vim-patch:723dd946f948

Update runtime files.
https://github.com/vim/vim/commit/723dd946f94856be94a943876945fb1bd8169059

12 files changed, 79 insertions, 80 deletions

diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index aa7e58acc4..2af955b8c2 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -3009,7 +3009,7 @@ complete_info([{what}])
 		completion.  See |ins-completion|.
 		The items are:
 		   mode		Current completion mode name string.
-				See |completion_info_mode| for the values.
+				See |complete_info_mode| for the values.
 		   pum_visible	|TRUE| if popup menu is visible.
 				See |pumvisible()|.
 		   items	List of completion matches.  Each item is a
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 0a0973e7d3..431b8de858 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:	2019 Mar 19
+" Last Change:	2019 Mar 26
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
@@ -42,6 +42,8 @@ endif
 
 " Function used for patterns that end in a star: don't set the filetype if the
 " file name matches ft_ignore_pat.
+" When using this, the entry should probably be further down below with the
+" other StarSetf() calls.
 func! s:StarSetf(ft)
   if expand("<amatch>") !~ g:ft_ignore_pat
     exe 'setf ' . a:ft
@@ -91,9 +93,6 @@ au BufNewFile,BufRead build.xml			setf ant
 " Arduino
 au BufNewFile,BufRead *.ino,*.pde		setf arduino
 
-" Apache style config file
-au BufNewFile,BufRead proftpd.conf*		call s:StarSetf('apachestyle')
-
 " Apache config file
 au BufNewFile,BufRead .htaccess,*/etc/httpd/*.conf		setf apache
 au BufNewFile,BufRead */etc/apache2/sites-*/*.com		setf apache
@@ -651,7 +650,6 @@ au BufNewFile,BufRead gnashrc,.gnashrc,gnashpluginrc,.gnashpluginrc setf gnash
 
 " Gitolite
 au BufNewFile,BufRead gitolite.conf		setf gitolite
-au BufNewFile,BufRead */gitolite-admin/conf/*	call s:StarSetf('gitolite')
 au BufNewFile,BufRead {,.}gitolite.rc,example.gitolite.rc	setf perl
 
 " Gnuplot scripts
@@ -800,7 +798,6 @@ au BufNewFile,BufRead *.jsp			setf jsp
 
 " Java Properties resource file (note: doesn't catch font.properties.pl)
 au BufNewFile,BufRead *.properties,*.properties_??,*.properties_??_??	setf jproperties
-au BufNewFile,BufRead *.properties_??_??_*	call s:StarSetf('jproperties')
 
 " Jess
 au BufNewFile,BufRead *.clp			setf jess
@@ -1458,7 +1455,6 @@ au BufNewFile,BufRead *.decl,*.dcl,*.dec
 
 " SGML catalog file
 au BufNewFile,BufRead catalog			setf catalog
-au BufNewFile,BufRead sgml.catalog*		call s:StarSetf('catalog')
 
 " Shell scripts (sh, ksh, bash, bash2, csh); Allow .profile_foo etc.
 " Gentoo ebuilds and Arch Linux PKGBUILDs are actually bash scripts
@@ -1745,7 +1741,6 @@ au BufNewFile,BufRead *.sv,*.svh		setf systemverilog
 
 " VHDL
 au BufNewFile,BufRead *.hdl,*.vhd,*.vhdl,*.vbe,*.vst  setf vhdl
-au BufNewFile,BufRead *.vhdl_[0-9]*		call s:StarSetf('vhdl')
 
 " Vim script
 au BufNewFile,BufRead *.vim,*.vba,.exrc,_exrc	setf vim
@@ -1958,6 +1953,7 @@ au StdinReadPost * if !did_filetype() | runtime! scripts.vim | endif
 
 " More Apache style config files
 au BufNewFile,BufRead */etc/proftpd/*.conf*,*/etc/proftpd/conf.*/*	call s:StarSetf('apachestyle')
+au BufNewFile,BufRead proftpd.conf*					call s:StarSetf('apachestyle')
 
