Update runtime files.
diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index 167300c..5e0d1fd 100644
--- a/runtime/syntax/sh.vim
+++ b/runtime/syntax/sh.vim
@@ -2,8 +2,8 @@
 " Language:		shell (sh) Korn shell (ksh) bash (sh)
 " Maintainer:		Charles E. Campbell  <NdrOchipS@PcampbellAfamily.Mbiz>
 " Previous Maintainer:	Lennart Schultz <Lennart.Schultz@ecmwf.int>
-" Last Change:		Jul 31, 2018
-" Version:		179
+" Last Change:		Sep 04, 2018
+" Version:		182
 " URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
 " For options and settings, please use:      :help ft-sh-syntax
 " This file includes many ideas from Eric Brunet (eric.brunet@ens.fr)
@@ -151,6 +151,7 @@
 syn cluster shSubShList	contains=@shCommandSubList,shCommandSubBQ,shCaseEsac,shColon,shCommandSub,shComment,shDo,shEcho,shExpr,shFor,shIf,shHereString,shRedir,shSetList,shSource,shStatement,shVariable,shCtrlSeq,shOperator
 syn cluster shTestList	contains=shCharClass,shCommandSub,shCommandSubBQ,shCtrlSeq,shDeref,shDerefSimple,shDoubleQuote,shSpecialDQ,shExDoubleQuote,shExpr,shExSingleQuote,shNumber,shOperator,shSingleQuote,shTest,shTestOpr
 syn cluster shNoZSList	contains=shSpecialNoZS
+syn cluster shForList	contains=shTestOpr,shNumber,shDerefSimple,shDeref,shCommandSub,shCommandSubBQ,shArithmetic
 
 " Echo: {{{1
 " ====
@@ -243,7 +244,7 @@
 ShFoldIfDoFor syn region shDo	transparent	matchgroup=shConditional start="\<do\>" matchgroup=shConditional end="\<done\>"			contains=@shLoopList
 ShFoldIfDoFor syn region shIf	transparent	matchgroup=shConditional start="\<if\_s" matchgroup=shConditional skip=+-fi\>+ end="\<;\_s*then\>" end="\<fi\>"	contains=@shIfList
 ShFoldIfDoFor syn region shFor		matchgroup=shLoop start="\<for\ze\_s\s*\%(((\)\@!" end="\<in\>" end="\<do\>"me=e-2			contains=@shLoopList,shDblParen skipwhite nextgroup=shCurlyIn
-ShFoldIfDoFor syn region shForPP	matchgroup=shLoop start='\<for\>\_s*((' end='))' contains=shTestOpr
+ShFoldIfDoFor syn region shForPP	matchgroup=shLoop start='\<for\>\_s*((' end='))' contains=@shForList
 
 if exists("b:is_kornshell") || exists("b:is_bash") || exists("b:is_posix")
  syn cluster shCaseList	add=shRepeat
@@ -290,7 +291,7 @@
 " Misc: {{{1
 "======
 syn match   shWrapLineOperator "\\$"
-syn region  shCommandSubBQ   	start="`" skip="\\\\\|\\." end="`"	contains=@shCommandSubList
+syn region  shCommandSubBQ   	start="`" skip="\\\\\|\\." end="`"	contains=shBQComment,@shCommandSubList
 syn match   shEscape	contained	'\%(^\)\@!\%(\\\\\)*\\.'	nextgroup=shSingleQuote,shDoubleQuote,shComment
 
 " $() and $(()): {{{1
@@ -374,6 +375,7 @@
 syn match	shComment		"\s\zs#.*$"	contains=@shCommentGroup
 syn match	shComment	contained	"#.*$"	contains=@shCommentGroup
 syn match	shQuickComment	contained	"#.*$"
+syn match	shBQComment	contained	"#.\{-}\ze`"	contains=@shCommentGroup
 
 " Here Documents: {{{1
 " =========================================
@@ -525,8 +527,8 @@
  syn region shDerefPPSright	contained	start='.'	skip=@\%(\\\\\)\+@		end='\ze}'	contains=@shPPSRightList
 
