Update runtime files.

10 files changed, 134 insertions, 87 deletions

diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index a31f7107f5..d3da61ceb7 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -1,4 +1,4 @@
-*cmdline.txt*   For Vim version 7.4.  Last change: 2014 Aug 16
+*cmdline.txt*   For Vim version 7.4.  Last change: 2014 Sep 06
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -56,7 +56,7 @@ history tables:
 These are completely separate.  Each history can only be accessed when
 entering the same type of line.
 Use the 'history' option to set the number of lines that are remembered
-(default: 20).
+(default: 50).
 Notes:
 - When you enter a command-line that is exactly the same as an older one, the
   old one is removed (to avoid repeated commands moving older commands out of
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index e5aa09c8a5..c0ec1a7da5 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 7.4.  Last change: 2014 Aug 29
+*eval.txt*	For Vim version 7.4.  Last change: 2014 Sep 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -3346,6 +3346,7 @@ getcmdtype()						*getcmdtype()*
 		    ?	backward search command
 		    @	|input()| command
 		    -	|:insert| or |:append| command
+		    =	|i_CTRL-R_=|
 		Only works when editing the command line, thus requires use of
 		|c_CTRL-\_e| or |c_CTRL-R_=| or an expression mapping.
 		Returns an empty string otherwise.
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 2dcfa19e48..291ab833ee 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 7.4.  Last change: 2014 Aug 09
+*options.txt*	For Vim version 7.4.  Last change: 2014 Sep 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -3369,7 +3369,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 	NOTE: This option is reset when 'compatible' is set.
 
 						*'grepformat'* *'gfm'*
-'grepformat' 'gfm'	string	(default "%f:%l%m,%f  %l%m")
+'grepformat' 'gfm'	string	(default "%f:%l:%m,%f:%l%m,%f  %l%m")
 			global
 			{not in Vi}
 	Format to recognize for the ":grep" command output.
@@ -7850,6 +7850,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 			fold options
 	   options	options and mappings local to a window or buffer (not
 			global values for local options)
+	   localoptions same as "options"
 	   slash	backslashes in file names replaced with forward
 			slashes
 	   unix		with Unix end-of-line format (single <NL>), even when
diff --git a/runtime/doc/pattern.txt b/runtime/doc/pattern.txt
index 205d2d8bf7..322811b7cf 100644
--- a/runtime/doc/pattern.txt
+++ b/runtime/doc/pattern.txt
@@ -1,4 +1,4 @@
-*pattern.txt*   For Vim version 7.4.  Last change: 2014 Aug 29
+*pattern.txt*   For Vim version 7.4.  Last change: 2014 Sep 06
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -838,7 +838,7 @@ $	At end of pattern or in front of "\|", "\)" or "\n" ('magic' on):
 	branch is used.
 	Example: "end\ze\(if\|for\)" matches the "end" in "endif" and
 	"endfor".
-	This cannot be followed by a multi. *E888*
+	This cannot be followed by a multi. |E888|
 	{not in Vi} {not available when compiled without the |+syntax| feature}
 
 						*/\%^* *start-of-file*
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index d47b09a5dd..5cd4bd5447 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 7.4.  Last change: 2014 Aug 29
+*syntax.txt*	For Vim version 7.4.  Last change: 2014 Sep 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2975,6 +2975,7 @@ TEX				*tex.vim* *ft-tex-syntax* *latex-syntax*
 	Tex: Taking Advantage of Conceal Mode		|tex-conceal|
 	Tex: Selective Conceal Mode			|g:tex_conceal|
 	Tex: Controlling iskeyword			|g:tex_isk|
+	Tex: Fine Subscript and Superscript Control	|tex-supersub|
 
 				*tex-folding* *g:tex_fold_enabled*
  Tex: Want Syntax Folding? ~
@@ -3068,6 +3069,7 @@ selectively to enable just some syntax highlighting: >
 <
 As an example, let g:tex_fast= "M" will allow math-associated highlighting
 but suppress all the other region-based syntax highlighting.
+(also see: |g:tex_conceal| and |tex-supersub|)
 