 " More Apache config files
 au BufNewFile,BufRead access.conf*,apache.conf*,apache2.conf*,httpd.conf*,srm.conf*	call s:StarSetf('apache')
@@ -2014,6 +2010,12 @@ au BufNewFile,BufRead *fvwm2rc*
 " Gedcom
 au BufNewFile,BufRead */tmp/lltmp*		call s:StarSetf('gedcom')
 
+" Git
+au BufNewFile,BufRead */.gitconfig.d/*,/etc/gitconfig.d/* 	call s:StarSetf('gitconfig')
+
+" Gitolite
+au BufNewFile,BufRead */gitolite-admin/conf/*	call s:StarSetf('gitolite')
+
 " GTK RC
 au BufNewFile,BufRead .gtkrc*,gtkrc*		call s:StarSetf('gtkrc')
 
@@ -2026,6 +2028,9 @@ au! BufNewFile,BufRead *jarg*
 	\|  call s:StarSetf('jargon')
 	\|endif
 
+" Java Properties resource file (note: doesn't catch font.properties.pl)
+au BufNewFile,BufRead *.properties_??_??_*	call s:StarSetf('jproperties')
+
 " Kconfig
 au BufNewFile,BufRead Kconfig.*			call s:StarSetf('kconfig')
 
@@ -2087,6 +2092,9 @@ au BufRead,BufNewFile *.rdf			call dist#ft#Redif()
 " Remind
 au BufNewFile,BufRead .reminders*		call s:StarSetf('remind')
 
+" SGML catalog file
+au BufNewFile,BufRead sgml.catalog*		call s:StarSetf('catalog')
+
 " Shell scripts ending in a star
 au BufNewFile,BufRead .bashrc*,.bash[_-]profile*,.bash[_-]logout*,.bash[_-]aliases*,bash-fc[-.]*,,PKGBUILD* call dist#ft#SetFileTypeSH("bash")
 au BufNewFile,BufRead .kshrc* call dist#ft#SetFileTypeSH("ksh")
@@ -2098,6 +2106,9 @@ au BufNewFile,BufRead .tcshrc*	call dist#ft#SetFileTypeShell("tcsh")
 " csh scripts ending in a star
 au BufNewFile,BufRead .login*,.cshrc*  call dist#ft#CSH()
 
+" VHDL
+au BufNewFile,BufRead *.vhdl_[0-9]*		call s:StarSetf('vhdl')
+
 " Vim script
 au BufNewFile,BufRead *vimrc*			call s:StarSetf('vim')
 
diff --git a/runtime/ftplugin/make.vim b/runtime/ftplugin/make.vim
index fb180c0e5f..bfa8703082 100644
--- a/runtime/ftplugin/make.vim
+++ b/runtime/ftplugin/make.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin file
 " Language:	Make
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2013 Apr 22
+" Last Change:	2019 Apr 02
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -27,7 +27,7 @@ setlocal commentstring=#\ %s
 " Including files.
 let &l:include = '^\s*include'
 