  " bash : ${parameter/#substring/replacement}
- syn match  shDerefPSR	contained	'/#'	nextgroup=shDerefPSRleft
- syn region shDerefPSRleft	contained	start='.'	skip=@\%(\\\\\)*\\/@ matchgroup=shDerefOp	end='/' end='\ze}' nextgroup=shDerefPSRright
+ syn match  shDerefPSR	contained	'/#'	nextgroup=shDerefPSRleft,shDoubleQuote,shSingleQuote
+ syn region shDerefPSRleft	contained	start='[^"']'	skip=@\%(\\\\\)*\\/@ matchgroup=shDerefOp	end='/' end='\ze}' nextgroup=shDerefPSRright
  syn region shDerefPSRright	contained	start='.'	skip=@\%(\\\\\)\+@		end='\ze}'
 endif
 
@@ -534,7 +536,7 @@
 "syn region shParen matchgroup=shArithRegion start='[^$]\zs(\%(\ze[^(]\|$\)' end=')' contains=@shArithParenList
 syn region shParen matchgroup=shArithRegion start='\$\@!(\%(\ze[^(]\|$\)' end=')' contains=@shArithParenList
 
-" Useful sh Keywords: {{{1
+" Additional sh Keywords: {{{1
 " ===================
 syn keyword shStatement break cd chdir continue eval exec exit kill newgrp pwd read readonly return shift test trap ulimit umask wait
 syn keyword shConditional contained elif else then
@@ -542,20 +544,22 @@
  syn keyword shCondError elif else then
 endif
 
-" Useful ksh Keywords: {{{1
-" ====================
+" Additional ksh Keywords and Aliases: {{{1
+" ===================================
 if exists("b:is_kornshell") || exists("b:is_bash") || exists("b:is_posix")
- syn keyword shStatement autoload bg false fc fg functions getopts hash history integer jobs let nohup printf r stop suspend times true type unalias whence
+ syn keyword shStatement bg builtin disown enum export false fg getconf getopts hist jobs let printf sleep true typeset unalias unset whence
+ syn keyword shStatement autoload compound fc float functions hash history integer nameref nohup r redirect source stop suspend times type
  if exists("b:is_posix")
   syn keyword shStatement command
  else
   syn keyword shStatement time
  endif
 