 					*tex-morecommands* *tex-package*
  Tex: Want To Highlight More Commands? ~
@@ -3169,6 +3171,28 @@ syntax highlighting script handles this with the following logic:
 	* If g:tex_isk exists, then it will be used for the local 'iskeyword'
 	* Else the local 'iskeyword' will be set to 48-57,a-z,A-Z,192-255
 
+			*tex-supersub* *g:tex_superscripts* *g:tex_subscripts*
+ Tex: Fine Subscript and Superscript Control~
+
+	See |tex-conceal| for how to enable concealed character replacement.
+
+	See |g:tex_conceal| for selectively concealing accents, bold/italic,
+	math, Greek, and superscripts/subscripts.
+
+	One may exert fine control over which superscripts and subscripts one
+	wants syntax-based concealment for (see |:syn-cchar|).  Since not all
+	fonts support all characters, one may override the
+	concealed-replacement lists; by default these lists are given by: >
+
+	    let g:tex_superscripts= "[0-9a-zA-W.,:;+-<>/()=]"
+	    let g:tex_subscripts= "[0-9aehijklmnoprstuvx,+-/().]"
+<
+	For example, I use Luxi Mono Bold; it doesn't support subscript
+	characters for "hklmnpst", so I put >
+		let g:tex_subscripts= "[0-9aeijoruvx,+-/().]"
+<	in ~/.vim/ftplugin/tex/tex.vim in order to avoid having inscrutable
+	utf-8 glyphs appear.
+
 
 TF						*tf.vim* *ft-tf-syntax*
 
diff --git a/runtime/doc/tags b/runtime/doc/tags
index ae78930886..a8047a68e4 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -4330,7 +4330,6 @@ E885	sign.txt	/*E885*
 E886	starting.txt	/*E886*
 E887	if_pyth.txt	/*E887*
 E888	pattern.txt	/*E888*
-E888	pattern.txt	/*E888*
 E89	message.txt	/*E89*
 E90	message.txt	/*E90*
 E91	options.txt	/*E91*
@@ -6082,6 +6081,8 @@ g:tex_isk	syntax.txt	/*g:tex_isk*
 g:tex_no_error	syntax.txt	/*g:tex_no_error*
 g:tex_nospell	syntax.txt	/*g:tex_nospell*
 g:tex_stylish	syntax.txt	/*g:tex_stylish*
+g:tex_subscripts	syntax.txt	/*g:tex_subscripts*
+g:tex_superscripts	syntax.txt	/*g:tex_superscripts*
 g:tex_verbspell	syntax.txt	/*g:tex_verbspell*
 g:var	eval.txt	/*g:var*
 g:vimball_home	pi_vimball.txt	/*g:vimball_home*
@@ -8301,6 +8302,7 @@ tex-runon	syntax.txt	/*tex-runon*
 tex-slow	syntax.txt	/*tex-slow*
 tex-stopzone	syntax.txt	/*tex-stopzone*
 tex-style	syntax.txt	/*tex-style*
+tex-supersub	syntax.txt	/*tex-supersub*
 tex-sync	syntax.txt	/*tex-sync*
 tex-verb	syntax.txt	/*tex-verb*
 tex.vim	syntax.txt	/*tex.vim*
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index 40caa2ed93..3dffe92e6d 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -1,4 +1,4 @@
-*todo.txt*      For Vim version 7.4.  Last change: 2014 Aug 29
+*todo.txt*      For Vim version 7.4.  Last change: 2014 Sep 09
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -61,31 +61,24 @@ Breaks test_eval.  Inefficient, can we only compute y_width when needed?
 Problem that a previous silent ":throw" causes a following try/catch not to
 work. (ZyX, 2013 Sep 28)
 
