Update

18 files changed, 190 insertions, 164 deletions

diff --git a/syntax/dot.vim b/syntax/dot.vim
index 1bb1032b..f48f60f4 100644
--- a/syntax/dot.vim
+++ b/syntax/dot.vim
@@ -2,19 +2,25 @@ if polyglot#init#is_disabled(expand('<sfile>:p'), 'dot', 'syntax/dot.vim')
   finish
 endif
 
-" Vim syntax file
 " Language:     Dot
 " Filenames:    *.dot
 " Maintainer:   Markus Mottl  <markus.mottl@gmail.com>
 " URL:          http://www.ocaml.info/vim/syntax/dot.vim
-" Last Change:  2011 May 17 - improved identifier matching + two new keywords
+" Last Change:  2021 Mar 24 - better attr + escape string matching, new keywords (Farbod Salamat-Zadeh)
+"               2011 May 17 - improved identifier matching + two new keywords
 "               2001 May 04 - initial version
 
-" quit when a syntax file was already loaded
-if exists("b:current_syntax")
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
   finish
 endif
 
+let s:keepcpo = &cpo
+set cpo&vim
+
 " Errors
 syn match    dotParErr     ")"
 syn match    dotBrackErr   "]"
@@ -33,39 +39,43 @@ syn keyword  dotTodo contained TODO FIXME XXX
 " Strings
 syn region   dotString    start=+"+ skip=+\\\\\|\\"+ end=+"+
 
-" General keywords
-syn keyword  dotKeyword  digraph node edge subgraph
-
-" Graph attributes
-syn keyword  dotType center layers margin mclimit name nodesep nslimit
-syn keyword  dotType ordering page pagedir rank rankdir ranksep ratio
-syn keyword  dotType rotate size
-
-" Node attributes
-syn keyword  dotType distortion fillcolor fontcolor fontname fontsize
-syn keyword  dotType height layer orientation peripheries regular
-syn keyword  dotType shape shapefile sides skew width
+" Escape strings
+syn match    dotEscString /\v\\(N|G|E|T|H|L)/ containedin=dotString
+syn match    dotEscString /\v\\(n|l|r)/       containedin=dotString
 
-" Edge attributes
-syn keyword  dotType arrowhead arrowsize arrowtail constraint decorateP
-syn keyword  dotType dir headclip headlabel headport labelangle labeldistance
-syn keyword  dotType labelfontcolor labelfontname labelfontsize
-syn keyword  dotType minlen port_label_distance samehead sametail
-syn keyword  dotType tailclip taillabel tailport weight
-
-" Shared attributes (graphs, nodes, edges)
-syn keyword  dotType color
-
-" Shared attributes (graphs and edges)
-syn keyword  dotType bgcolor label URL
-
-" Shared attributes (nodes and edges)
-syn keyword  dotType fontcolor fontname fontsize layer style
+" General keywords
+syn keyword  dotKeyword graph digraph subgraph node edge strict
+
+" Node, edge and graph attributes
+syn keyword  dotType _background area arrowhead arrowsize arrowtail bb bgcolor
+      \ center charset class clusterrank color colorscheme comment compound
+      \ concentrate constraint Damping decorate defaultdist dim dimen dir
+      \ diredgeconstraints distortion dpi edgehref edgetarget edgetooltip
+      \ edgeURL epsilon esep fillcolor fixedsize fontcolor fontname fontnames
+      \ fontpath fontsize forcelabels gradientangle group head_lp headclip
+      \ headhref headlabel headport headtarget headtooltip headURL height href
+      \ id image imagepath imagepos imagescale inputscale K label label_scheme
+      \ labelangle labeldistance labelfloat labelfontcolor labelfontname
+      \ labelfontsize labelhref labeljust labelloc labeltarget labeltooltip
+      \ labelURL landscape layer layerlistsep layers layerselect layersep 
+      \ layout len levels levelsgap lhead lheight lp ltail lwidth margin
+      \ maxiter mclimit mindist minlen mode model mosek newrank nodesep 
+      \ nojustify normalize notranslate nslimit nslimit1 ordering orientation
+      \ outputorder overlap overlap_scaling overlap_shrink pack packmode pad
+      \ page pagedir pencolor penwidth peripheries pin pos quadtree quantum
+      \ rank rankdir ranksep ratio rects regular remincross repulsiveforce
+      \ resolution root rotate rotation samehead sametail samplepoints scale
+      \ searchsize sep shape shapefile showboxes sides size skew smoothing
+      \ sortv splines start style stylesheet tail_lp tailclip tailhref 
+      \ taillabel tailport tailtarget tailtooltip tailURL target tooltip
+      \ truecolor URL vertices viewport voro_margin weight width xdotversion 
+      \ xlabel xlp z
 