-" For matchit.vim, suggested by Albert Netymk.
+" For matchit.vim, suggested by Albert Netymk and Ken Takata.
 if exists("loaded_matchit")
-  let b:match_words = '\<if\(n\)\=\(eq\|def\)\>:\<else\>:\<endif\>,\<define\>:\<endef\>'
+  let b:match_words = '^ *ifn\=\(eq\|def\)\>:^ *else\(\s\+ifn\=\(eq\|def\)\)\=\>:^ *endif\>,\<define\>:\<endef\>,^!\s*if\(n\=def\)\=\>:^!\s*else\(if\(n\=def\)\=\)\=\>:^!\s*endif\>'
 endif
diff --git a/runtime/indent/sh.vim b/runtime/indent/sh.vim
index 0396b4eb94..32bc9f35bb 100644
--- a/runtime/indent/sh.vim
+++ b/runtime/indent/sh.vim
@@ -3,13 +3,10 @@
 " Maintainer:          Christian Brabandt <cb@256bit.org>
 " Original Author:     Nikolai Weibull <now@bitwi.se>
 " Previous Maintainer: Peter Aronoff <telemachus@arpinum.org>
-" Latest Revision:     2019-02-02
+" Latest Revision:     2018-03-26
 " License:             Vim (see :h license)
 " Repository:          https://github.com/chrisbra/vim-sh-indent
 " Changelog:
-"          20190316  - Make use of searchpairpos for nested if sections
-"                      fixes #11
-"          20190201  - Better check for closing if sections
 "          20180724  - make check for zsh syntax more rigid (needs word-boundaries)
 "          20180326  - better support for line continuation
 "          20180325  - better detection of function definitions
@@ -62,7 +59,6 @@ function! s:indent_value(option)
 endfunction
 
 function! GetShIndent()
-  let curline = getline(v:lnum)
   let lnum = prevnonblank(v:lnum - 1)
   if lnum == 0
     return 0
@@ -76,7 +72,7 @@ function! GetShIndent()
   " Check contents of previous lines
   if line =~ '^\s*\%(if\|then\|do\|else\|elif\|case\|while\|until\|for\|select\|foreach\)\>' ||
         \  (&ft is# 'zsh' && line =~ '\<\%(if\|then\|do\|else\|elif\|case\|while\|until\|for\|select\|foreach\)\>')
-    if !s:is_end_expression(line)
+    if line !~ '\<\%(fi\|esac\|done\|end\)\>\s*\%(#.*\)\=$'
       let ind += s:indent_value('default')
     endif
   elseif s:is_case_label(line, pnum)
@@ -94,10 +90,7 @@ function! GetShIndent()
     endif
   elseif s:end_block(line) && !s:start_block(line)
     let ind -= s:indent_value('default')
-  elseif pnum != 0 &&
-        \ s:is_continuation_line(pline) &&
-        \ !s:end_block(curline) &&
-        \ !s:is_end_expression(curline)
+  elseif pnum != 0 && s:is_continuation_line(pline) && !s:end_block(getline(v:lnum))
     " only add indent, if line and pline is in the same block
     let i = v:lnum
     let ind2 = indent(s:find_continued_lnum(pnum))
@@ -113,15 +106,8 @@ function! GetShIndent()
 
   let pine = line
   " Check content of current line
-  let line = curline
-  " Current line is a endif line, so get indent from start of "if condition" line
-  " TODO: should we do the same for other "end" lines?
-  if curline =~ '^\s*\%(fi\)\s*\%(#.*\)\=$'
-    let previous_line = searchpair('\<if\>', '', '\<fi\>', 'bnW')
-    if previous_line > 0
-      let ind = indent(previous_line)
-    endif
-  elseif line =~ '^\s*\%(then\|do\|else\|elif\|done\|end\)\>' || s:end_block(line)
+  let line = getline(v:lnum)
+  if line =~ '^\s*\%(then\|do\|else\|elif\|fi\|done\|end\)\>' || s:end_block(line)
     let ind -= s:indent_value('default')
   elseif line =~ '^\s*esac\>' && s:is_case_empty(getline(v:lnum - 1))
     let ind -= s:indent_value('default')
@@ -224,8 +210,8 @@ endfunction
 
 function! s:is_here_doc(line)
     if a:line =~ '^\w\+$'
-      let here_pat = '<<-\?'. s:escape(a:line). '\$'
-      return search(here_pat, 'bnW') > 0
+	let here_pat = '<<-\?'. s:escape(a:line). '\$'
+	return search(here_pat, 'bnW') > 0
     endif
     return 0
 endfunction
@@ -270,9 +256,5 @@ function! s:is_comment(line)
   return a:line =~ '^\s*#'
 endfunction
 