-Patch to fix typos in help files. (Dominique, 2014 Aug 9)
-
-Way to reproduce problem that characters are put on the screen twice in Insert
-mode when using system(). (Jacob Niehus, 2014 Aug 9)
-Related to setting TMODE_COOK.  Perhaps we can omit that for system()?
-
 Update for Romanian spell file. (Vanilla Ice, 2014 Aug 13)
-
-exepath() may return the wrong value.  Patch by Yasuhiro Matsumoto, 2014 Aug
-26.
-
-Win32: use different args for SearchPath()? (Yasuhiro Matsumoto, 2009 Jan 30)
-Also fixes wrong result from executable().
-Update from Ken Takata, 2014 Jan 10. Newer 2014 Apr 3.
+Still produces errors.
+Add flag to ignore fifth argument of SFX.
+Conversion from utf-8 to cp1250 can't be without errors.
 
 Patch to remove ETO_IGNORELANGUAGE, it causes Chinese characters not to show
 up. (Paul Moore, 2014 Jul 30)
 Should it depend on the Windows version?  Waiting for feedback.
 No longer needed after including DirectX patch?
+Related to issue 255?
+
+Problem with linebreak, adds a test that fails. (Nazri Ramliy, 2014 Sep 6)
 
-Fix for ":set all&" not taking care of side effect. (Yukihiro Nakadaira, 2014
-Aug 28)
+Patch to avoid problems with encoding conversion with diff.vim.
+(Yasuhiro Matsumoto, 2014 Sep 1.
 
 Patch by Marcin Szamotulski to add count to :close (2014 Aug 10, update Aug
-14)
+14, Aug 30)
     Make ":1close" close the first window.
     Make ":+1close" close the next window.
     Make ":-1close" close the previous window.
@@ -93,9 +86,16 @@ Can't easily close the help window, like ":pc" closes the preview window and
 ":ccl" closes the quickfix window.  Add ":hclose". (Chris Gaal)
 Patch for :helpclose, Christian Brabandt, 2010 Sep 6.
 
+Patch to fix line formatting bug. (Christian Brabandt, 2014 Sep 7)
+
+Patch to fix ml_get error. (Christian Brabandt, 2014 Sep 7)
+
 Patch by Marcin Szamotulski to add +cmd to buffer commands.
 (2014 Aug 18)
 
+Patch to fix encoding of arguments when setting 'encoding'. (Yasuhiro
+Matsumoto, 2014 Sep 4)
+
 Patch to fix that system() with empty input fails. (Olaf Dabrunz, 2014 Aug 19)
 
 When using a visual selection of multiple words and doing CTRL-W_] it jumps to
@@ -131,6 +131,9 @@ MS-Windows: Crash opening very long file name starting with "\\".
 
 Syntax highlighting slow (hangs) in SASS file. (Niek Bosch, 2013 Aug 21)
 
+Patch to allow for a different icon on MS-Windows. (Yasuhiro Matsumoto, 2014
+Sep 7).
+
 Adding "~" to 'cdpath' doesn't work for completion?  (Davido, 2013 Aug 19)
 
 "hi link" does not respect groups with GUI settings only. (Mark Lodato, 2014
@@ -271,9 +274,6 @@ Include Haiku port? (Adrien Destugues, Siarzhuk Zharski, 2013 Oct 24)
 
 Updated spec ftplugin. (Matěj Cepl, 2013 Oct 16)
 
-Some quickfix messages appear twice. (Gary Johnson, 2014 Feb 16)
-Patch by Christian Brabandt, 2014 Feb 17.
-
 Patch to right-align signs. (James Kolb (email james), 2013 Sep 23)
 
 Patch to handle integer overflow. (Aaron Burrow, 2013 Dec 12)
@@ -1906,6 +1906,10 @@ restored. (Luc St-Louis)
 Patch to support horizontal scroll wheel in GTK. Untested. (Bjorn Winckler,
 2010 Jun 30)
 
+Add an option for a minimal text length before inserting a line break for
+'textwidth'.  Avoids very short lines when a very long word follows.
+(Kartik Agaram)
+
 
 At next release:
 -   Build a huge version by default.
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 896ccc1211..67d3a88288 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2014 Aug 29
+" Last Change:	2014 Sep 05
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
@@ -531,7 +531,7 @@ au BufNewFile,BufRead configure.in,configure.ac setf config
 au BufNewFile,BufRead *.cu			setf cuda
 