 " Special chars
 syn match    dotKeyChar  "="
 syn match    dotKeyChar  ";"
 syn match    dotKeyChar  "->"
+syn match    dotKeyChar  "--"
 
 " Identifier
 syn match    dotIdentifier /\<\w\+\(:\w\+\)\?\>/
@@ -75,27 +85,41 @@ syn sync minlines=50
 syn sync maxlines=500
 
 " Define the default highlighting.
-" Only when an item doesn't have highlighting yet
-
-hi def link dotParErr	 Error
-hi def link dotBraceErr	 Error
-hi def link dotBrackErr	 Error
-
-hi def link dotComment	 Comment
-hi def link dotTodo	 Todo
-
-hi def link dotParEncl	 Keyword
-hi def link dotBrackEncl	 Keyword
-hi def link dotBraceEncl	 Keyword
-
-hi def link dotKeyword	 Keyword
-hi def link dotType	 Type
-hi def link dotKeyChar	 Keyword
-
-hi def link dotString	 String
-hi def link dotIdentifier	 Identifier
-
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists("did_dot_syntax_inits")
+  if version < 508
+    let did_dot_syntax_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink dotParErr	 Error
+  HiLink dotBraceErr	 Error
+  HiLink dotBrackErr	 Error
+
+  HiLink dotComment	 Comment
+  HiLink dotTodo	 Todo
+
+  HiLink dotParEncl	 Keyword
+  HiLink dotBrackEncl	 Keyword
+  HiLink dotBraceEncl	 Keyword
+
+  HiLink dotKeyword	 Keyword
+  HiLink dotType	 Type
+  HiLink dotKeyChar	 Keyword
+
+  HiLink dotString	 String
+  HiLink dotEscString	 Keyword
+  HiLink dotIdentifier	 Identifier
+
+  delcommand HiLink
+endif
 
 let b:current_syntax = "dot"
 
+let &cpo = s:keepcpo
+unlet s:keepcpo
+
 " vim: ts=8
diff --git a/syntax/elixir.vim b/syntax/elixir.vim
index 871a4157..2c9dd2e5 100644
--- a/syntax/elixir.vim
+++ b/syntax/elixir.vim
@@ -12,7 +12,7 @@ endif
 let s:cpo_save = &cpo
 set cpo&vim
 