-function! s:is_end_expression(line)
-  return a:line =~ '\<\%(fi\|esac\|done\|end\)\>\s*\%(#.*\)\=$'
-endfunction
-
 let &cpo = s:cpo_save
 unlet s:cpo_save
diff --git a/runtime/syntax/dcl.vim b/runtime/syntax/dcl.vim
index b973db3434..c0d0ebcf95 100644
--- a/runtime/syntax/dcl.vim
+++ b/runtime/syntax/dcl.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	DCL (Digital Command Language - vms)
 " Maintainer:	Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
-" Last Change:	Aug 31, 2016
-" Version:	11
+" Last Change:	Mar 26, 2019
+" Version:	12
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_DCL
 
 " quit when a syntax file was already loaded
@@ -10,10 +10,10 @@ if exists("b:current_syntax")
   finish
 endif
 
-if !has("patch-7.4.1142")
-  setlocal iskeyword=$,@,48-57,_
-else
+if (v:version == 704 && has("patch-7.4.1142")) || v:version > 704
  syn iskeyword $,@,48-57,_
+else
+ setlocal iskeyword=$,@,48-57,_
 endif
 
 syn case ignore
diff --git a/runtime/syntax/lisp.vim b/runtime/syntax/lisp.vim
index b6aa04b2c7..d99e032bbf 100644
--- a/runtime/syntax/lisp.vim
+++ b/runtime/syntax/lisp.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:    Lisp
 " Maintainer:  Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
-" Last Change: Feb 15, 2018
-" Version:     27
+" Last Change: Mar 26, 2019
+" Version:     28
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_LISP
 "
 "  Thanks to F Xavier Noria for a list of 978 Common Lisp symbols taken from HyperSpec
@@ -16,10 +16,10 @@ endif
 
 if exists("g:lisp_isk")
  exe "setl isk=".g:lisp_isk
-elseif !has("patch-7.4.1142")
- setl isk=38,42,43,45,47-58,60-62,64-90,97-122,_
-else
+elseif (v:version == 704 && has("patch-7.4.1142")) || v:version > 704
  syn iskeyword 38,42,43,45,47-58,60-62,64-90,97-122,_
+else
+ setl isk=38,42,43,45,47-58,60-62,64-90,97-122,_
 endif
 
 if exists("g:lispsyntax_ignorecase") || exists("g:lispsyntax_clisp")
diff --git a/runtime/syntax/make.vim b/runtime/syntax/make.vim
index 16e66bc8f2..377e4450d9 100644
--- a/runtime/syntax/make.vim
+++ b/runtime/syntax/make.vim
@@ -3,7 +3,7 @@
 " Maintainer:	Roland Hieber <rohieb+vim-iR0jGdkV@rohieb.name>
 " Previous Maintainer:	Claudio Fleiner <claudio@fleiner.com>
 " URL:		https://github.com/vim/vim/syntax/make.vim
-" Last Change:	2019 Feb 08
+" Last Change:	2019 Apr 02
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -19,7 +19,7 @@ syn match makeSpecial	"^\s*[@+-]\+"
 syn match makeNextLine	"\\\n\s*"
 
 " some directives
-syn match makePreCondit	"^ *\(ifeq\>\|else\>\|endif\>\|ifneq\>\|ifdef\>\|ifndef\>\)"
+syn match makePreCondit	"^ *\(ifn\=\(eq\|def\)\>\|else\(\s\+ifn\=\(eq\|def\)\)\=\>\|endif\>\)"
 syn match makeInclude	"^ *[-s]\=include"
 syn match makeStatement	"^ *vpath"
 syn match makeExport    "^ *\(export\|unexport\)\>"
@@ -32,8 +32,8 @@ syn region makeDefine start="^\s*define\s" end="^\s*endef\s*\(#.*\)\?$" contains
 
