Updated a few runtime files.

8 files changed, 311 insertions, 122 deletions

diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index ad3cccc61e..6d14f617fe 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 7.3.  Last change: 2011 Jul 18
+*syntax.txt*	For Vim version 7.3.  Last change: 2011 Sep 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2605,8 +2605,41 @@ reduce this, the "sh_maxlines" internal variable can be set.  Example: >
 The default is to use the twice sh_minlines.  Set it to a smaller number to
 speed up displaying.  The disadvantage is that highlight errors may appear.
 
+						*g:sh_isk* *g:sh_noisk*
+The shell languages appear to let "." be part of words, commands, etc;
+consequently it should be in the isk for sh.vim.  As of v116 of syntax/sh.vim,
+syntax/sh.vim will append the "." to |'iskeyword'| by default; you may control
+this behavior with: >
+	let g:sh_isk  = '..whatever characters you want as part of iskeyword'
+	let g:sh_noisk= 1  " otherwise, if this exists, the isk will NOT chg
+<
+						*sh-embed*  *sh-awk*
+ Sh: EMBEDDING LANGUAGES~
+
+You may wish to embed languages into sh.  I'll give an example courtesy of
+Lorance Stinson on how to do this with awk as an example. Put the following
+file into $HOME/.vim/after/syntax/sh/awkembed.vim: >
+
+    " AWK Embedding: {{{1
+    " ==============
+    " Shamelessly ripped from aspperl.vim by Aaron Hope.
+    if exists("b:current_syntax")
+      unlet b:current_syntax
+    endif
+    syn include @AWKScript syntax/awk.vim
+    syn region AWKScriptCode matchgroup=AWKCommand start=+[=\\]\@<!'+ skip=+\\'+ end=+'+ contains=@AWKScript contained
+    syn region AWKScriptEmbedded matchgroup=AWKCommand start=+\<awk\>+ skip=+\\$+ end=+[=\\]\@<!'+me=e-1 contains=@shIdList,@shExprList2 nextgroup=AWKScriptCode
+    syn cluster shCommandSubList add=AWKScriptEmbedded
+    hi def link AWKCommand Type
+<
+This code will then let the awk code in the single quotes: >
+	awk '...awk code here...'
+be highlighted using the awk highlighting syntax.  Clearly this may be
+extended to other languages.
 
-SPEEDUP (AspenTech plant simulator)		*spup.vim* *ft-spup-syntax*
+
+SPEEDUP						*spup.vim* *ft-spup-syntax*
+(AspenTech plant simulator)
 
 The Speedup syntax file has some options:
 
@@ -2689,6 +2722,8 @@ sections, subsections, etc are supported.  Put >
 in your <.vimrc>, and :set fdm=syntax.  I suggest doing the latter via a
 modeline at the end of your LaTeX file: >
 	% vim: fdm=syntax
+If your system becomes too slow, then you might wish to look into >
+	https://vimhelp.appspot.com/vim_faq.txt.html#faq-29.7
 <
 								*tex-nospell*
  Tex: Don't Want Spell Checking In Comments? ~
@@ -2729,6 +2764,9 @@ If you have a slow computer, you may wish to reduce the values for >
 increase them.	This primarily affects synchronizing (i.e. just what group,
 if any, is the text at the top of the screen supposed to be in?).
 
+Another cause of slow highlighting is due to syntax-driven folding; see
+|tex-folding| for a way around this.
+
 					    *tex-morecommands* *tex-package*
  Tex: Want To Highlight More Commands? ~
 
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 6f508faf71..cfc3eab848 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 7.3.  Last change: 2011 Sep 14
+*todo.txt*      For Vim version 7.3.  Last change: 2011 Sep 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -34,12 +34,37 @@ not be repeated below, unless there is extra information.
 							*known-bugs*
 -------------------- Known bugs and current work -----------------------
 
-Patch to start GTK only after forking. (Tim Starling, 2011 Sep 12)
+Patch for redirection. (Yasuhiro Matsumoto, 2011 Sep 15) 2nd patch.
+Another on Sep 15?
 
-Patch for Lua debug(). (Rob Hoelz, 2011 Sep 12)
+Patch for DFLT_EFM. (Ben Boeckel, 2011 Sep 14)
+
+Code style patch. (Elias Diem, 2011 Sep 19)
+
+Patch for 'transparency' option. (Ben Boeckel, 2011 Sep 14)
+Do we want this?  Also Sergiu Dotenco, 2011 Sep 17.
+
+Patch for gui_w32.c: call DefWindowProc(). (Sergiu Dotenco, 2011 Sep 15, 17)
+
+Patch to use task dialogs when available. (Sergiu Dotenco, 2011 Sep 15, 17)
+Addition Sep 16.
+
+Patch for alpha-blended icons and toolbar height. (Sergiu Dotenco, 2011 Sep 15, 17)
+
+Change to #ifdef for PDP_RETVAL. (Sergiu Dotenco, 2011 Sep 17, patch 2)
+
+Patch for phpcomplete.vim (Benjamin Haskell) picked up by maintainer?
+
+Add voting item: modern plugin management (automatic updates, handle
+dependencies).
+Add links to http://vimcasts.org/ and http://vimgolf.com/
+Read http://www.charlietanksley.net/philtex/sane-vim-plugin-management/
 
 Go through more coverity reports.
 
+Patch for Issue #9: http://code.google.com/p/vim/issues/detail?id=9
+C++ indenting. martin.gieseking
+
 Using "." to repeat a Visual delete counts bytes, not characters.  Can this be
 fixed? (Connor Lane Smith, 2011 Sep 1)
 
@@ -67,6 +92,9 @@ Patch for: (Christian Brabandt, 2011 Aug 24, updated patch)
 8   ":sign unplace * file={filename}" should work.  Also: ":sign unplace *
     buffer={bufnr}".  So one can remove all signs for one file/buffer.
 
+Problem with winfixheight and resizing. (Yukihiro Nakadaira, 2011 Sep 17)
+Patch Sep 18.
+
 Problem with l: dictionary being locked in a function. (ZyX, 2011 Jul 21)
 
 'cursorline' is displayed too short when there are concealed characters and
@@ -138,9 +166,14 @@ string() can't parse back "inf" and "nan".  Fix documentation or fix code?
 