-syn cluster elixirNotTop contains=@elixirRegexSpecial,@elixirStringContained,@elixirDeclaration,elixirTodo,elixirArguments,elixirBlockDefinition,elixirUnusedVariable,elixirStructDelimiter
+syn cluster elixirNotTop contains=@elixirRegexSpecial,@elixirStringContained,@elixirDeclaration,elixirTodo,elixirArguments,elixirBlockDefinition,elixirUnusedVariable,elixirStructDelimiter,elixirListDelimiter
 syn cluster elixirRegexSpecial contains=elixirRegexEscape,elixirRegexCharClass,elixirRegexQuantifier,elixirRegexEscapePunctuation
 syn cluster elixirStringContained contains=elixirInterpolation,elixirRegexEscape,elixirRegexCharClass
 syn cluster elixirDeclaration contains=elixirFunctionDeclaration,elixirPrivateFunctionDeclaration,elixirModuleDeclaration,elixirProtocolDeclaration,elixirImplDeclaration,elixirRecordDeclaration,elixirPrivateRecordDeclaration,elixirMacroDeclaration,elixirPrivateMacroDeclaration,elixirDelegateDeclaration,elixirOverridableDeclaration,elixirExceptionDeclaration,elixirCallbackDeclaration,elixirStructDeclaration
@@ -70,12 +70,15 @@ syn match elixirRegexCharClass         "\[:\(alnum\|alpha\|ascii\|blank\|cntrl\|
 
 syn region elixirRegex matchgroup=elixirRegexDelimiter start="%r/" end="/[uiomxfr]*" skip="\\\\" contains=@elixirRegexSpecial
 
-syn region elixirTuple matchgroup=elixirTupleDelimiter start="\(\w\|#\)\@<!{" end="}" contains=ALLBUT,@elixirNotTop
+syn region elixirTuple matchgroup=elixirTupleDelimiter start="\(\w\|#\)\@<!{" end="}" contains=ALLBUT,@elixirNotTop fold
+
+syn match elixirListDelimiter '\[' contained containedin=elixirList
+syn region elixirList matchgroup=elixirListDelimiter start='\[' end='\]' contains=ALLBUT,@elixirNotTop fold
 
 syn match elixirStructDelimiter '{' contained containedin=elixirStruct
-syn region elixirStruct matchgroup=elixirStructDelimiter start="%\(\w\+{\)\@=" end="}" contains=ALLBUT,@elixirNotTop
+syn region elixirStruct matchgroup=elixirStructDelimiter start="%\(\w\+{\)\@=" end="}" contains=ALLBUT,@elixirNotTop fold
 
-syn region elixirMap matchgroup=elixirMapDelimiter start="%{" end="}" contains=ALLBUT,@elixirNotTop
+syn region elixirMap matchgroup=elixirMapDelimiter start="%{" end="}" contains=ALLBUT,@elixirNotTop fold
 
 syn region elixirString  matchgroup=elixirStringDelimiter start=+\z('\)+   end=+\z1+ skip=+\\\\\|\\\z1+  contains=@Spell,@elixirStringContained
 syn region elixirString  matchgroup=elixirStringDelimiter start=+\z("\)+   end=+\z1+ skip=+\\\\\|\\\z1+  contains=@Spell,@elixirStringContained
diff --git a/syntax/fortran.vim b/syntax/fortran.vim
index 6085268b..20996946 100644
--- a/syntax/fortran.vim
+++ b/syntax/fortran.vim
@@ -4,7 +4,7 @@ endif
 
 " Vim syntax file
 " Language:	Fortran 2008 (and older: Fortran 2003, 95, 90, and 77)
-" Version:	(v103) 2020 October 07
+" Version:	(v104) 2021 April 06
 " Maintainer:	Ajit J. Thakkar <ajit@unb.ca>; <http://www2.unb.ca/~ajit/>
 " Usage:	For instructions, do :help fortran-syntax from Vim
 " Credits:
@@ -12,10 +12,10 @@ endif
 "  older Fortran 77 syntax file by Mario Eusebio and Preben Guldberg.
 "  Since then, useful suggestions and contributions have been made, in order, by:
 "  Andrej Panjkov, Bram Moolenaar, Thomas Olsen, Michael Sternberg, Christian Reile,
-"  Walter Dieudonné, Alexander Wagner, Roman Bertle, Charles Rendleman,
+"  Walter Dieudonne, Alexander Wagner, Roman Bertle, Charles Rendleman,
 "  Andrew Griffiths, Joe Krahn, Hendrik Merx, Matt Thompson, Jan Hermann,
-"  Stefano Zaghi, Vishnu V. Krishnan, Judicaël Grasset, Takuma Yoshida,
-"  Eisuke Kawashima, and André Chalella.`
+"  Stefano Zaghi, Vishnu V. Krishnan, Judicael Grasset, Takuma Yoshida,
+"  Eisuke Kawashima, Andre Chalella, and Fritz Reese.
 