 " Microsoft Makefile specials
 syn case ignore
-syn match makeInclude	"^! *include"
-syn match makePreCondit "! *\(cmdswitches\|error\|message\|include\|if\|ifdef\|ifndef\|else\|elseif\|else if\|else\s*ifdef\|else\s*ifndef\|endif\|undef\)\>"
+syn match makeInclude	"^!\s*include"
+syn match makePreCondit "^!\s*\(cmdswitches\|error\|message\|include\|if\|ifdef\|ifndef\|else\|else\s*if\|else\s*ifdef\|else\s*ifndef\|endif\|undef\)\>"
 syn case match
 
 " identifiers
@@ -101,17 +101,17 @@ syn sync match makeCommandSync groupthere makeCommands "^[A-Za-z0-9_./$()%-][A-Z
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
 
-hi def link makeNextLine		makeSpecial
+hi def link makeNextLine	makeSpecial
 hi def link makeCmdNextLine	makeSpecial
-hi def link makeSpecTarget		Statement
+hi def link makeSpecTarget	Statement
 if !exists("make_no_commands")
-hi def link makeCommands		Number
+hi def link makeCommands	Number
 endif
-hi def link makeImplicit		Function
+hi def link makeImplicit	Function
 hi def link makeTarget		Function
 hi def link makeInclude		Include
-hi def link makePreCondit		PreCondit
-hi def link makeStatement		Statement
+hi def link makePreCondit	PreCondit
+hi def link makeStatement	Statement
 hi def link makeIdent		Identifier
 hi def link makeSpecial		Special
 hi def link makeComment		Comment
diff --git a/runtime/syntax/maple.vim b/runtime/syntax/maple.vim
index 1261ff5a47..f14cf79cf4 100644
--- a/runtime/syntax/maple.vim
+++ b/runtime/syntax/maple.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	Maple V (based on release 4)
 " Maintainer:	Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
-" Last Change:	Aug 31, 2016
-" Version:	15
+" Last Change:	Mar 26, 2019
+" Version:	16
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_MAPLE
 "
 " Package Function Selection: {{{1
@@ -27,10 +27,10 @@ if exists("b:current_syntax")
 endif
 
 " Iskeyword Effects: {{{1
-if !has("patch-7.4.1142")
- setl isk=$,48-57,_,a-z,@-Z
-else
+if (v:version == 704 && has("patch-7.4.1142")) || v:version > 704
  syn iskeyword $,48-57,_,a-z,@-Z
+else
+ setl isk=$,48-57,_,a-z,@-Z
 endif
 
 " Package Selection: {{{1
diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index 9eed594b8c..b9c71de4c4 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:		Nov 23, 2018
-" Version:		185
+" Last Change:		Mar 26, 2019
+" Version:		186
 " 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)
@@ -89,7 +89,7 @@ if g:sh_fold_enabled && &fdm == "manual"
 endif
 