 " Dockerfile
-au BufNewFile,BufRead Dockerfile		setf=dockerfile
+au BufNewFile,BufRead Dockerfile		setf dockerfile
 
 " WildPackets EtherPeek Decoder
 au BufNewFile,BufRead *.dcd			setf dcd
@@ -1104,6 +1104,9 @@ au BufNewFile,BufRead *.lou,*.lout		setf lout
 " Lua
 au BufNewFile,BufRead *.lua			setf lua
 
+" Luarocks
+au BufNewFile,BufRead *.rockspec		setf lua
+
 " Linden Scripting Language (Second Life)
 au BufNewFile,BufRead *.lsl			setf lsl
 
diff --git a/runtime/ftplugin/vim.vim b/runtime/ftplugin/vim.vim
index edba37b896..f355d2837d 100644
--- a/runtime/ftplugin/vim.vim
+++ b/runtime/ftplugin/vim.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin
 " Language:	Vim
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2013 Jun 26
+" Last Change:	2014 Sep 07
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -62,9 +62,12 @@ if exists("loaded_matchit")
 	\ '\<try\>:\<cat\%[ch]\>:\<fina\%[lly]\>:\<endt\%[ry]\>,' .
 	\ '\<aug\%[roup]\s\+\%(END\>\)\@!\S:\<aug\%[roup]\s\+END\>,' .
 	\ '(:)'
-  " Ignore ":syntax region" commands, the 'end' argument clobbers if-endif
-  let b:match_skip = 'getline(".") =~ "^\\s*sy\\%[ntax]\\s\\+region" ||
-	\ synIDattr(synID(line("."),col("."),1),"name") =~? "comment\\|string"'
+  " Ignore syntax region commands and settings, any 'en*' would clobber
+  " if-endif.
+  " - set spl=de,en
+  " - au! FileType javascript syntax region foldBraces start=/{/ end=/}/ …
+  let b:match_skip = 'synIDattr(synID(line("."),col("."),1),"name")
+        \ =~? "comment\\|string\\|vimSynReg\\|vimSet"'
 endif
 
 let &cpo = s:cpo_save
diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index 31114bc093..3f719e8244 100644
--- a/runtime/syntax/tex.vim
+++ b/runtime/syntax/tex.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	TeX
 " Maintainer:	Charles E. Campbell <NdrchipO@ScampbellPfamily.AbizM>
-" Last Change:	Mar 20, 2014
-" Version:	81
+" Last Change:	Sep 09, 2014
+" Version:	82
 " URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_TEX
 "
 " Notes: {{{1
@@ -88,6 +88,12 @@ if !exists("g:tex_conceal")
 else
  let s:tex_conceal= g:tex_conceal
 endif
+if !exists("g:tex_superscripts")
+ let g:tex_superscripts= "[0-9a-zA-W.,:;+-<>/()=]"
+endif
+if !exists("g:tex_subscripts")
+ let g:tex_subscripts= "[0-9aehijklmnoprstuvx,+-/().]"
+endif
 
 " Determine whether or not to use "*.sty" mode {{{1
 " The user may override the normal determination by setting
@@ -331,22 +337,22 @@ syn match texSpaceCodeChar    "`\\\=.\(\^.\)\==\(\d\|\"\x\{1,6}\|`.\)"	contained
 if s:tex_fast =~ 'p'
   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 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 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 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 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
@@ -355,22 +361,22 @@ if s:tex_fast =~ 'p'
    endif
   else
    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 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 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 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 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
@@ -620,7 +626,7 @@ if s:tex_fast =~ 'r'
   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 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
+  syn region texCite		contained	matchgroup=Delimiter start='{' end='}'		contains=@texRefGroup,texRefZone,texCite
 endif
 syn match  texRefZone		'\\cite\%([tp]\*\=\)\=' nextgroup=texRefOption,texCite
 