 if exists("b:current_syntax")
   finish
@@ -364,8 +364,15 @@ syn cluster fortranCommentGroup contains=fortranTodo
 
 if (b:fortran_fixed_source == 1)
   if !exists("fortran_have_tabs")
-    "Flag items beyond column 72
-    syn match fortranSerialNumber	excludenl "^.\{73,}$"lc=72
+    " Fixed format requires a textwidth of 72 for code,
+    " but some vendor extensions allow longer lines
+    if exists("fortran_extended_line_length")
+      syn match fortranSerialNumber	excludenl "^.\{133,}$"lc=132
+    elseif exists("fortran_cardimage_line_length")
+      syn match fortranSerialNumber	excludenl "^.\{81,}$"lc=80
+    else
+      syn match fortranSerialNumber	excludenl "^.\{73,}$"lc=72
+    endif
     "Flag left margin errors
     syn match fortranLabelError	"^.\{-,4}[^0-9 ]" contains=fortranTab
     syn match fortranLabelError	"^.\{4}\d\S"
diff --git a/syntax/git.vim b/syntax/git.vim
index 695566f0..d3d9485e 100644
--- a/syntax/git.vim
+++ b/syntax/git.vim
@@ -16,12 +16,12 @@ syn sync minlines=50
 
 syn include @gitDiff syntax/diff.vim
 
-syn region gitHead start=/\%^/ end=/^$/
-syn region gitHead start=/\%(^commit\%( \x\{40\}\)\{1,\}\%(\s*(.*)\)\=$\)\@=/ end=/^$/
+syn region gitHead start=/\%^/ end=/^$/ contains=@NoSpell
+syn region gitHead start=/\%(^commit\%( \x\{40\}\)\{1,\}\%(\s*(.*)\)\=$\)\@=/ end=/^$/ contains=@NoSpell
 
 " For git reflog and git show ...^{tree}, avoid sync issues
-syn match gitHead /^\d\{6\} \%(\w\{4} \)\=\x\{40\}\%( [0-3]\)\=\t.*/
-syn match gitHead /^\x\{40\} \x\{40}\t.*/
+syn match gitHead /^\d\{6\} \%(\w\{4} \)\=\x\{40\}\%( [0-3]\)\=\t.*/ contains=@NoSpell
+syn match gitHead /^\x\{40\} \x\{40}\t.*/ contains=@NoSpell
 
 syn region gitDiff start=/^\%(diff --git \)\@=/ end=/^\%(diff --\|$\)\@=/ contains=@gitDiff fold
 syn region gitDiff start=/^\%(@@ -\)\@=/ end=/^\%(diff --\%(git\|cc\|combined\) \|$\)\@=/ contains=@gitDiff
@@ -33,11 +33,12 @@ syn match gitDiffAdded "{+[^}]*+}" contained containedin=gitDiff
 syn match gitDiffRemoved "^ \+-.*" contained containedin=gitDiffMerge
 syn match gitDiffRemoved "\[-[^]]*-\]" contained containedin=gitDiff
 