 Make 'formatprg' global-local. (Sung Pae)
 
+v:register doesn't work exactly as expected. (David Fishburn, 2011 Sep 20)
+
 When doing "redir => s:foo" in a script and then "redir END" somewhere else
 (e.g. in a function) it can't find s:foo.
 
+When setqflist() uses a filename that triggers a BufReadCmd autocommand Vim
+doesn't jump to the correct line with :cfirst. (ZyX,  2011 Sep 18)
+
 7   Make "ga" show the digraph for a character, if it exists.
 Patch from Christian Brabandt, 2011 Aug 19.
 
@@ -420,6 +453,8 @@ it.  Caused by "syntax sync fromstart" in combination with patch 7.2.274.
 Generally, folding with 'foldmethod' set to "syntax" is slow.  Do profiling to
 find out why.
 
+Syntax priority problem. (Charles Campbell, 2011 Sep 15)
+
 When completion inserts the first match, it may trigger the line to be folded.
 Disable updating folds while completion is active? (Peter Odding, 2010 Jun 9)
 
diff --git a/runtime/indent/awk.vim b/runtime/indent/awk.vim
index edc7acac48..6f6b70cc4e 100644
--- a/runtime/indent/awk.vim
+++ b/runtime/indent/awk.vim
@@ -189,6 +189,9 @@ endfunction
 
 function! s:Seems_continuing( line )
   " Unfinished lines
+  if a:line =~ '\(--\|++\)\s*$'
+    return 0
+  endif
   if a:line =~ '[\\,\|\&\+\-\*\%\^]\s*$'
     return 1
   endif
diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index 6912548774..20f1a3d7b6 100644
--- a/runtime/syntax/debcontrol.vim
+++ b/runtime/syntax/debcontrol.vim
@@ -3,7 +3,7 @@
 " Maintainer:  Debian Vim Maintainers <pkg-vim-maintainers@lists.alioth.debian.org>
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2011 June 01
+" Last Change: 2011 Sep 17
 " URL: http://anonscm.debian.org/hg/pkg-vim/vim/raw-file/unstable/runtime/syntax/debcontrol.vim
 
 " Standard syntax initialization
@@ -24,7 +24,7 @@ syn match debControlComma ", *"
 syn match debControlSpace " "
 
 " Define some common expressions we can use later on
-syn match debcontrolArchitecture contained "\%(all\|any\|linux-any\|\%(any-\)\=\%(alpha\|amd64\|arm\%(e[bl]\)\=\|avr32\|hppa\|i386\|ia64\|lpia\|m32r\|m68k\|mips\%(el\)\=\|powerpc\|ppc64\|s390x\=\|sh[34]\(eb\)\=\|sh\|sparc\%(64\)\=\)\|hurd-\%(i386\|any\)\|kfreebsd-\%(i386\|amd64\|any\)\|knetbsd-\%(i386\|any\)\|kopensolaris-\%(i386\|any\)\|netbsd-\%(alpha\|i386\|any\)\)"
+syn match debcontrolArchitecture contained "\%(all\|linux-any\|\%(any-\)\=\%(alpha\|amd64\|arm\%(e[bl]\|hf\)\=\|avr32\|hppa\|i386\|ia64\|lpia\|m32r\|m68k\|mips\%(el\)\=\|powerpc\|ppc64\|s390x\=\|sh[34]\(eb\)\=\|sh\|sparc\%(64\)\=\)\|hurd-\%(i386\|any\)\|kfreebsd-\%(i386\|amd64\|any\)\|knetbsd-\%(i386\|any\)\|kopensolaris-\%(i386\|any\)\|netbsd-\%(alpha\|i386\|any\)\|any\)"
 syn match debcontrolMultiArch contained "\%(no\|foreign\|allowed\|same\)"
 syn match debcontrolName contained "[a-z0-9][a-z0-9+.-]\+"
 syn match debcontrolPriority contained "\(extra\|important\|optional\|required\|standard\)"
diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index 4370d6788f..73eebc3888 100644
--- a/runtime/syntax/sh.vim
+++ b/runtime/syntax/sh.vim
@@ -2,8 +2,8 @@
 " Language:		shell (sh) Korn shell (ksh) bash (sh)
 " Maintainer:		Dr. Charles E. Campbell, Jr.  <NdrOchipS@PcampbellAfamily.Mbiz>
 " Previous Maintainer:	Lennart Schultz <Lennart.Schultz@ecmwf.int>
-" Last Change:		Feb 11, 2011
-" Version:		115
+" Last Change:		Aug 16, 2011
+" Version:		118
 " URL:		http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
 " For options and settings, please use:      :help ft-sh-syntax
 " This file includes many ideas from ?ric Brunet (eric.brunet@ens.fr)
@@ -16,12 +16,38 @@ elseif exists("b:current_syntax")
   finish
 endif
 