 " set up the syntax-highlighting iskeyword
-if has("patch-7.4.1142")
+if (v:version == 704 && has("patch-7.4.1142")) || v:version > 704
  if exists("b:is_bash")
   exe "syn iskeyword ".&iskeyword.",-,:"
  else
diff --git a/runtime/syntax/tex.vim b/runtime/syntax/tex.vim
index 3969cd4777..6381028de5 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:	Nov 02, 2018
-" Version:	111
+" Last Change:	Apr 01, 2019
+" Version:	113
 " URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_TEX
 "
 " Notes: {{{1
@@ -127,7 +127,7 @@ elseif b:tex_stylish
 else
  let b:tex_isk="48-57,a-z,A-Z,192-255"
 endif
-if v:version > 704 || (v:version == 704 && has("patch-7.4.1142"))
+if (v:version == 704 && has("patch-7.4.1142")) || v:version > 704
  exe "syn iskeyword ".b:tex_isk
 else
  exe "setl isk=".b:tex_isk
@@ -155,9 +155,9 @@ if !s:tex_no_error
  syn cluster texCmdGroup		add=texMathError
 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,texBeginEnd,texSectionZone,texSpaceCode,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,@texMathZones,texTitle,texAbstract,texBoldStyle,texItalStyle,texNoSpell
+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,texBeginEnd,texSectionZone,texSpaceCode,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,@texMathZones,texTitle,texAbstract,texBoldStyle,texItalStyle,texEmphStyle,texNoSpell
 syn cluster texBoldGroup		contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texInputFile,texLength,texLigature,texMatcher,texMathZoneV,texMathZoneW,texMathZoneX,texMathZoneY,texMathZoneZ,texNewCmd,texNewEnv,texOnlyMath,texOption,texParen,texRefZone,texSection,texBeginEnd,texSectionZone,texSpaceCode,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,@texMathZones,texTitle,texAbstract,texBoldStyle,texBoldItalStyle,texNoSpell
-syn cluster texItalGroup		contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texInputFile,texLength,texLigature,texMatcher,texMathZoneV,texMathZoneW,texMathZoneX,texMathZoneY,texMathZoneZ,texNewCmd,texNewEnv,texOnlyMath,texOption,texParen,texRefZone,texSection,texBeginEnd,texSectionZone,texSpaceCode,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,@texMathZones,texTitle,texAbstract,texItalStyle,texItalBoldStyle,texNoSpell
+syn cluster texItalGroup		contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texInputFile,texLength,texLigature,texMatcher,texMathZoneV,texMathZoneW,texMathZoneX,texMathZoneY,texMathZoneZ,texNewCmd,texNewEnv,texOnlyMath,texOption,texParen,texRefZone,texSection,texBeginEnd,texSectionZone,texSpaceCode,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,@texMathZones,texTitle,texAbstract,texItalStyle,texEmphStyle,texItalBoldStyle,texNoSpell
 if !s: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,texBoldStyle,texBoldItalStyle,texItalStyle,texItalBoldStyle,texZone,texInputFile,texOption,@Spell
  syn cluster texMatchNMGroup		contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texMatcherNM,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texBoldStyle,texBoldItalStyle,texItalStyle,texItalBoldStyle,texZone,texInputFile,texOption,@Spell
@@ -301,6 +301,7 @@ syn match texTypeStyle		"\\tt\>"
 if s:tex_conceal !~# 'b'
  syn match texTypeStyle		"\\textbf\>"
  syn match texTypeStyle		"\\textit\>"
+ syn match texTypeStyle		"\\emph\>"
 endif
 syn match texTypeStyle		"\\textmd\>"
 syn match texTypeStyle		"\\textrm\>"
@@ -309,7 +310,6 @@ syn match texTypeStyle		"\\textsf\>"
 syn match texTypeStyle		"\\textsl\>"
 syn match texTypeStyle		"\\texttt\>"
 syn match texTypeStyle		"\\textup\>"
-syn match texTypeStyle		"\\emph\>"
 