-syn match  gitKeyword /^\%(object\|type\|tag\|commit\|tree\|parent\|encoding\)\>/ contained containedin=gitHead nextgroup=gitHash,gitType skipwhite
-syn match  gitKeyword /^\%(tag\>\|ref:\)/ contained containedin=gitHead nextgroup=gitReference skipwhite
-syn match  gitKeyword /^Merge:/  contained containedin=gitHead nextgroup=gitHashAbbrev skipwhite
+syn match  gitKeyword /^\%(object\|type\|tag\|commit\|tree\|parent\|encoding\|summary\|boundary\|filename\)\>/ contained containedin=gitHead nextgroup=gitHash,gitType skipwhite contains=@NoSpell
+syn match  gitKeyword /^previous\>/ contained containedin=gitHead nextgroup=gitHash skipwhite contains=@NoSpell
+syn match  gitKeyword /^\%(tag\>\|ref:\)/ contained containedin=gitHead nextgroup=gitReference skipwhite contains=@NoSpell
+syn match  gitKeyword /^Merge:/  contained containedin=gitHead nextgroup=gitHashAbbrev skipwhite contains=@NoSpell
 syn match  gitMode    /^\d\{6\}\>/ contained containedin=gitHead nextgroup=gitType,gitHash skipwhite
-syn match  gitIdentityKeyword /^\%(author\|committer\|tagger\)\>/ contained containedin=gitHead nextgroup=gitIdentity skipwhite
+syn match  gitIdentityKeyword /^\%(author\|committer\|tagger\)\%(-mail\|-time\|-tz\)\=\>/ contained containedin=gitHead nextgroup=gitIdentity skipwhite
 syn match  gitIdentityHeader /^\%(Author\|Commit\|Tagger\):/ contained containedin=gitHead nextgroup=gitIdentity skipwhite
 syn match  gitDateHeader /^\%(AuthorDate\|CommitDate\|Date\):/ contained containedin=gitHead nextgroup=gitDate skipwhite
 
@@ -51,10 +52,10 @@ syn match  gitDate      /\<\d\+ \l\+ ago\>/                    contained
 syn match  gitType      /\<\%(tag\|commit\|tree\|blob\)\>/     contained nextgroup=gitHash skipwhite
 syn match  gitStage     /\<\d\t\@=/                            contained
 syn match  gitReference /\S\+\S\@!/                            contained
-syn match  gitHash      /\<\x\{40\}\>/                         contained nextgroup=gitIdentity,gitStage,gitHash skipwhite
-syn match  gitHash      /^\<\x\{40\}\>/ containedin=gitHead contained nextgroup=gitHash skipwhite
-syn match  gitHashAbbrev /\<\x\{4,40\}\>/           contained nextgroup=gitHashAbbrev skipwhite
-syn match  gitHashAbbrev /\<\x\{4,39\}\.\.\./he=e-3 contained nextgroup=gitHashAbbrev skipwhite
+syn match  gitHash      /\<\x\{40\}\>/                         contained nextgroup=gitIdentity,gitStage,gitHash skipwhite contains=@NoSpell
+syn match  gitHash      /^\<\x\{40\}\>/ containedin=gitHead contained nextgroup=gitHash skipwhite contains=@NoSpell
+syn match  gitHashAbbrev /\<\x\{4,40\}\>/           contained nextgroup=gitHashAbbrev skipwhite contains=@NoSpell
+syn match  gitHashAbbrev /\<\x\{4,39\}\.\.\./he=e-3 contained nextgroup=gitHashAbbrev skipwhite contains=@NoSpell
 
 syn match  gitIdentity /\S.\{-\} <[^>]*>/ contained nextgroup=gitDate skipwhite
 syn region gitEmail matchgroup=gitEmailDelimiter start=/</ end=/>/ keepend oneline contained containedin=gitIdentity
diff --git a/syntax/gitrebase.vim b/syntax/gitrebase.vim
index da5f01e8..64a97acb 100644
--- a/syntax/gitrebase.vim
+++ b/syntax/gitrebase.vim
@@ -14,8 +14,8 @@ endif
 