+" AFAICT "." should be considered part of the iskeyword.  Using iskeywords in
+" syntax is dicey, so the following code permits the user to prevent/override
+" its setting.
+if exists("g:sh_isk")          " override support
+ exe "setlocal isk=".g:sh_isk
+elseif !exists("g:sh_noisk")   " prevent modification support
+ setlocal isk+=.
+endif
+
+" trying to answer the question: which shell is /bin/sh, really?
+if !exists("g:is_kornshell") && !exists("g:is_bash") && !exists("g:is_posix") && !exists("g:is_sh")
+ if executable("/bin/sh")
+  if     resolve("/bin/sh") =~ 'bash$'
+   let g:is_bash= 1
+  elseif resolve("/bin/sh") =~ 'ksh$'
+   let g:is_ksh = 1
+  endif
+ elseif executable("/usr/bin/sh")
+  if     resolve("/usr/bin//sh") =~ 'bash$'
+   let g:is_bash= 1
+  elseif resolve("/usr/bin//sh") =~ 'ksh$'
+   let g:is_ksh = 1
+  endif
+ endif
+endif
+
 " handling /bin/sh with is_kornshell/is_sh {{{1
 " b:is_sh is set when "#! /bin/sh" is found;
 " However, it often is just a masquerade by bash (typically Linux)
 " or kornshell (typically workstations with Posix "sh").
-" So, when the user sets "is_bash" or "is_kornshell",
-" a b:is_sh is converted into b:is_bash/b:is_kornshell,
+" So, when the user sets "g:is_bash", "g:is_kornshell",
+" or "g:is_posix", a b:is_sh is converted into b:is_bash/b:is_kornshell,
 " respectively.
 if !exists("b:is_kornshell") && !exists("b:is_bash")
   if exists("g:is_posix") && !exists("g:is_kornshell")
@@ -74,7 +100,7 @@ endif
 syn cluster shArithParenList	contains=shArithmetic,shCaseEsac,shDeref,shDerefSimple,shEcho,shEscape,shNumber,shOperator,shPosnParm,shExSingleQuote,shExDoubleQuote,shRedir,shSingleQuote,shDoubleQuote,shStatement,shVariable,shAlias,shTest,shCtrlSeq,shSpecial,shParen,bashSpecialVariables,bashStatement
 syn cluster shArithList	contains=@shArithParenList,shParenError
 syn cluster shCaseEsacList	contains=shCaseStart,shCase,shCaseBar,shCaseIn,shComment,shDeref,shDerefSimple,shCaseCommandSub,shCaseExSingleQuote,shCaseSingleQuote,shCaseDoubleQuote,shCtrlSeq,@shErrorList,shStringSpecial,shCaseRange
-syn cluster shCaseList	contains=@shCommandSubList,shCaseEsac,shColon,shCommandSub,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq
+syn cluster shCaseList	contains=@shCommandSubList,shCaseEsac,shColon,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq
 syn cluster shColonList	contains=@shCaseList
 syn cluster shCommandSubList	contains=shArithmetic,shDeref,shDerefSimple,shEscape,shNumber,shOperator,shPosnParm,shExSingleQuote,shSingleQuote,shExDoubleQuote,shDoubleQuote,shStatement,shVariable,shSubSh,shAlias,shTest,shCtrlSeq,shSpecial
 syn cluster shCurlyList	contains=shNumber,shComma,shDeref,shDerefSimple,shDerefSpecial
@@ -84,7 +110,7 @@ syn cluster shDerefVarList	contains=shDerefOp,shDerefVarArray,shDerefOpError
 syn cluster shEchoList	contains=shArithmetic,shCommandSub,shDeref,shDerefSimple,shExpr,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shCtrlSeq,shEchoQuote
 syn cluster shExprList1	contains=shCharClass,shNumber,shOperator,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shExpr,shDblBrace,shDeref,shDerefSimple,shCtrlSeq
 syn cluster shExprList2	contains=@shExprList1,@shCaseList,shTest
-syn cluster shFunctionList	contains=@shCommandSubList,shCaseEsac,shColon,shCommandSub,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shOption,shRedir,shSetList,shSource,shStatement,shVariable,shOperator,shCtrlSeq
+syn cluster shFunctionList	contains=@shCommandSubList,shCaseEsac,shColon,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shHereDoc,shIf,shOption,shRedir,shSetList,shSource,shStatement,shVariable,shOperator,shCtrlSeq
 if exists("b:is_kornshell") || exists("b:is_bash")
  syn cluster shFunctionList	add=shRepeat
  syn cluster shFunctionList	add=shDblBrace,shDblParen
@@ -94,8 +120,8 @@ syn cluster shHereList	contains=shBeginHere,shHerePayload
 syn cluster shHereListDQ	contains=shBeginHere,@shDblQuoteList,shHerePayload
 syn cluster shIdList	contains=shCommandSub,shWrapLineOperator,shSetOption,shDeref,shDerefSimple,shRedir,shExSingleQuote,shExDoubleQuote,shSingleQuote,shDoubleQuote,shExpr,shCtrlSeq,shStringSpecial
 syn cluster shLoopList	contains=@shCaseList,shTestOpr,shExpr,shDblBrace,shConditional,shCaseEsac,shTest,@shErrorList,shSet
-syn cluster shSubShList	contains=@shCommandSubList,shCaseEsac,shColon,shCommandSub,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shIf,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq,shOperator
-syn cluster shTestList	contains=shCharClass,shComment,shCommandSub,shDeref,shDerefSimple,shExDoubleQuote,shDoubleQuote,shExpr,shExpr,shNumber,shOperator,shExSingleQuote,shSingleQuote,shTestOpr,shTest,shCtrlSeq
+syn cluster shSubShList	contains=@shCommandSubList,shCaseEsac,shColon,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shIf,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq,shOperator
+syn cluster shTestList	contains=shCharClass,shComment,shCommandSub,shDeref,shDerefSimple,shExDoubleQuote,shDoubleQuote,shExpr,shNumber,shOperator,shExSingleQuote,shSingleQuote,shTestOpr,shTest,shCtrlSeq
 
 " Echo: {{{1
 " ====
@@ -111,8 +137,8 @@ syn region shEmbeddedEcho contained matchgroup=shStatement start="\<print\>" ski
 " =====
 if exists("b:is_kornshell") || exists("b:is_bash")
  syn match shStatement "\<alias\>"
- syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\w\+\)\@=" skip="\\$" end="\>\|`"
- syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\w\+=\)\@=" skip="\\$" end="="
+ syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\h[-._[:alnum:]]\+\)\@="  skip="\\$" end="\>\|`"
+ syn region shAlias matchgroup=shStatement start="\<alias\>\s\+\(\h[-._[:alnum:]]\+=\)\@=" skip="\\$" end="="
 endif
 
 " Error Codes: {{{1
@@ -152,8 +178,8 @@ syn match   shPattern	"\<\S\+\())\)\@="	contained contains=shExSingleQuote,shSin
 
 " Subshells: {{{1
 " ==========
-syn region shExpr  transparent matchgroup=shExprRegion  start="{" end="}"	contains=@shExprList2 nextgroup=shMoreSpecial
-syn region shSubSh transparent matchgroup=shSubShRegion start="(" end=")"	contains=@shSubShList nextgroup=shMoreSpecial
+syn region shExpr  transparent matchgroup=shExprRegion  start="{" end="}"		contains=@shExprList2 nextgroup=shMoreSpecial
+syn region shSubSh transparent matchgroup=shSubShRegion start="[^(]\zs(" end=")"	contains=@shSubShList nextgroup=shMoreSpecial
 