-" Useful bash Keywords: {{{1
+" Additional bash Keywords: {{{1
 " =====================
  if exists("b:is_bash")
-  syn keyword shStatement bind builtin dirs disown enable help logout popd pushd shopt source
+"  syn keyword shStatement bind builtin dirs disown enable help logout popd pushd shopt source
+syn keyword shStatement bind builtin caller compopt declare dirs disown enable export help local logout mapfile popd pushd readarray shopt source typeset unset
  else
   syn keyword shStatement login newgrp
  endif
@@ -637,6 +641,7 @@
  hi def link shParen	shArithmetic
  hi def link shPosnParm	shShellVariables
  hi def link shQuickComment	shComment
+ hi def link shBQComment	shComment
  hi def link shRange	shOperator
  hi def link shRedir	shOperator
  hi def link shSetListDelim	shOperator
diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index d5f900a..18c3a04 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 30, 2018
-" Version:	109
+" Last Change:	Sep 09, 2018
+" Version:	110
 " URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_TEX
 "
 " Notes: {{{1
@@ -596,7 +596,6 @@
   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
    if b:tex_stylish
     syn region texZone		start="\\verb\*\=\z([^\ta-zA-Z@]\)"	end="\z1\|%stopzone\>"			contains=@Spell
    else
@@ -683,13 +682,7 @@
     \ ['approx'		, '≈'],
     \ ['ast'		, '∗'],
     \ ['asymp'		, '≍'],
-    \ ['backepsilon'	, '∍'],
-    \ ['backsimeq'	, '≃'],
     \ ['backslash'	, '∖'],
-    \ ['barwedge'	, '⊼'],
-    \ ['because'	, '∵'],
-    \ ['beth'           , 'ܒ'],
-    \ ['between'	, '≬'],
     \ ['bigcap'		, '∩'],
     \ ['bigcirc'	, '○'],
     \ ['bigcup'		, '∪'],
@@ -701,38 +694,18 @@
     \ ['bigtriangleup'	, '∆'],
     \ ['bigvee'		, '⋁'],
     \ ['bigwedge'	, '⋀'],
-    \ ['blacksquare'	, '∎'],
     \ ['bot'		, '⊥'],
     \ ['bowtie'	        , '⋈'],
-    \ ['boxdot'		, '⊡'],
-    \ ['boxminus'	, '⊟'],
-    \ ['boxplus'	, '⊞'],
-    \ ['boxtimes'	, '⊠'],
-    \ ['Box'            , '☐'],
     \ ['bullet'	        , '•'],
-    \ ['bumpeq'		, '≏'],
-    \ ['Bumpeq'		, '≎'],
     \ ['cap'		, '∩'],
-    \ ['Cap'		, '⋒'],
     \ ['cdot'		, '·'],
     \ ['cdots'		, '⋯'],
     \ ['circ'		, '∘'],
-    \ ['circeq'		, '≗'],
-    \ ['circlearrowleft', '↺'],
-    \ ['circlearrowright', '↻'],
-    \ ['circledast'	, '⊛'],
-    \ ['circledcirc'	, '⊚'],
     \ ['clubsuit'	, '♣'],
-    \ ['complement'	, '∁'],
     \ ['cong'		, '≅'],
     \ ['coprod'		, '∐'],
     \ ['copyright'	, '©'],
     \ ['cup'		, '∪'],
-    \ ['Cup'		, '⋓'],
-    \ ['curlyeqprec'	, '⋞'],
-    \ ['curlyeqsucc'	, '⋟'],
-    \ ['curlyvee'	, '⋎'],
-    \ ['curlywedge'	, '⋏'],
     \ ['dagger'	        , '†'],
     \ ['dashv'		, '⊣'],
     \ ['ddagger'	, '‡'],
@@ -741,50 +714,27 @@
     \ ['diamondsuit'	, '♢'],
     \ ['div'		, '÷'],
     \ ['doteq'		, '≐'],
-    \ ['doteqdot'	, '≑'],
-    \ ['dotplus'	, '∔'],