 syn match texTypeStyle		"\\mathbb\>"
 syn match texTypeStyle		"\\mathbf\>"
@@ -385,11 +385,13 @@ if s:tex_fast =~# 'b'
     syn region texBoldItalStyle	matchgroup=texTypeStyle start="\\textit\s*{" matchgroup=texTypeStyle  end="}" concealends contains=@texItalGroup,@Spell
     syn region texItalStyle	matchgroup=texTypeStyle start="\\textit\s*{" matchgroup=texTypeStyle  end="}" concealends contains=@texItalGroup,@Spell
     syn region texItalBoldStyle	matchgroup=texTypeStyle start="\\textbf\s*{" matchgroup=texTypeStyle  end="}" concealends contains=@texBoldGroup,@Spell
+    syn region texEmphStyle	matchgroup=texTypeStyle start="\\emph\s*{"   matchgroup=texTypeStyle  end="}" concealends contains=@texItalGroup,@Spell
    else                                                                                              
     syn region texBoldStyle	matchgroup=texTypeStyle start="\\textbf\s*{" matchgroup=texTypeStyle  end="}" concealends contains=@texBoldGroup
     syn region texBoldItalStyle	matchgroup=texTypeStyle start="\\textit\s*{" matchgroup=texTypeStyle  end="}" concealends contains=@texItalGroup
     syn region texItalStyle	matchgroup=texTypeStyle start="\\textit\s*{" matchgroup=texTypeStyle  end="}" concealends contains=@texItalGroup
     syn region texItalBoldStyle	matchgroup=texTypeStyle start="\\textbf\s*{" matchgroup=texTypeStyle  end="}" concealends contains=@texBoldGroup
+    syn region texEmphStyle	matchgroup=texTypeStyle start="\\emph\s*{"   matchgroup=texTypeStyle  end="}" concealends contains=@texItalGroup
    endif
   endif
 endif
@@ -790,6 +792,8 @@ if has("conceal") && &enc == 'utf-8'
     \ ['propto'		, '∝'],
     \ ['rceil'		, '⌉'],
     \ ['Re'		, 'ℜ'],
+    \ ['quad'		, ' '],
+    \ ['qquad'		, ' '],
     \ ['rfloor'		, '⌋'],
     \ ['right)'		, ')'],
     \ ['right]'		, ']'],
@@ -1228,6 +1232,7 @@ if !exists("skip_tex_syntax_inits")
   hi texItalStyle		gui=italic	cterm=italic
   hi texBoldItalStyle		gui=bold,italic cterm=bold,italic
   hi texItalBoldStyle		gui=bold,italic cterm=bold,italic
+  hi def link texEmphStyle	texItalStyle
   hi def link texCite		texRefZone
   hi def link texDefCmd		texDef
   hi def link texDefName	texDef
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 31e81c76f8..9544de4e07 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -193,7 +193,7 @@ syn keyword vimAugroupKey contained	aug[roup]
 " =========
 syn cluster	vimOperGroup	contains=vimEnvvar,vimFunc,vimFuncVar,vimOper,vimOperParen,vimNumber,vimString,vimRegister,vimContinue
 syn match	vimOper	"\%#=1\(==\|!=\|>=\|<=\|=\~\|!\~\|>\|<\|=\)[?#]\{0,2}"	skipwhite nextgroup=vimString,vimSpecFile
-syn match	vimOper	"\(\<is\>\|\<isnot\>\)[?#]\{0,2}"		skipwhite nextgroup=vimString,vimSpecFile
+syn match	vimOper	"\(\<is\|\<isnot\)[?#]\{0,2}\>"		skipwhite nextgroup=vimString,vimSpecFile
 syn match	vimOper	"||\|&&\|[-+.]"			skipwhite nextgroup=vimString,vimSpecFile
 syn region	vimOperParen 	matchgroup=vimParenSep	start="(" end=")" contains=@vimOperGroup
 syn region	vimOperParen	matchgroup=vimSep		start="{" end="}" contains=@vimOperGroup nextgroup=vimVar,vimFuncVar
diff --git a/runtime/syntax/yacc.vim b/runtime/syntax/yacc.vim
index 8d5eb13071..3f27bce443 100644
--- a/runtime/syntax/yacc.vim
+++ b/runtime/syntax/yacc.vim
@@ -1,8 +1,8 @@
 " Vim syntax file
 " Language:	Yacc
 " Maintainer:	Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
-" Last Change:	Aug 31, 2016
-" Version:	15
+" Last Change:	Mar 25, 2019
+" Version:	16
 " URL:	http://www.drchip.org/astronaut/vim/index.html#SYNTAX_YACC
 "
 " Options: {{{1
@@ -43,12 +43,12 @@ syn cluster yaccRulesCluster	contains=yaccNonterminal,yaccString
 