 " Tests: {{{1
 "=======
@@ -162,7 +188,7 @@ syn region shTest	transparent matchgroup=shStatement start="\<test\s" skip=+\\\\
 syn match  shTestOpr	contained	"<=\|>=\|!=\|==\|-.\>\|-\(nt\|ot\|ef\|eq\|ne\|lt\|le\|gt\|ge\)\>\|[!<>]"
 syn match  shTestOpr	contained	'=' skipwhite nextgroup=shTestDoubleQuote,shTestSingleQuote,shTestPattern
 syn match  shTestPattern	contained	'\w\+'
-syn match  shTestDoubleQuote	contained	'"[^"]*"'
+syn match  shTestDoubleQuote	contained	'\%(\%(\\\\\)*\\\)\@<!"[^"]*"'
 syn match  shTestSingleQuote	contained	'\\.'
 syn match  shTestSingleQuote	contained	"'[^']*'"
 if exists("b:is_kornshell") || exists("b:is_bash")
@@ -178,11 +204,11 @@ syn match   shCharClass	contained	"\[:\(backspace\|escape\|return\|xdigit\|alnum
 " ======
 if (g:sh_fold_enabled % (s:sh_fold_ifdofor * 2))/s:sh_fold_ifdofor
  syn region shDo	fold transparent matchgroup=shConditional start="\<do\>" matchgroup=shConditional end="\<done\>" contains=@shLoopList
- syn region shIf	fold transparent matchgroup=shConditional start="\<if\_s" matchgroup=shConditional end="\<;\_s*then\>" end="\<fi\>"   contains=@shLoopList,shDblBrace,shDblParen,shFunctionKey
+ syn region shIf	fold transparent matchgroup=shConditional start="\<if\_s" matchgroup=shConditional end="\<;\_s*then\>" end="\<fi\>"   contains=@shLoopList,shDblBrace,shDblParen,shFunctionKey,shFunctionOne,shFunctionTwo
  syn region shFor	fold matchgroup=shLoop start="\<for\_s" end="\<in\_s" end="\<do\>"me=e-2	contains=@shLoopList,shDblParen skipwhite nextgroup=shCurlyIn
 else
  syn region shDo	transparent matchgroup=shConditional start="\<do\>" matchgroup=shConditional end="\<done\>" contains=@shLoopList
- syn region shIf	transparent matchgroup=shConditional start="\<if\_s" matchgroup=shConditional end="\<;\_s*then\>" end="\<fi\>"   contains=@shLoopList,shDblBrace,shDblParen,shFunctionKey
+ syn region shIf	transparent matchgroup=shConditional start="\<if\_s" matchgroup=shConditional end="\<;\_s*then\>" end="\<fi\>"   contains=@shLoopList,shDblBrace,shDblParen,shFunctionKey,shFunctionOne,shFunctionTwo
  syn region shFor	matchgroup=shLoop start="\<for\_s" end="\<in\>" end="\<do\>"me=e-2	contains=@shLoopList,shDblParen skipwhite nextgroup=shCurlyIn
 endif
 if exists("b:is_kornshell") || exists("b:is_bash")
@@ -224,7 +250,7 @@ syn region  shCaseRange	matchgroup=Delimiter start=+\[+ skip=+\\\\+ end=+]+	cont
 "======
 syn match   shWrapLineOperator "\\$"
 syn region  shCommandSub   start="`" skip="\\\\\|\\." end="`" contains=@shCommandSubList
-syn match   shEscape	contained	'\\.'
+syn match   shEscape	contained	'\\.'         contains=@shCommandSubList
 