 syn case match
 
-syn match   gitrebaseHash   "\v<\x{7,}>"                               contained
-syn match   gitrebaseCommit "\v<\x{7,}>"    nextgroup=gitrebaseSummary skipwhite
+syn match   gitrebaseHash   "\v<\x{7,}>"                               contained contains=@NoSpell
+syn match   gitrebaseCommit "\v<\x{7,}>"    nextgroup=gitrebaseSummary skipwhite contains=@NoSpell
 syn match   gitrebasePick   "\v^p%(ick)=>"   nextgroup=gitrebaseCommit skipwhite
 syn match   gitrebaseReword "\v^r%(eword)=>" nextgroup=gitrebaseCommit skipwhite
 syn match   gitrebaseEdit   "\v^e%(dit)=>"   nextgroup=gitrebaseCommit skipwhite
diff --git a/syntax/gotexttmpl.vim b/syntax/gotexttmpl.vim
index cd29987a..806f71b1 100644
--- a/syntax/gotexttmpl.vim
+++ b/syntax/gotexttmpl.vim
@@ -70,16 +70,14 @@ syn cluster     gotplLiteral     contains=goString,goRawString,goCharacter,@goIn
 syn keyword     gotplControl     contained   if else end range with template
 syn keyword     gotplFunctions   contained   and html index js len not or print printf println urlquery eq ne lt le gt ge
 syn match       gotplVariable    contained   /\$[a-zA-Z0-9_]*\>/
-syn match       goTplIdentifier  contained   /\.[^\s}]+\>/
+syn match       goTplIdentifier  contained   /\.[^[:blank:]}]\+\>/
 
 hi def link     gotplControl        Keyword
 hi def link     gotplFunctions      Function
 hi def link     goTplVariable       Special
 
 syn region gotplAction start="{{" end="}}" contains=@gotplLiteral,gotplControl,gotplFunctions,gotplVariable,goTplIdentifier display
-syn region gotplAction start="\[\[" end="\]\]" contains=@gotplLiteral,gotplControl,gotplFunctions,gotplVariable display
 syn region goTplComment start="{{\(- \)\?/\*" end="\*/\( -\)\?}}" display
-syn region goTplComment start="\[\[\(- \)\?/\*" end="\*/\( -\)\?\]\]" display
 
 hi def link gotplAction PreProc
 hi def link goTplComment Comment
diff --git a/syntax/graphql.vim b/syntax/graphql.vim
index b2266cef..fc2b7922 100644
--- a/syntax/graphql.vim
+++ b/syntax/graphql.vim
@@ -2,7 +2,7 @@ if polyglot#init#is_disabled(expand('<sfile>:p'), 'graphql', 'syntax/graphql.vim
   finish
 endif
 
-" Copyright (c) 2016-2020 Jon Parise <jon@indelible.org>
+" Copyright (c) 2016-2021 Jon Parise <jon@indelible.org>
 "
 " Permission is hereby granted, free of charge, to any person obtaining a copy
 " of this software and associated documentation files (the "Software"), to
diff --git a/syntax/html.vim b/syntax/html.vim
index 2113f12a..2db2fe2d 100644
--- a/syntax/html.vim
+++ b/syntax/html.vim
@@ -7,8 +7,9 @@ endif
 " Previous Maintainer:  Jorge Maldonado Ventura <jorgesumle@freakspot.net>
 " Previous Maintainer:  Claudio Fleiner <claudio@fleiner.com>
 " Repository:           https://notabug.org/jorgesumle/vim-html-syntax
-" Last Change:          2021 Feb 25
+" Last Change:          2021 Mar 02
 "			Included patch #7900 to fix comments
+"			Included patch #7916 to fix a few more things
 "
 
 " Please check :help html.vim for some comments and a description of the options
@@ -83,26 +84,16 @@ syn keyword htmlArg contained usemap ismap valign value vlink vspace width wrap
 syn match   htmlArg contained "\<\(http-equiv\|href\|title\)="me=e-1
 