@@ -1045,8 +1051,11 @@ if has("conceal") && &enc == 'utf-8'
    syn region texSubscript	matchgroup=Delimiter start='_{'		skip="\\\\\|\\[{}]" end='}'	contained concealends contains=texSpecialChar,texSubscripts,texStatement,texSubscript,texSuperscript,texMathMatcher
   endif
   fun! s:SuperSub(group,leader,pat,cchar)
-    exe 'syn match '.a:group." '".a:leader.a:pat."' contained conceal cchar=".a:cchar
-    exe 'syn match '.a:group."s '".a:pat."' contained conceal cchar=".a:cchar.' nextgroup='.a:group.'s'
+    if a:pat =~ '^\\' || (a:leader == '\^' && a:pat =~ g:tex_superscripts) || (a:leader == '_' && a:pat =~ g:tex_subscripts)
+"     call Decho("SuperSub: group<".a:group."> leader<".a:leader."> pat<".a:pat."> cchar<".a:cchar.">")
+     exe 'syn match '.a:group." '".a:leader.a:pat."' contained conceal cchar=".a:cchar
+     exe 'syn match '.a:group."s '".a:pat."' contained conceal cchar=".a:cchar.' nextgroup='.a:group.'s'
+    endif
   endfun
   call s:SuperSub('texSuperscript','\^','0','⁰')
   call s:SuperSub('texSuperscript','\^','1','¹')
@@ -1170,44 +1179,44 @@ if has("conceal") && &enc == 'utf-8'
       let i= i + 1
      endfor
    endfun
-   "                    \`  \'  \^  \"  \~  \.  \=  \c  \H  \k  \r  \u  \v
-   call   s:Accents('a','à','á','â','ä','ã','ȧ','ā',' ',' ','ą','å','ă','ǎ')
-   call   s:Accents('A','À','Á','Â','Ä','Ã','Ȧ','Ā',' ',' ','Ą','Å','Ă','Ǎ')
-   call   s:Accents('c',' ','ć','ĉ',' ',' ','ċ',' ','ç',' ',' ',' ',' ','č')
-   call   s:Accents('C',' ','Ć','Ĉ',' ',' ','Ċ',' ','Ç',' ',' ',' ',' ','Č')
-   call   s:Accents('d',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','ď')
-   call   s:Accents('D',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','Ď')
-   call   s:Accents('e','è','é','ê','ë','ẽ','ė','ē','ȩ',' ','ę',' ','ĕ','ě')
-   call   s:Accents('E','È','É','Ê','Ë','Ẽ','Ė','Ē','Ȩ',' ','Ę',' ','Ĕ','Ě')
-   call   s:Accents('g',' ','ǵ','ĝ',' ',' ','ġ',' ','ģ',' ',' ',' ','ğ','ǧ')
-   call   s:Accents('G',' ','Ǵ','Ĝ',' ',' ','Ġ',' ','Ģ',' ',' ',' ','Ğ','Ǧ')
-   call   s:Accents('h',' ',' ','ĥ',' ',' ',' ',' ',' ',' ',' ',' ',' ','ȟ')
-   call   s:Accents('H',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','Ȟ')
-   call   s:Accents('i','ì','í','î','ï','ĩ','į','ī',' ',' ','į',' ','ĭ','ǐ')
-   call   s:Accents('I','Ì','Í','Î','Ï','Ĩ','İ','Ī',' ',' ','Į',' ','Ĭ','Ǐ')
-   call   s:Accents('J',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','ǰ')
-   call   s:Accents('k',' ',' ',' ',' ',' ',' ',' ','ķ',' ',' ',' ',' ','ǩ')