 " $() and $(()): {{{1
 " $(..) is not supported by sh (Bourne shell).  However, apparently
@@ -243,7 +269,7 @@ endif
 if exists("b:is_bash")
  syn cluster shCommandSubList add=bashSpecialVariables,bashStatement
  syn cluster shCaseList add=bashAdminStatement,bashStatement
- syn keyword bashSpecialVariables contained BASH BASH_ENV BASH_VERSINFO BASH_VERSION CDPATH DIRSTACK EUID FCEDIT FIGNORE GLOBIGNORE GROUPS HISTCMD HISTCONTROL HISTFILE HISTFILESIZE HISTIGNORE HISTSIZE HOME HOSTFILE HOSTNAME HOSTTYPE IFS IGNOREEOF INPUTRC LANG LC_ALL LC_COLLATE LC_MESSAGES LINENO MACHTYPE MAIL MAILCHECK MAILPATH OLDPWD OPTARG OPTERR OPTIND OSTYPE PATH PIPESTATUS PPID PROMPT_COMMAND PS1 PS2 PS3 PS4 PWD RANDOM REPLY SECONDS SHELLOPTS SHLVL TIMEFORMAT TIMEOUT UID auto_resume histchars
+ syn keyword bashSpecialVariables contained auto_resume BASH BASH_ALIASES BASH_ALIASES BASH_ARGC BASH_ARGC BASH_ARGV BASH_ARGV BASH_CMDS BASH_CMDS BASH_COMMAND BASH_COMMAND BASH_ENV BASH_EXECUTION_STRING BASH_EXECUTION_STRING BASH_LINENO BASH_LINENO BASHOPTS BASHOPTS BASHPID BASHPID BASH_REMATCH BASH_REMATCH BASH_SOURCE BASH_SOURCE BASH_SUBSHELL BASH_SUBSHELL BASH_VERSINFO BASH_VERSION BASH_XTRACEFD BASH_XTRACEFD CDPATH COLUMNS COLUMNS COMP_CWORD COMP_CWORD COMP_KEY COMP_KEY COMP_LINE COMP_LINE COMP_POINT COMP_POINT COMPREPLY COMPREPLY COMP_TYPE COMP_TYPE COMP_WORDBREAKS COMP_WORDBREAKS COMP_WORDS COMP_WORDS COPROC COPROC DIRSTACK EMACS EMACS ENV ENV EUID FCEDIT FIGNORE FUNCNAME FUNCNAME FUNCNEST FUNCNEST GLOBIGNORE GROUPS histchars HISTCMD HISTCONTROL HISTFILE HISTFILESIZE HISTIGNORE HISTSIZE HISTTIMEFORMAT HISTTIMEFORMAT HOME HOSTFILE HOSTNAME HOSTTYPE IFS IGNOREEOF INPUTRC LANG LC_ALL LC_COLLATE LC_CTYPE LC_CTYPE LC_MESSAGES LC_NUMERIC LC_NUMERIC LINENO LINES LINES MACHTYPE MAIL MAILCHECK MAILPATH MAPFILE MAPFILE OLDPWD OPTARG OPTERR OPTIND OSTYPE PATH PIPESTATUS POSIXLY_CORRECT POSIXLY_CORRECT PPID PROMPT_COMMAND PS1 PS2 PS3 PS4 PWD RANDOM READLINE_LINE READLINE_LINE READLINE_POINT READLINE_POINT REPLY SECONDS SHELL SHELL SHELLOPTS SHLVL TIMEFORMAT TIMEOUT TMPDIR TMPDIR UID
  syn keyword bashStatement chmod clear complete du egrep expr fgrep find gnufind gnugrep grep install less ls mkdir mv rm rmdir rpm sed sleep sort strip tail touch
  syn keyword bashAdminStatement daemon killall killproc nice reload restart start status stop
 endif
@@ -275,7 +301,8 @@ else
  syn region  shExDoubleQuote	matchGroup=Error start=+\$"+ skip=+\\\\\|\\.+ end=+"+	contains=shStringSpecial
 endif
 syn region  shSingleQuote	matchgroup=shQuote start=+'+ end=+'+		contains=@Spell
-syn region  shDoubleQuote	matchgroup=shQuote start=+"+ skip=+\\"+ end=+"+	contains=@shDblQuoteList,shStringSpecial,@Spell
+syn region  shDoubleQuote	matchgroup=shQuote start=+\%(\%(\\\\\)*\\\)\@<!"+ skip=+\\"+ end=+"+	contains=@shDblQuoteList,shStringSpecial,@Spell
+"syn region  shDoubleQuote	matchgroup=shQuote start=+"+ skip=+\\"+ end=+"+	contains=@shDblQuoteList,shStringSpecial,@Spell
 syn match   shStringSpecial	"[^[:print:] \t]"	contained
 syn match   shStringSpecial	"\%(\\\\\)*\\[\\"'`$()#]"
 syn match   shSpecial	"[^\\]\zs\%(\\\\\)*\\[\\"'`$()#]" nextgroup=shMoreSpecial
@@ -333,7 +360,8 @@ endif
 
 " Here Strings: {{{1
 " =============
-if exists("b:is_bash")
+" available for: bash; ksh (really should be ksh93 only) but not if its a posix
+if exists("b:is_bash") || (exists("b:is_kornshell") && !exists("g:is_posix"))
  syn match shRedir "<<<"
 endif
 
@@ -410,10 +438,10 @@ syn region  shDerefVarArray   contained	matchgroup=shDeref start="\[" end="]"	co
 "    ksh bash : ${parameter##pattern} remove large left  pattern
 "    ksh bash : ${parameter%pattern}  remove small right pattern
 "    ksh bash : ${parameter%%pattern} remove large right pattern
-"    ksh bash : ${parameter^pattern}  Case modification
-"    ksh bash : ${parameter^^pattern} Case modification
-"    ksh bash : ${parameter,pattern}  Case modification
-"    ksh bash : ${parameter,,pattern} Case modification
+"        bash : ${parameter^pattern}  Case modification
+"        bash : ${parameter^^pattern} Case modification
+"        bash : ${parameter,pattern}  Case modification
+"        bash : ${parameter,,pattern} Case modification
 syn cluster shDerefPatternList	contains=shDerefPattern,shDerefString
 syn match shDerefOpError	contained	":[[:punct:]]"
 syn match  shDerefOp	contained	":\=[-=?]"	nextgroup=@shDerefPatternList
@@ -421,12 +449,13 @@ syn match  shDerefOp	contained	":\=+"	nextgroup=@shDerefPatternList
 if exists("b:is_bash") || exists("b:is_kornshell")
  syn match  shDerefOp	contained	"#\{1,2}"	nextgroup=@shDerefPatternList
  syn match  shDerefOp	contained	"%\{1,2}"	nextgroup=@shDerefPatternList
- syn match  shDerefOp	contained	"\^\{1,2}"	nextgroup=@shDerefPatternList
- syn match  shDerefOp	contained	",\{1,2}"	nextgroup=@shDerefPatternList
  syn match  shDerefPattern	contained	"[^{}]\+"	contains=shDeref,shDerefSimple,shDerefPattern,shDerefString,shCommandSub,shDerefEscape nextgroup=shDerefPattern
  syn region shDerefPattern	contained	start="{" end="}"	contains=shDeref,shDerefSimple,shDerefString,shCommandSub nextgroup=shDerefPattern
  syn match  shDerefEscape	contained	'\%(\\\\\)*\\.'
 endif
+if exists("b:is_bash")
+ syn match  shDerefOp	contained	"[,^]\{1,2}"	nextgroup=@shDerefPatternList
+endif
 syn region shDerefString	contained	matchgroup=shDerefDelim start=+\%(\\\)\@<!'+ end=+'+		contains=shStringSpecial
 syn region shDerefString	contained	matchgroup=shDerefDelim start=+\%(\\\)\@<!"+ skip=+\\"+ end=+"+	contains=@shDblQuoteList,shStringSpecial
 syn match  shDerefString	contained	"\\["']"	nextgroup=shDerefPattern
@@ -445,7 +474,7 @@ if exists("b:is_bash")
 endif
 
 " Arithmetic Parenthesized Expressions: {{{1
-syn region shParen matchgroup=shArithRegion start='(\ze[^(]' end=')' contains=@shArithParenList
+syn region shParen matchgroup=shArithRegion start='(\%(\ze[^(]\|$\)' end=')' contains=@shArithParenList
 