 " aria attributes
-syn match htmlArg contained "\<\(aria-activedescendant\|aria-atomic\)\>"
-syn match htmlArg contained "\<\(aria-autocomplete\|aria-busy\|aria-checked\)\>"
-syn match htmlArg contained "\<\(aria-colcount\|aria-colindex\|aria-colspan\)\>"
-syn match htmlArg contained "\<\(aria-controls\|aria-current\)\>"
-syn match htmlArg contained "\<\(aria-describedby\|aria-details\)\>"
-syn match htmlArg contained "\<\(aria-disabled\|aria-dropeffect\)\>"
-syn match htmlArg contained "\<\(aria-errormessage\|aria-expanded\)\>"
-syn match htmlArg contained "\<\(aria-flowto\|aria-grabbed\|aria-haspopup\)\>"
-syn match htmlArg contained "\<\(aria-hidden\|aria-invalid\)\>"
-syn match htmlArg contained "\<\(aria-keyshortcuts\|aria-label\)\>"
-syn match htmlArg contained "\<\(aria-labelledby\|aria-level\|aria-live\)\>"
-syn match htmlArg contained "\<\(aria-modal\|aria-multiline\)\>"
-syn match htmlArg contained "\<\(aria-multiselectable\|aria-orientation\)\>"
-syn match htmlArg contained "\<\(aria-owns\|aria-placeholder\|aria-posinset\)\>"
-syn match htmlArg contained "\<\(aria-pressed\|aria-readonly\|aria-relevant\)\>"
-syn match htmlArg contained "\<\(aria-required\|aria-roledescription\)\>"
-syn match htmlArg contained "\<\(aria-rowcount\|aria-rowindex\|aria-rowspan\)\>"
-syn match htmlArg contained "\<\(aria-selected\|aria-setsize\|aria-sort\)\>"
-syn match htmlArg contained "\<\(aria-valuemax\|aria-valuemin\)\>"
-syn match htmlArg contained "\<\(aria-valuenow\|aria-valuetext\)\>"
+exe 'syn match htmlArg contained "\<aria-\%(' . join([
+    \ 'activedescendant', 'atomic', 'autocomplete', 'busy', 'checked', 'colcount',
+    \ 'colindex', 'colspan', 'controls', 'current', 'describedby', 'details',
+    \ 'disabled', 'dropeffect', 'errormessage', 'expanded', 'flowto', 'grabbed',
+    \ 'haspopup', 'hidden', 'invalid', 'keyshortcuts', 'label', 'labelledby', 'level',
+    \ 'live', 'modal', 'multiline', 'multiselectable', 'orientation', 'owns',
+    \ 'placeholder', 'posinset', 'pressed', 'readonly', 'relevant', 'required',
+    \ 'roledescription', 'rowcount', 'rowindex', 'rowspan', 'selected', 'setsize',
+    \ 'sort', 'valuemax', 'valuemin', 'valuenow', 'valuetext'
+    \ ], '\|') . '\)\>"'
 syn keyword htmlArg contained role
 
 " Netscape extensions
@@ -143,25 +134,19 @@ syn match htmlSpecialChar "&#\=[0-9A-Za-z]\{1,8};"
 
