wildignore window winwidth wmw writeany
-syn keyword vimOption contained	akm anti arshape awa backupskip bex bioskey browsedir buftype cedit cindent clipboard columns completeopt cot cscopepathcomp csprg cursorbind define diffexpr dy ef eol esckeys fcs fdn ff fillchars foldclose foldmarker formatlistpat gcr ghr guicursor guitablabel hi hkmapp icon imcmdline inc indk isfname joinspaces kmp lcs listchars lw mat maxmempattern mis mmt mouse mouseshape mzquantum odev osfiletype patchmode ph preserveindent printheader pvh relativenumber rightleftcmd ru sbr scrolloff selection shellcmdflag shellxquote showcmd sidescroll smartindent sol spellsuggest sr sta sts swapfile sxq tabpagemax tags tbis terse thesaurus titleold toolbariconsize tsr ttyfast tx undofile vbs vi vop wcm whichwrap wildmenu winfixheight wiv wop writebackup
-syn keyword vimOption contained	al antialias autochdir background balloondelay bexpr bk bs casemap cf cink cmdheight com conc cp cscopeprg csqf cursorcolumn delcombine diffopt ea efm ep et fdc fdo ffs fk foldcolumn foldmethod formatoptions gd go guifont guitabtooltip hid hkp iconstring imd include inex isi js kp linebreak lm lz matchpairs maxmemtot mkspellmem mod mousef mouset nf oft pa path pheader previewheight printmbcharset pvw remap rl ruf sc scrollopt selectmode shellpipe shiftround showfulltag sidescrolloff smarttab sp spf srr stal su swapsync syn tabstop tagstack tbs textauto tildeop titlestring top ttimeout ttym uc undolevels vdir viewdir wa wd wi wildmode winfixwidth wiw wrap writedelay
-syn keyword vimOption contained	aleph ar autoindent backspace ballooneval bg bkc bsdir cb cfu cinkeys cmdwinheight comments conceallevel cpo cscopequickfix cst cursorline dex digraph ead ei equalalways eventignore fde fdt fileencoding fkmap foldenable foldminlines formatprg gdefault gp guifontset helpfile hidden hl ignorecase imdisable includeexpr inf isident key langmap lines lmap ma matchtime mco ml modeline mousefocus mousetime nrformats ofu para pdev pi previewwindow printmbfont qe report rlc ruler scb scs sessionoptions shellquote shiftwidth showmatch siso smc spc spl ss startofline sua swb synmaxcol tag tal tenc textmode timeout tl tpm ttimeoutlen ttymouse udf updatecount ve viewoptions wak weirdinvert wig wildoptions winheight wm wrapmargin ws
-syn keyword vimOption contained	allowrevins arab autoread backup balloonexpr bh bl bsk cc ch cino cmp commentstring confirm cpoptions cscopetag csto cwh dg dip eadirection ek equalprg ex fdi fen fileencodings flp foldexpr foldnestmax fp gfm grepformat guifontwide helpheight highlight hlg im imi incsearch infercase isk keymap langmenu linespace loadplugins macatsui maxcombine mef mls modelines mousehide mp nu omnifunc paragraphs penc pm printdevice printoptions quoteescape restorescreen rnu rulerformat scr sect sft shellredir shm showmode sj smd spell splitbelow ssl statusline suffixes swf syntax tagbsearch tb term textwidth timeoutlen tm tr ttm ttyscroll udir updatetime verbose viminfo warn wfh wildchar wim winminheight wmh wrapscan ww
-syn keyword vimOption contained	altkeymap arabic autowrite backupcopy bdir bin bomb bt ccv charconvert cinoptions cms compatible consk cpt cscopetagorder csverb debug dict dir eb enc errorbells expandtab fdl fenc fileformat fml foldignore foldopen fs gfn grepprg guiheadroom helplang history hls imactivatekey iminsert inde insertmode iskeyword keymodel laststatus lisp lpl magic maxfuncdepth menuitems mm modifiable mousem mps number opendevice paste pex pmbcs printencoding prompt rdt revins ro runtimepath scroll sections sh shellslash shortmess showtabline slm sn spellcapcheck splitright 