 " Useful sh Keywords: {{{1
 " ===================
diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index 365acf4967..b8756a88fc 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:	Dec 07, 2010 
-" Version:	64
+" Last Change:	Aug 22, 2011 
+" Version:	68
 " URL:		http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
 "
 " Notes: {{{1
@@ -101,6 +101,9 @@ endif
 if b:tex_stylish
   setlocal isk+=@-@
 endif
+if exists("g:tex_nospell") && g:tex_nospell && !exists("g:tex_comment_nospell")
+ let g:tex_comment_nospell= 1
+endif
 
 " Clusters: {{{1
 " --------
@@ -110,8 +113,13 @@ if !exists("g:tex_no_error")
 endif
 syn cluster texEnvGroup		contains=texMatcher,texMathDelim,texSpecialChar,texStatement
 syn cluster texFoldGroup	contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texInputFile,texLength,texLigature,texMatcher,texMathZoneV,texMathZoneW,texMathZoneX,texMathZoneY,texMathZoneZ,texNewCmd,texNewEnv,texOnlyMath,texOption,texParen,texRefZone,texSection,texSectionMarker,texSectionZone,texSpaceCode,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,@texMathZones,texTitle,texAbstract
-syn cluster texMatchGroup	contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texMatcher,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption,@Spell
-syn cluster texStyleGroup	contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption,texStyleStatement,@Spell,texStyleMatcher
+if !exists("g:tex_nospell") || !g:tex_nospell
+ syn cluster texMatchGroup	contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texMatcher,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption,@Spell
+ syn cluster texStyleGroup	contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption,texStyleStatement,@Spell,texStyleMatcher
+else
+ syn cluster texMatchGroup	contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texMatcher,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption
+ syn cluster texStyleGroup	contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption,texStyleStatement,texStyleMatcher
+endif
 syn cluster texRefGroup		contains=texMatcher,texComment,texDelimiter
 if !exists("tex_no_math")
  syn cluster texMathZones	contains=texMathZoneV,texMathZoneW,texMathZoneX,texMathZoneY,texMathZoneZ
@@ -147,7 +155,11 @@ else
  syn region texMatcher		matchgroup=Delimiter start="{" skip="\\\\\|\\[{}]"	end="}"		contains=@texMatchGroup
  syn region texMatcher		matchgroup=Delimiter start="\["				end="]"		contains=@texMatchGroup
 endif
-syn region texParen		start="("						end=")"		contains=@texMatchGroup,@Spell
+if !exists("g:tex_nospell") || !g:tex_nospell
+ syn region texParen		start="("						end=")"		contains=@texMatchGroup,@Spell
+else
+ syn region texParen		start="("						end=")"		contains=@texMatchGroup
+endif
 if !exists("g:tex_no_error")
  syn match  texError		"[}\])]"
 endif
@@ -155,7 +167,8 @@ if !exists("tex_no_math")
  if !exists("g:tex_no_error")
   syn match  texMathError	"}"	contained
  endif
- syn region texMathMatcher	matchgroup=Delimiter start="{"  skip="\\\\\|\\}"  end="}" end="%stopzone\>" contained contains=@texMathMatchGroup
+ syn region texMathMatcher	matchgroup=Delimiter	start="{"          skip="\\\\\|\\}"     end="}" end="%stopzone\>"	contained contains=@texMathMatchGroup
+" syn region texMathMatcher	matchgroup=Unique	start="[^\\]\zs{"  skip="\\\\\|\\[{}]"  end="}" end="%stopzone\>"	contained contains=@texMathMatchGroup
 endif
 
 " TeX/LaTeX keywords: {{{1
@@ -173,6 +186,7 @@ endif
 " TeX/LaTeX delimiters: {{{1
 syn match texDelimiter		"&"
 syn match texDelimiter		"\\\\"
+syn match texDelimiter		"[{}]"
 
 " Tex/Latex Options: {{{1
 syn match texOption	"[^\\]\zs#\d\+\|^#\d\+"
@@ -273,33 +287,59 @@ syn match texSpaceCode		"\\\(math\|cat\|del\|lc\|sf\|uc\)code`"me=e-1 nextgroup=
 syn match texSpaceCodeChar    "`\\\=.\(\^.\)\==\(\d\|\"\x\{1,6}\|`.\)"	contained
 