-   call   s:Accents('K',' ',' ',' ',' ',' ',' ',' ','Ķ',' ',' ',' ',' ','Ǩ')
-   call   s:Accents('l',' ','ĺ','ľ',' ',' ',' ',' ','ļ',' ',' ',' ',' ','ľ')
-   call   s:Accents('L',' ','Ĺ','Ľ',' ',' ',' ',' ','Ļ',' ',' ',' ',' ','Ľ')
-   call   s:Accents('n',' ','ń',' ',' ','ñ',' ',' ','ņ',' ',' ',' ',' ','ň')
-   call   s:Accents('N',' ','Ń',' ',' ','Ñ',' ',' ','Ņ',' ',' ',' ',' ','Ň')
-   call   s:Accents('o','ò','ó','ô','ö','õ','ȯ','ō',' ','ő','ǫ',' ','ŏ','ǒ')
-   call   s:Accents('O','Ò','Ó','Ô','Ö','Õ','Ȯ','Ō',' ','Ő','Ǫ',' ','Ŏ','Ǒ')
-   call   s:Accents('r',' ','ŕ',' ',' ',' ',' ',' ','ŗ',' ',' ',' ',' ','ř')
-   call   s:Accents('R',' ','Ŕ',' ',' ',' ',' ',' ','Ŗ',' ',' ',' ',' ','Ř')
-   call   s:Accents('s',' ','ś','ŝ',' ',' ',' ',' ','ş',' ','ȿ',' ',' ','š')
-   call   s:Accents('S',' ','Ś','Ŝ',' ',' ',' ',' ','Ş',' ',' ',' ',' ','Š')
-   call   s:Accents('t',' ',' ',' ',' ',' ',' ',' ','ţ',' ',' ',' ',' ','ť')
-   call   s:Accents('T',' ',' ',' ',' ',' ',' ',' ','Ţ',' ',' ',' ',' ','Ť')
-   call   s:Accents('u','ù','ú','û','ü','ũ',' ','ū',' ','ű','ų','ů','ŭ','ǔ')
-   call   s:Accents('U','Ù','Ú','Û','Ü','Ũ',' ','Ū',' ','Ű','Ų','Ů','Ŭ','Ǔ')
-   call   s:Accents('w',' ',' ','ŵ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ')
-   call   s:Accents('W',' ',' ','Ŵ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ')
-   call   s:Accents('y','ỳ','ý','ŷ','ÿ','ỹ',' ',' ',' ',' ',' ',' ',' ',' ')
-   call   s:Accents('Y','Ỳ','Ý','Ŷ','Ÿ','Ỹ',' ',' ',' ',' ',' ',' ',' ',' ')
-   call   s:Accents('z',' ','ź',' ',' ',' ','ż',' ',' ',' ',' ',' ',' ','ž')
-   call   s:Accents('Z',' ','Ź',' ',' ',' ','Ż',' ',' ',' ',' ',' ',' ','Ž')
+   "                  \`  \'  \^  \"  \~  \.  \=  \c  \H  \k  \r  \u  \v
+   call s:Accents('a','à','á','â','ä','ã','ȧ','ā',' ',' ','ą','å','ă','ǎ')
+   call s:Accents('A','À','Á','Â','Ä','Ã','Ȧ','Ā',' ',' ','Ą','Å','Ă','Ǎ')
+   call s:Accents('c',' ','ć','ĉ',' ',' ','ċ',' ','ç',' ',' ',' ',' ','č')
+   call s:Accents('C',' ','Ć','Ĉ',' ',' ','Ċ',' ','Ç',' ',' ',' ',' ','Č')
+   call s:Accents('d',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','ď')
+   call s:Accents('D',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','Ď')
+   call s:Accents('e','è','é','ê','ë','ẽ','ė','ē','ȩ',' ','ę',' ','ĕ','ě')
+   call s:Accents('E','È','É','Ê','Ë','Ẽ','Ė','Ē','Ȩ',' ','Ę',' ','Ĕ','Ě')
+   call s:Accents('g',' ','ǵ','ĝ',' ',' ','ġ',' ','ģ',' ',' ',' ','ğ','ǧ')
+   call s:Accents('G',' ','Ǵ','Ĝ',' ',' ','Ġ',' ','Ģ',' ',' ',' ','Ğ','Ǧ')
+   call s:Accents('h',' ',' ','ĥ',' ',' ',' ',' ',' ',' ',' ',' ',' ','ȟ')