     \ ['dots'		, '…'],
-    \ ['dotsb'		, '⋯'],
-    \ ['dotsc'		, '…'],
-    \ ['dotsi'		, '⋯'],
-    \ ['dotso'		, '…'],
-    \ ['doublebarwedge'	, '⩞'],
     \ ['downarrow'	, '↓'],
     \ ['Downarrow'	, '⇓'],
     \ ['ell'		, 'ℓ'],
     \ ['emptyset'	, '∅'],
-    \ ['eqcirc'		, '≖'],
-    \ ['eqsim'		, '≂'],
-    \ ['eqslantgtr'	, '⪖'],
-    \ ['eqslantless'	, '⪕'],
     \ ['equiv'		, '≡'],
-    \ ['eth'            , 'ð'],
     \ ['exists'		, '∃'],
-    \ ['fallingdotseq'	, '≒'],
     \ ['flat'		, '♭'],
     \ ['forall'		, '∀'],
     \ ['frown'		, '⁔'],
     \ ['ge'		, '≥'],
     \ ['geq'		, '≥'],
-    \ ['geqq'		, '≧'],
     \ ['gets'		, '←'],
-    \ ['gimel'          , 'ℷ'],
     \ ['gg'		, '⟫'],
-    \ ['gneqq'		, '≩'],
-    \ ['gtrdot'		, '⋗'],
-    \ ['gtreqless'	, '⋛'],
-    \ ['gtrless'	, '≷'],
-    \ ['gtrsim'		, '≳'],
     \ ['hbar'		, 'ℏ'],
     \ ['heartsuit'	, '♡'],
     \ ['hookleftarrow'	, '↩'],
     \ ['hookrightarrow'	, '↪'],
     \ ['iff'            , '⇔'],
-    \ ['iiint'		, '∭'],
-    \ ['iint'		, '∬'],
     \ ['Im'		, 'ℑ'],
     \ ['imath'		, 'ɩ'],
-    \ ['implies'	, '⇒'],
     \ ['in'		, '∈'],
     \ ['infty'		, '∞'],
     \ ['int'		, '∫'],
@@ -793,69 +743,33 @@
     \ ['lceil'		, '⌈'],
     \ ['ldots'		, '…'],
     \ ['le'		, '≤'],
-    \ ['leadsto'	, '↝'],
     \ ['left('		, '('],
     \ ['left\['		, '['],
     \ ['left\\{'	, '{'],
     \ ['leftarrow'	, '←'],
     \ ['Leftarrow'	, '⇐'],
-    \ ['leftarrowtail'	, '↢'],
     \ ['leftharpoondown', '↽'],
     \ ['leftharpoonup'	, '↼'],
     \ ['leftrightarrow'	, '↔'],
     \ ['Leftrightarrow'	, '⇔'],
-    \ ['leftrightsquigarrow', '↭'],
-    \ ['leftthreetimes'	, '⋋'],
     \ ['leq'		, '≤'],
     \ ['leq'		, '≤'],
-    \ ['leqq'		, '≦'],
-    \ ['lessdot'	, '⋖'],
-    \ ['lesseqgtr'	, '⋚'],
-    \ ['lesssim'	, '≲'],
     \ ['lfloor'		, '⌊'],
     \ ['ll'		, '≪'],
     \ ['lmoustache'     , '╭'],
-    \ ['lneqq'		, '≨'],
     \ ['lor'		, '∨'],
-    \ ['ltimes'		, '⋉'],
     \ ['mapsto'		, '↦'],
-    \ ['measuredangle'	, '∡'],
     \ ['mid'		, '∣'],
     \ ['models'		, '╞'],
     \ ['mp'		, '∓'],
     \ ['nabla'		, '∇'],
     \ ['natural'	, '♮'],
-    \ ['ncong'		, '≇'],
     \ ['ne'		, '≠'],
     \ ['nearrow'	, '↗'],
     \ ['neg'		, '¬'],
     \ ['neq'		, '≠'],
-    \ ['nexists'	, '∄'],
-    \ ['ngeq'		, '≱'],
-    \ ['ngeqq'		, '≱'],
-    \ ['ngtr'		, '≯'],
     \ ['ni'		, '∋'],
-    \ ['nleftarrow'	, '↚'],
-    \ ['nLeftarrow'	, '⇍'],
-    \ ['nLeftrightarrow', '⇎'],
-    \ ['nleq'		, '≰'],
-    \ ['nleqq'		, '≰'],
-    \ ['nless'		, '≮'],
-    \ ['nmid'		, '∤'],
     \ ['notin'		, '∉'],
-    \ ['nparallel'      , '∦'],
-    \ ['nprec'		, '⊀'],
-    \ ['nrightarrow'	, '↛'],
-    \ ['nRightarrow'	, '⇏'],
-    \ ['nsim'		, '≁'],
-    \ ['nsucc'		, '⊁'],
-    \ ['ntriangleleft'	, '⋪'],
-    \ ['ntrianglelefteq', '⋬'],
-    \ ['ntriangleright'	, '⋫'],
-    \ ['ntrianglerighteq', '⋭'],