 " Sections, subsections, etc: {{{1
-if g:tex_fold_enabled && has("folding")
- syn region texDocZone			matchgroup=texSection start='\\begin\s*{\s*document\s*}' end='\\end\s*{\s*document\s*}'											fold contains=@texFoldGroup,@texDocGroup,@Spell
- syn region texPartZone			matchgroup=texSection start='\\part\>'			 end='\ze\s*\\\%(part\>\|end\s*{\s*document\s*}\)'								fold contains=@texFoldGroup,@texPartGroup,@Spell
- syn region texChapterZone		matchgroup=texSection start='\\chapter\>'		 end='\ze\s*\\\%(chapter\>\|part\>\|end\s*{\s*document\s*}\)'							fold contains=@texFoldGroup,@texChapterGroup,@Spell
- syn region texSectionZone		matchgroup=texSection start='\\section\>'		 end='\ze\s*\\\%(section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'					fold contains=@texFoldGroup,@texSectionGroup,@Spell
- syn region texSubSectionZone		matchgroup=texSection start='\\subsection\>'		 end='\ze\s*\\\%(\%(sub\)\=section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				fold contains=@texFoldGroup,@texSubSectionGroup,@Spell
- syn region texSubSubSectionZone	matchgroup=texSection start='\\subsubsection\>'		 end='\ze\s*\\\%(\%(sub\)\{,2}section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				fold contains=@texFoldGroup,@texSubSubSectionGroup,@Spell
- syn region texParaZone			matchgroup=texSection start='\\paragraph\>'		 end='\ze\s*\\\%(paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'			fold contains=@texFoldGroup,@texParaGroup,@Spell
- syn region texSubParaZone		matchgroup=texSection start='\\subparagraph\>'		 end='\ze\s*\\\%(\%(sub\)\=paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'	fold contains=@texFoldGroup,@Spell
- syn region texTitle			matchgroup=texSection start='\\\%(author\|title\)\>\s*{' end='}'													fold contains=@texFoldGroup,@Spell
- syn region texAbstract			matchgroup=texSection start='\\begin\s*{\s*abstract\s*}' end='\\end\s*{\s*abstract\s*}'											fold contains=@texFoldGroup,@Spell
+if !exists("g:tex_nospell") || !g:tex_nospell
+ if g:tex_fold_enabled && has("folding")
+  syn region texDocZone			matchgroup=texSection start='\\begin\s*{\s*document\s*}' end='\\end\s*{\s*document\s*}'											fold contains=@texFoldGroup,@texDocGroup,@Spell
+  syn region texPartZone		matchgroup=texSection start='\\part\>'			 end='\ze\s*\\\%(part\>\|end\s*{\s*document\s*}\)'								fold contains=@texFoldGroup,@texPartGroup,@Spell
+  syn region texChapterZone		matchgroup=texSection start='\\chapter\>'		 end='\ze\s*\\\%(chapter\>\|part\>\|end\s*{\s*document\s*}\)'							fold contains=@texFoldGroup,@texChapterGroup,@Spell
+  syn region texSectionZone		matchgroup=texSection start='\\section\>'		 end='\ze\s*\\\%(section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'					fold contains=@texFoldGroup,@texSectionGroup,@Spell
+  syn region texSubSectionZone		matchgroup=texSection start='\\subsection\>'		 end='\ze\s*\\\%(\%(sub\)\=section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				fold contains=@texFoldGroup,@texSubSectionGroup,@Spell
+  syn region texSubSubSectionZone	matchgroup=texSection start='\\subsubsection\>'		 end='\ze\s*\\\%(\%(sub\)\{,2}section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				fold contains=@texFoldGroup,@texSubSubSectionGroup,@Spell
+  syn region texParaZone		matchgroup=texSection start='\\paragraph\>'		 end='\ze\s*\\\%(paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'			fold contains=@texFoldGroup,@texParaGroup,@Spell
+  syn region texSubParaZone		matchgroup=texSection start='\\subparagraph\>'		 end='\ze\s*\\\%(\%(sub\)\=paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'	fold contains=@texFoldGroup,@Spell
+  syn region texTitle			matchgroup=texSection start='\\\%(author\|title\)\>\s*{' end='}'													fold contains=@texFoldGroup,@Spell
+  syn region texAbstract		matchgroup=texSection start='\\begin\s*{\s*abstract\s*}' end='\\end\s*{\s*abstract\s*}'											fold contains=@texFoldGroup,@Spell
+ else
+  syn region texDocZone			matchgroup=texSection start='\\begin\s*{\s*document\s*}' end='\\end\s*{\s*document\s*}'											contains=@texFoldGroup,@texDocGroup,@Spell
+  syn region texPartZone		matchgroup=texSection start='\\part\>'			 end='\ze\s*\\\%(part\>\|end\s*{\s*document\s*}\)'								contains=@texFoldGroup,@texPartGroup,@Spell
+  syn region texChapterZone		matchgroup=texSection start='\\chapter\>'		 end='\ze\s*\\\%(chapter\>\|part\>\|end\s*{\s*document\s*}\)'							contains=@texFoldGroup,@texChapterGroup,@Spell
+  syn region texSectionZone		matchgroup=texSection start='\\section\>'		 end='\ze\s*\\\%(section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'					contains=@texFoldGroup,@texSectionGroup,@Spell
+  syn region texSubSectionZone		matchgroup=texSection start='\\subsection\>'		 end='\ze\s*\\\%(\%(sub\)\=section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				contains=@texFoldGroup,@texSubSectionGroup,@Spell
+  syn region texSubSubSectionZone	matchgroup=texSection start='\\subsubsection\>'		 end='\ze\s*\\\%(\%(sub\)\{,2}section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				contains=@texFoldGroup,@texSubSubSectionGroup,@Spell
+  syn region texParaZone		matchgroup=texSection start='\\paragraph\>'		 end='\ze\s*\\\%(paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'			contains=@texFoldGroup,@texParaGroup,@Spell
+  syn region texSubParaZone		matchgroup=texSection start='\\subparagraph\>'		 end='\ze\s*\\\%(\%(sub\)\=paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'	contains=@texFoldGroup,@Spell
+  syn region texTitle			matchgroup=texSection start='\\\%(author\|title\)\>\s*{' end='}'													contains=@texFoldGroup,@Spell
+  syn region texAbstract		matchgroup=texSection start='\\begin\s*{\s*abstract\s*}' end='\\end\s*{\s*abstract\s*}'											contains=@texFoldGroup,@Spell
+ endif
 else
- syn region texDocZone			matchgroup=texSection start='\\begin\s*{\s*document\s*}' end='\\end\s*{\s*document\s*}'											contains=@texFoldGroup,@texDocGroup,@Spell
- syn region texPartZone			matchgroup=texSection start='\\part\>'			 end='\ze\s*\\\%(part\>\|end\s*{\s*document\s*}\)'								contains=@texFoldGroup,@texPartGroup,@Spell
- syn region texChapterZone		matchgroup=texSection start='\\chapter\>'		 end='\ze\s*\\\%(chapter\>\|part\>\|end\s*{\s*document\s*}\)'							contains=@texFoldGroup,@texChapterGroup,@Spell
- syn region texSectionZone		matchgroup=texSection start='\\section\>'		 end='\ze\s*\\\%(section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'					contains=@texFoldGroup,@texSectionGroup,@Spell
- syn region texSubSectionZone		matchgroup=texSection start='\\subsection\>'		 end='\ze\s*\\\%(\%(sub\)\=section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				contains=@texFoldGroup,@texSubSectionGroup,@Spell
- syn region texSubSubSectionZone	matchgroup=texSection start='\\subsubsection\>'		 end='\ze\s*\\\%(\%(sub\)\{,2}section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				contains=@texFoldGroup,@texSubSubSectionGroup,@Spell
- syn region texParaZone			matchgroup=texSection start='\\paragraph\>'		 end='\ze\s*\\\%(paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'			contains=@texFoldGroup,@texParaGroup,@Spell
- syn region texSubParaZone		matchgroup=texSection start='\\subparagraph\>'		 end='\ze\s*\\\%(\%(sub\)\=paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'	contains=@texFoldGroup,@Spell
- syn region texTitle			matchgroup=texSection start='\\\%(author\|title\)\>\s*{' end='}'													contains=@texFoldGroup,@Spell
- syn region texAbstract			matchgroup=texSection start='\\begin\s*{\s*abstract\s*}' end='\\end\s*{\s*abstract\s*}'											contains=@texFoldGroup,@Spell
+ if g:tex_fold_enabled && has("folding")
+  syn region texDocZone			matchgroup=texSection start='\\begin\s*{\s*document\s*}' end='\\end\s*{\s*document\s*}'											fold contains=@texFoldGroup,@texDocGroup
+  syn region texPartZone		matchgroup=texSection start='\\part\>'			 end='\ze\s*\\\%(part\>\|end\s*{\s*document\s*}\)'								fold contains=@texFoldGroup,@texPartGroup
+  syn region texChapterZone		matchgroup=texSection start='\\chapter\>'		 end='\ze\s*\\\%(chapter\>\|part\>\|end\s*{\s*document\s*}\)'							fold contains=@texFoldGroup,@texChapterGroup
+  syn region texSectionZone		matchgroup=texSection start='\\section\>'		 end='\ze\s*\\\%(section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'					fold contains=@texFoldGroup,@texSectionGroup
+  syn region texSubSectionZone		matchgroup=texSection start='\\subsection\>'		 end='\ze\s*\\\%(\%(sub\)\=section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				fold contains=@texFoldGroup,@texSubSectionGroup
+  syn region texSubSubSectionZone	matchgroup=texSection start='\\subsubsection\>'		 end='\ze\s*\\\%(\%(sub\)\{,2}section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				fold contains=@texFoldGroup,@texSubSubSectionGroup
+  syn region texParaZone		matchgroup=texSection start='\\paragraph\>'		 end='\ze\s*\\\%(paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'			fold contains=@texFoldGroup,@texParaGroup
+  syn region texSubParaZone		matchgroup=texSection start='\\subparagraph\>'		 end='\ze\s*\\\%(\%(sub\)\=paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'	fold contains=@texFoldGroup
+  syn region texTitle			matchgroup=texSection start='\\\%(author\|title\)\>\s*{' end='}'													fold contains=@texFoldGroup
+  syn region texAbstract		matchgroup=texSection start='\\begin\s*{\s*abstract\s*}' end='\\end\s*{\s*abstract\s*}'											fold contains=@texFoldGroup
+ else
+  syn region texDocZone			matchgroup=texSection start='\\begin\s*{\s*document\s*}' end='\\end\s*{\s*document\s*}'											contains=@texFoldGroup,@texDocGroup
+  syn region texPartZone		matchgroup=texSection start='\\part\>'			 end='\ze\s*\\\%(part\>\|end\s*{\s*document\s*}\)'								contains=@texFoldGroup,@texPartGroup
+  syn region texChapterZone		matchgroup=texSection start='\\chapter\>'		 end='\ze\s*\\\%(chapter\>\|part\>\|end\s*{\s*document\s*}\)'							contains=@texFoldGroup,@texChapterGroup
+  syn region texSectionZone		matchgroup=texSection start='\\section\>'		 end='\ze\s*\\\%(section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'					contains=@texFoldGroup,@texSectionGroup
+  syn region texSubSectionZone		matchgroup=texSection start='\\subsection\>'		 end='\ze\s*\\\%(\%(sub\)\=section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				contains=@texFoldGroup,@texSubSectionGroup
+  syn region texSubSubSectionZone	matchgroup=texSection start='\\subsubsection\>'		 end='\ze\s*\\\%(\%(sub\)\{,2}section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'				contains=@texFoldGroup,@texSubSubSectionGroup
+  syn region texParaZone		matchgroup=texSection start='\\paragraph\>'		 end='\ze\s*\\\%(paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'			contains=@texFoldGroup,@texParaGroup
+  syn region texSubParaZone		matchgroup=texSection start='\\subparagraph\>'		 end='\ze\s*\\\%(\%(sub\)\=paragraph\>\|\%(sub\)*section\>\|chapter\>\|part\>\|end\s*{\s*document\s*}\)'	contains=@texFoldGroup
+  syn region texTitle			matchgroup=texSection start='\\\%(author\|title\)\>\s*{' end='}'													contains=@texFoldGroup
+  syn region texAbstract		matchgroup=texSection start='\\begin\s*{\s*abstract\s*}' end='\\end\s*{\s*abstract\s*}'											contains=@texFoldGroup
+ endif
 endif
 