+syn keyword vimOption contained	acd ambiwidth arabicshape autowriteall backupdir bdlay binary breakat bufhidden cd ci cinw co commentstring confirm cpoptions cscopetag csto cwh dg dip eadirection ek equalprg ex fdi fen fileencodings flp foldexpr foldnestmax fp gfm grepformat guifontwide helpheight highlight hlg im imi incsearch infercase isk keymap langmenu linespace loadplugins macatsui maxcombine mef mls modelines mousehide mp nu omnifunc paragraphs penc pm printdevice printoptions quoteescape restorescreen rnu rulerformat scr sect sft shellredir shm showmode sj smd spell splitbelow ssl stl sw sxq tabpagemax tags tbis terse thesaurus titleold toolbariconsize tsr ttyfast tx undofile ut verbosefile virtualedit wb wfw wildcharm winaltkeys winminwidth wmnu write
+syn keyword vimOption contained	ai ambw ari aw backupext beval biosk brk buflisted cdpath cin cinwords cocu compatible consk cpt cscopetagorder csverb debug dict dir eb enc errorbells expandtab fdl fenc fileformat fml foldignore foldopen fs gfn grepprg guiheadroom helplang history hls imactivatekey iminsert inde insertmode iskeyword keymodel laststatus lisp lpl magic maxfuncdepth menuitems mm modifiable mousem mps number opendevice paste pex pmbcs printencoding prompt rdt revins ro runtimepath scroll sections sh shellslash shortmess showtabline slm sn spellcapcheck splitright ssop stmp swapfile syn tabstop tagstack tbs textauto tildeop titlestring top ttimeout ttym uc undolevels vb vfile visualbell wc wh wildignore window winwidth wmw writeany
+syn keyword vimOption contained	akm anti arshape awa backupskip bex bioskey browsedir buftype cedit cindent clipboard cole complete conskey crb cscopeverbose cuc deco dictionary directory ed encoding errorfile exrc fdls fencs fileformats fmr foldlevel foldtext fsync gfs gtl guioptions hf hk hlsearch imak ims indentexpr is isp keywordprg lazyredraw lispwords ls makeef maxmapdepth mfd mmd modified mousemodel msm numberwidth operatorfunc pastetoggle pexpr pmbfn printexpr pt readonly ri rs sb scrollbind secure shcf shelltemp shortname shq sm so spellfile spr st sts swapsync synmaxcol tag tal tenc textmode timeout tl tpm ttimeoutlen ttymouse udf undoreload vbs vi vop wcm whichwrap wildmenu winfixheight wiv wop writebackup
+syn keyword vimOption contained	al antialias autochdir background balloondelay bexpr bk bs casemap cf cink cmdheight colorcolumn completefunc copyindent cryptmethod cspc cul def diff display edcompatible endofline errorformat fcl fdm fex filetype fo foldlevelstart formatexpr ft gfw gtt guipty hh hkmap ic imc imsearch indentkeys isf isprint km lbr list lsp makeprg maxmem mh mmp more mouses mzq nuw opfunc patchexpr pfn popt printfont pumheight redrawtime rightleft rtp sbo scrolljump sel shell shelltype showbreak si smartcase softtabstop spelllang sps sta su swb syntax tagbsearch tb term textwidth timeoutlen tm tr ttm ttyscroll udir updatecount vdir viewdir wa wd wi wildmode winfixwidth wiw wrap writedelay
+syn keyword vimOption contained	aleph ar autoindent backspace ballooneval bg bkc bsdir cb cfu cinkeys cmdwinheight columns completeopt cot cscopepathcomp csprg cursorbind define diffexpr dy ef eol esckeys fcs fdn ff fillchars foldclose foldmarker formatlistpat gcr ghr guicursor guitablabel hi hkmapp icon imcmdline inc indk isfname joinspaces kmp lcs listchars lw mat maxmempattern mis mmt mouse mouseshape mzquantum odev osfiletype patchmode ph preserveindent printheader pvh relativenumber rightleftcmd ru sbr scrolloff selection shellcmdflag shellxquote showcmd sidescroll smartindent sol spellsuggest sr stal sua swf ta taglength tbi termbidi tf title to ts tty ttytype ul updatetime ve viewoptions wak weirdinvert wig wildoptions winheight wm wrapmargin ws