-    \ ['nvdash'		, '⊬'],
-    \ ['nvDash'		, '⊭'],
-    \ ['nVdash'		, '⊮'],
     \ ['nwarrow'	, '↖'],
     \ ['odot'		, '⊙'],
     \ ['oint'		, '∮'],
@@ -868,15 +782,9 @@
     \ ['parallel'	, '║'],
     \ ['partial'	, '∂'],
     \ ['perp'		, '⊥'],
-    \ ['pitchfork'	, '⋔'],
     \ ['pm'		, '±'],
     \ ['prec'		, '≺'],
-    \ ['precapprox'	, '⪷'],
-    \ ['preccurlyeq'	, '≼'],
     \ ['preceq'		, '⪯'],
-    \ ['precnapprox'	, '⪹'],
-    \ ['precneqq'	, '⪵'],
-    \ ['precsim'	, '≾'],
     \ ['prime'		, '′'],
     \ ['prod'		, '∏'],
     \ ['propto'		, '∝'],
@@ -888,13 +796,8 @@
     \ ['right\\}'	, '}'],
     \ ['rightarrow'	, '→'],
     \ ['Rightarrow'	, '⇒'],
-    \ ['rightarrowtail'	, '↣'],
     \ ['rightleftharpoons', '⇌'],
-    \ ['rightsquigarrow', '↝'],
-    \ ['rightthreetimes', '⋌'],
-    \ ['risingdotseq'	, '≓'],
     \ ['rmoustache'     , '╮'],
-    \ ['rtimes'		, '⋊'],
     \ ['S'	        , '§'],
     \ ['searrow'	, '↘'],
     \ ['setminus'	, '∖'],
@@ -903,7 +806,6 @@
     \ ['simeq'		, '⋍'],
     \ ['smile'		, '‿'],
     \ ['spadesuit'	, '♠'],
-    \ ['sphericalangle'	, '∢'],
     \ ['sqcap'		, '⊓'],
     \ ['sqcup'		, '⊔'],
     \ ['sqsubset'	, '⊏'],
@@ -912,60 +814,30 @@
     \ ['sqsupseteq'	, '⊒'],
     \ ['star'		, '✫'],
     \ ['subset'		, '⊂'],
-    \ ['Subset'		, '⋐'],
     \ ['subseteq'	, '⊆'],
-    \ ['subseteqq'	, '⫅'],
-    \ ['subsetneq'	, '⊊'],
-    \ ['subsetneqq'	, '⫋'],
     \ ['succ'		, '≻'],
-    \ ['succapprox'	, '⪸'],
-    \ ['succcurlyeq'	, '≽'],
     \ ['succeq'		, '⪰'],
-    \ ['succnapprox'	, '⪺'],
-    \ ['succneqq'	, '⪶'],
-    \ ['succsim'	, '≿'],
     \ ['sum'		, '∑'],
     \ ['supset'		, '⊃'],
-    \ ['Supset'		, '⋑'],
     \ ['supseteq'	, '⊇'],
-    \ ['supseteqq'	, '⫆'],
-    \ ['supsetneq'	, '⊋'],
-    \ ['supsetneqq'	, '⫌'],
     \ ['surd'		, '√'],
     \ ['swarrow'	, '↙'],
-    \ ['therefore'	, '∴'],
     \ ['times'		, '×'],
     \ ['to'		, '→'],
     \ ['top'		, '⊤'],
     \ ['triangle'	, '∆'],
     \ ['triangleleft'	, '⊲'],
-    \ ['trianglelefteq'	, '⊴'],
-    \ ['triangleq'	, '≜'],
     \ ['triangleright'	, '⊳'],
-    \ ['trianglerighteq', '⊵'],
-    \ ['twoheadleftarrow', '↞'],
-    \ ['twoheadrightarrow', '↠'],
-    \ ['ulcorner'       , '⌜'],
     \ ['uparrow'	, '↑'],
     \ ['Uparrow'	, '⇑'],
     \ ['updownarrow'	, '↕'],
     \ ['Updownarrow'	, '⇕'],
-    \ ['urcorner'       , '⌝'],
-    \ ['varnothing'	, '∅'],
-    \ ['vartriangle'	, '∆'],
     \ ['vdash'		, '⊢'],
-    \ ['vDash'		, '⊨'],
-    \ ['Vdash'		, '⊩'],
     \ ['vdots'		, '⋮'],
     \ ['vee'		, '∨'],
-    \ ['veebar'		, '⊻'],
-    \ ['Vvdash'		, '⊪'],
     \ ['wedge'		, '∧'],
     \ ['wp'		, '℘'],
     \ ['wr'		, '≀']]
-"    \ ['jmath'		, 'X']
-"    \ ['uminus'	, 'X']
-"    \ ['uplus'		, 'X']
   if &ambw == "double" || exists("g:tex_usedblwidth")
     let s:texMathList= s:texMathList + [
     \ ['right\\rangle'	, '〉'],