 " ---------------------------------------------------------------------
 "  Yacc Sections: {{{1
-SynFold syn	region	yaccInit	start='.'ms=s-1,rs=s-1	matchgroup=yaccSectionSep	end='^%%$'me=e-2,re=e-2	contains=@yaccInitCluster	nextgroup=yaccRules	skipwhite skipempty contained
-SynFold syn	region	yaccInit2      start='\%^.'ms=s-1,rs=s-1	matchgroup=yaccSectionSep	end='^%%$'me=e-2,re=e-2	contains=@yaccInitCluster	nextgroup=yaccRules	skipwhite skipempty
-SynFold syn	region	yaccHeader2	matchgroup=yaccSep	start="^\s*\zs%{"	end="^\s*%}"		contains=@yaccCode	nextgroup=yaccInit	skipwhite skipempty contained
-SynFold syn	region	yaccHeader	matchgroup=yaccSep	start="^\s*\zs%{"	end="^\s*%}"		contains=@yaccCode	nextgroup=yaccInit	skipwhite skipempty
-SynFold syn	region	yaccRules	matchgroup=yaccSectionSep	start='^%%$'		end='^%%$'me=e-2,re=e-2	contains=@yaccRulesCluster	nextgroup=yaccEndCode	skipwhite skipempty contained
-SynFold syn	region	yaccEndCode	matchgroup=yaccSectionSep	start='^%%$'		end='\%$'		contains=@yaccCode	contained
+SynFold syn	region	yaccInit	start='.'ms=s-1,rs=s-1	matchgroup=yaccSectionSep		end='^%%\ze\(\s*/[*/].*\)\=$'me=e-2,re=e-2	contains=@yaccInitCluster	nextgroup=yaccRules	skipwhite skipempty contained
+SynFold syn	region	yaccInit2      start='\%^.'ms=s-1,rs=s-1	matchgroup=yaccSectionSep		end='^%%\ze\(\s*/[*/].*\)\=$'me=e-2,re=e-2	contains=@yaccInitCluster	nextgroup=yaccRules	skipwhite skipempty
+SynFold syn	region	yaccHeader2	matchgroup=yaccSep	start="^\s*\zs%{"		end="^\s*%}"			contains=@yaccCode	nextgroup=yaccInit	skipwhite skipempty contained
+SynFold syn	region	yaccHeader	matchgroup=yaccSep	start="^\s*\zs%{"		end="^\s*%}"			contains=@yaccCode	nextgroup=yaccInit	skipwhite skipempty
+SynFold syn	region	yaccRules	matchgroup=yaccSectionSep	start='^%%\ze\(\s*/[*/].*\)\=$'	end='^%%\ze\(\s*/[*/].*\)\=$'me=e-2,re=e-2	contains=@yaccRulesCluster	nextgroup=yaccEndCode	skipwhite skipempty contained
+SynFold syn	region	yaccEndCode	matchgroup=yaccSectionSep	start='^%%\ze\(\s*/[*/].*\)\=$'	end='\%$'			contains=@yaccCode	contained
 
 " ---------------------------------------------------------------------
 " Yacc Commands: {{{1
@@ -72,6 +72,7 @@ syn	match	yaccType	"<[a-zA-Z_][a-zA-Z0-9_]*>"	contains=yaccBrkt	contained
 
 SynFold syn	region	yaccNonterminal	start="^\s*\a\w*\ze\_s*\(/\*\_.\{-}\*/\)\=\_s*:"	matchgroup=yaccDelim end=";"	matchgroup=yaccSectionSep end='^%%$'me=e-2,re=e-2 contains=yaccAction,yaccDelim,yaccString,yaccComment	contained
 syn	region	yaccComment	start="/\*"	end="\*/"
+syn	region	yaccComment	start="//"	end="$"
 syn	match	yaccString	"'[^']*'"	contained