+syn keyword vimOption contained	allowrevins arab autoread backup balloonexpr bh bl bsk cc ch cino cmp com concealcursor cp cscopeprg csqf cursorcolumn delcombine diffopt ea efm ep et fdc fdo ffs fk foldcolumn foldmethod formatoptions gd go guifont guitabtooltip hid hkp iconstring imd include inex isi js kp linebreak lm lz matchpairs maxmemtot mkspellmem mod mousef mouset nf oft pa path pheader previewheight printmbcharset pvw remap rl ruf sc scrollopt selectmode shellpipe shiftround showfulltag sidescrolloff smarttab sp spf srr startofline suffixes switchbuf tabline tagrelative tbidi termencoding tgst titlelen toolbar tsl ttybuiltin tw undodir ur verbose viminfo warn wfh wildchar wim winminheight wmh wrapscan ww
+syn keyword vimOption contained	altkeymap arabic autowrite backupcopy bdir bin bomb bt ccv charconvert cinoptions cms comments conceallevel cpo cscopequickfix cst cursorline dex digraph ead ei equalalways eventignore fde fdt fileencoding fkmap foldenable foldminlines formatprg gdefault gp guifontset helpfile hidden hl ignorecase imdisable includeexpr inf isident key langmap lines lmap ma matchtime mco ml modeline mousefocus mousetime nrformats ofu para pdev pi previewwindow printmbfont qe report rlc ruler scb scs sessionoptions shellquote shiftwidth showmatch siso smc spc spl ss statusline suffixesadd sws 
 
 " vimOptions: These are the turn-off setting variants {{{2
 syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoread noaw noballooneval nobinary nobk nobuflisted nocin noconfirm nocopyindent nocscopetag nocsverb nocursorbind nodeco nodiff noeb noek noeol noerrorbells noet noexpandtab nofen nofkmap nogd noguipty nohidden nohkmap nohkp nohlsearch noicon noim noimcmdline noimdisable noinf noinsertmode nojoinspaces nolazyredraw nolinebreak nolist nolpl noma nomagic noml nomodeline nomodified nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscs nosft noshelltemp noshortname noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx novisualbell nowarn noweirdinvert nowfw nowinfixheight nowiv nowrap nowrite nowritebackup
@@ -70,9 +70,9 @@
 syn case match
 
 " Function Names {{{2
-syn keyword vimFuncName contained	abs append argv atan2 bufexists bufname byte2line ceil cindent complete confirm cosh cursor did_filetype empty eventhandler exp extend filewritable findfile fmod foldclosed foldtext function getbufline getcharmod getcmdtype getfperm getftype getmatches getqflist gettabvar getwinposy globpath haslocaldir histdel hlexists iconv input inputrestore insert items len line localtime map match matchdelete matchlist max mkdir mzeval nr2char pow printf range reltime remote_expr remote_peek remote_send rename resolve round searchdecl searchpairpos server2client setbufvar setline setmatches setqflist settabvar setwinvar simplify sinh soundfold spellsuggest sqrt str2nr strdisplaywidth stridx strlen strridx strwidth substitute synIDattr synstack tabpagebuflist tabpagewinnr taglist tanh tolower tr type undotree virtcol winbufnr winheight winnr winrestview winwidth
-syn keyword vimFuncName contained	acos argc asin browse buflisted bufnr byteidx changenr clearmatches complete_add copy count deepcopy diff_filler escape executable expand feedkeys filter float2nr fnameescape foldclosedend foldtextresult garbagecollect getbufvar getcmdline getcwd getfsize getline getpid getreg gettabwinvar getwinvar has hasmapto histget hlID indent inputdialog inputsave isdirectory join libcall line2byte log maparg matchadd matchend matchstr min mode nextnonblank pathshorten prevnonblank pumvisible readfile reltimestr remote_foreground remote_read remove repeat reverse search searchpair searchpos serverlist setcmdpos setloclist setpos setreg settabwinvar shellescape sin sort spellbadword split str2float strchars strftime string strpart strtrans submatch synID synIDtrans system tabpagenr tagfiles tan tempname toupper trunc undofile values visualmode wincol winline winrestcmd winsaveview writefile