+   call s:Accents('H',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','Ȟ')
+   call s:Accents('i','ì','í','î','ï','ĩ','į','ī',' ',' ','į',' ','ĭ','ǐ')
+   call s:Accents('I','Ì','Í','Î','Ï','Ĩ','İ','Ī',' ',' ','Į',' ','Ĭ','Ǐ')
+   call s:Accents('J',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','ǰ')
+   call s:Accents('k',' ',' ',' ',' ',' ',' ',' ','ķ',' ',' ',' ',' ','ǩ')
+   call s:Accents('K',' ',' ',' ',' ',' ',' ',' ','Ķ',' ',' ',' ',' ','Ǩ')
+   call s:Accents('l',' ','ĺ','ľ',' ',' ',' ',' ','ļ',' ',' ',' ',' ','ľ')
+   call s:Accents('L',' ','Ĺ','Ľ',' ',' ',' ',' ','Ļ',' ',' ',' ',' ','Ľ')
+   call s:Accents('n',' ','ń',' ',' ','ñ',' ',' ','ņ',' ',' ',' ',' ','ň')
+   call s:Accents('N',' ','Ń',' ',' ','Ñ',' ',' ','Ņ',' ',' ',' ',' ','Ň')
+   call s:Accents('o','ò','ó','ô','ö','õ','ȯ','ō',' ','ő','ǫ',' ','ŏ','ǒ')
+   call s:Accents('O','Ò','Ó','Ô','Ö','Õ','Ȯ','Ō',' ','Ő','Ǫ',' ','Ŏ','Ǒ')
+   call s:Accents('r',' ','ŕ',' ',' ',' ',' ',' ','ŗ',' ',' ',' ',' ','ř')
+   call s:Accents('R',' ','Ŕ',' ',' ',' ',' ',' ','Ŗ',' ',' ',' ',' ','Ř')
+   call s:Accents('s',' ','ś','ŝ',' ',' ',' ',' ','ş',' ','ȿ',' ',' ','š')
+   call s:Accents('S',' ','Ś','Ŝ',' ',' ',' ',' ','Ş',' ',' ',' ',' ','Š')
+   call s:Accents('t',' ',' ',' ',' ',' ',' ',' ','ţ',' ',' ',' ',' ','ť')
+   call s:Accents('T',' ',' ',' ',' ',' ',' ',' ','Ţ',' ',' ',' ',' ','Ť')
+   call s:Accents('u','ù','ú','û','ü','ũ',' ','ū',' ','ű','ų','ů','ŭ','ǔ')
+   call s:Accents('U','Ù','Ú','Û','Ü','Ũ',' ','Ū',' ','Ű','Ų','Ů','Ŭ','Ǔ')
+   call s:Accents('w',' ',' ','ŵ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ')
+   call s:Accents('W',' ',' ','Ŵ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ')
+   call s:Accents('y','ỳ','ý','ŷ','ÿ','ỹ',' ',' ',' ',' ',' ',' ',' ',' ')
+   call s:Accents('Y','Ỳ','Ý','Ŷ','Ÿ','Ỹ',' ',' ',' ',' ',' ',' ',' ',' ')
+   call s:Accents('z',' ','ź',' ',' ',' ','ż',' ',' ',' ',' ',' ',' ','ž')
+   call s:Accents('Z',' ','Ź',' ',' ',' ','Ż',' ',' ',' ',' ',' ',' ','Ž')
    call s:Accents('\\i','ì','í','î','ï','ĩ','į',' ',' ',' ',' ',' ','ĭ',' ')
    "                    \`  \'  \^  \"  \~  \.  \=  \c  \H  \k  \r  \u  \v
    delfun s:Accents
@@ -1252,7 +1261,7 @@ endif
 if did_tex_syntax_inits == 1
  let did_tex_syntax_inits= 2
   " TeX highlighting groups which should share similar highlighting
-  if !exists("s:tex_no_error")
+  if !exists("g:tex_no_error")
    if !exists("g:tex_no_math")
     HiLink texBadMath		texError
     HiLink texMathDelimBad	texError