 " Bad Math (mismatched): {{{1
 if !exists("tex_no_math")
- syn match texBadMath		"\\end\s*{\s*\(array\|gathered\|bBpvV]matrix\|split\|smallmatrix\|xxalignat\)\s*}"
+ syn match texBadMath		"\\end\s*{\s*\(array\|gathered\|bBpvV]matrix\|split\|subequations\|smallmatrix\|xxalignat\)\s*}"
  syn match texBadMath		"\\end\s*{\s*\(align\|alignat\|displaymath\|displaymath\|eqnarray\|equation\|flalign\|gather\|math\|multline\|xalignat\)\*\=\s*}"
  syn match texBadMath		"\\[\])]"
 endif
@@ -344,6 +384,7 @@ if !exists("tex_no_math")
  call TexNewMathZone("G","gather",1)
  call TexNewMathZone("H","math",1)
  call TexNewMathZone("I","multline",1)
+ call TexNewMathZone("J","subequations",0)
  call TexNewMathZone("K","xalignat",1)
  call TexNewMathZone("L","xxalignat",0)
 
@@ -364,7 +405,11 @@ if !exists("tex_no_math")
  syn match texMathOper		"[_^=]" contained
 
  " Text Inside Math Zones: {{{2
- syn region texMathText matchgroup=texStatement start='\