-syn keyword vimFuncName contained	add argidx atan browsedir bufloaded bufwinnr call char2nr col complete_check cos cscope_connection delete diff_hlID eval exists expr8 filereadable finddir floor fnamemodify foldlevel foreground get getchar getcmdpos getfontname getftime getloclist getpos getregtype getwinposx glob has_key histadd histnr hostname index inputlist inputsecret islocked keys libcallnr lispindent log10 mapcheck matcharg 
+syn keyword vimFuncName contained	abs append argv atan2 bufexists bufname byte2line ceil cindent complete confirm cosh cursor did_filetype empty eventhandler exp extend filewritable findfile fmod foldclosed foldtext function getbufline getcharmod getcmdtype getfperm getftype getmatches getqflist gettabvar getwinposy globpath haslocaldir histdel hlexists iconv input inputrestore insert items len line localtime map match matchdelete matchstr min mode nextnonblank pathshorten prevnonblank pumvisible readfile reltimestr remote_foreground remote_read remove repeat reverse search searchpair searchpos serverlist setcmdpos setloclist setpos setreg settabwinvar shellescape sin sort spellbadword split str2float strchars strftime string strpart strtrans submatch synconcealed synIDattr synstack tabpagebuflist tabpagewinnr taglist tanh tolower tr type undotree virtcol winbufnr winheight winnr winrestview winwidth
+syn keyword vimFuncName contained	acos argc asin browse buflisted bufnr byteidx changenr clearmatches complete_add copy count deepcopy diff_filler escape executable expand feedkeys filter float2nr fnameescape foldclosedend foldtextresult garbagecollect getbufvar getcmdline getcwd getfsize getline getpid getreg gettabwinvar getwinvar has hasmapto histget hlID indent inputdialog inputsave isdirectory join libcall line2byte log maparg matchadd matchend max mkdir mzeval nr2char pow printf range reltime remote_expr remote_peek remote_send rename resolve round searchdecl searchpairpos server2client setbufvar setline setmatches setqflist settabvar setwinvar simplify sinh soundfold spellsuggest sqrt str2nr strdisplaywidth stridx strlen strridx strwidth substitute synID synIDtrans system tabpagenr tagfiles tan tempname toupper trunc undofile values visualmode wincol winline winrestcmd winsaveview writefile
+syn keyword vimFuncName contained	add argidx atan browsedir bufloaded bufwinnr call char2nr col complete_check cos cscope_connection delete diff_hlID eval exists expr8 filereadable finddir floor fnamemodify foldlevel foreground get getchar getcmdpos getfontname getftime getloclist getpos getregtype getwinposx glob has_key histadd histnr hostname index inputlist inputsecret islocked keys libcallnr lispindent log10 mapcheck matcharg matchlist 
 
 "--- syntax above generated by mkvimvim ---
 " Special Vim Highlighting (not automatic) {{{1
@@ -284,7 +284,7 @@
 syn match	vimCmplxRepeat	'@[0-9a-z".=@:]\ze\($\|[^a-zA-Z]\)'
 
 " Set command and associated set-options (vimOptions) with comment {{{2
-syn region	vimSet		matchgroup=vimCommand start="\<\%(setl\%[ocal]\|setg\%[lobal]\|set\)\>" skip="\%(\\\\\)*\\." end="$" matchgroup=vimNotation end="<[cC][rR]>" keepend oneline contains=vimSetEqual,vimOption,vimErrSetting,vimComment,vimSetString,vimSetMod
+syn region	vimSet		matchgroup=vimCommand start="\<\%(setl\%[ocal]\|setg\%[lobal]\|se\%[t]\)\>" skip="\%(\\\\\)*\\." end="$" matchgroup=vimNotation end="<[cC][rR]>" keepend oneline contains=vimSetEqual,vimOption,vimErrSetting,vimComment,vimSetString,vimSetMod
 syn region	vimSetEqual	contained	start="[=:]\|[-+^]=" skip="\\\\\|\\\s" end="[| \t]\|$"me=e-1 contains=vimCtrlChar,vimSetSep,vimNotation oneline
 syn region	vimSetString	contained	start=+="+hs=s+1	skip=+\\\\\|\\"+  end=+"+	contains=vimCtrlChar
 syn match	vimSetSep	contained	"[,:]"