 " Comments (the real ones or the old netscape ones)
 if exists("html_wrong_comments")
-  syn region htmlComment                start=+<!--+    end=+--\s*>+ contains=@Spell
+  syn region htmlComment        start=+<!--+    end=+--\s*>+    contains=@Spell
 else
-  " The HTML 5.2 syntax 8.2.4.41-42: bogus comment is parser error; browser skips until next &gt;
-  " Note: must stand first to get lesser :syn-priority
-  syn region htmlComment                start=+<!+      end=+>+     contains=htmlCommentError
-  " Normal comment opening <!-- ...>
-  syn region htmlComment                start=+<!--+    end=+>+     contains=htmlCommentPart,@Spell
-  " Idem 8.2.4.43-44: <!--> and <!---> are parser errors; browser treats as comments
-  syn match htmlComment "<!---\?>" contains=htmlCommentError
-  " Idem 8.2.4.51: any number of consecutive dashes within comment is okay; --> closes comment
-  " Idem 8.2.4.52: closing comment by dash-dash-bang (--!>) is error ignored by parser(!); closes comment
-  syn region htmlCommentPart  contained start=+--+      end=+--!\?>+me=e-1  contains=htmlCommentNested,@htmlPreProc,@Spell
-  " Idem 8.2.4.49: opening nested comment <!-- is parser error, ignored by browser, except <!--> is all right
-  syn match htmlCommentNested contained "<!--[^>]"me=e-1
-  syn match htmlCommentNested contained "<!--->"me=e-3
-  syn match htmlCommentNested contained "<!---\?!>"me=e-4
-  syn match htmlCommentError contained "[^><!]"
+  " The HTML 5.2 syntax 8.2.4.41: bogus comment is parser error; browser skips until next &gt
+  syn region htmlComment        start=+<!+      end=+>+         contains=htmlCommentError keepend
+  " Idem 8.2.4.42,51: Comment starts with <!-- and ends with -->
+  " Idem 8.2.4.43,44: Except <!--> and <!---> are parser errors
+  " Idem 8.2.4.52: dash-dash-bang (--!>) is error ignored by parser, also closes comment
+  syn region htmlComment matchgroup=htmlComment start=+<!--\%(-\?>\)\@!+        end=+--!\?>+    contains=htmlCommentNested,@htmlPreProc,@Spell keepend
+  " Idem 8.2.4.49: nested comment is parser error, except <!--> is all right
+  syn match htmlCommentNested contained "<!-->\@!"
+  syn match htmlCommentError  contained "[^><!]"
 endif
-syn region htmlComment                  start=+<!DOCTYPE+ keepend end=+>+
+syn region htmlComment  start=+<!DOCTYPE+       end=+>+ keepend
 
 " server-parsed commands
 syn region htmlPreProc start=+<!--#+ end=+-->+ contains=htmlPreStmt,htmlPreError,htmlPreAttr
@@ -282,7 +267,7 @@ hi def link htmlEndTag                  Identifier
 hi def link htmlArg                     Type
 hi def link htmlTagName                 htmlStatement
 hi def link htmlSpecialTagName          Exception
-hi def link htmlValue                     String
+hi def link htmlValue                   String
 hi def link htmlSpecialChar             Special
 
 if !exists("html_no_rendering")
@@ -326,14 +311,10 @@ hi def link htmlPreProc            PreProc
 hi def link htmlPreAttr            String
 hi def link htmlPreProcAttrName    PreProc
 hi def link htmlPreProcAttrError   Error
-hi def link htmlSpecial            Special
-hi def link htmlSpecialChar        Special
 hi def link htmlString             String
 hi def link htmlStatement          Statement
 hi def link htmlComment            Comment
-hi def link htmlCommentPart        Comment
-hi def link htmlValue              String
-hi def link htmlCommentNested      htmlCommentError
+hi def link htmlCommentNested      htmlError
 hi def link htmlCommentError       htmlError
 hi def link htmlTagError           htmlError
 hi def link htmlEvent              javaScript
diff --git a/syntax/javascript.vim b/syntax/javascript.vim
index 615862dc..41543024 100644
--- a/syntax/javascript.vim
+++ b/syntax/javascript.vim
@@ -58,7 +58,7 @@ syntax match   jsModuleComma        contained /,/ skipwhite skipempty nextgroup=
 syntax region  jsString           start=+\z(["']\)+  skip=+\\\%(\z1\|$\)+  end=+\z1+ end=+$+  contains=jsSpecial extend
 syntax region  jsTemplateString   start=+`+  skip=+\\`+  end=+`+     contains=jsTemplateExpression,jsSpecial extend
 syntax match   jsTaggedTemplate   /\<\K\k*\ze`/ nextgroup=jsTemplateString
-syntax match   jsNumber           /\c\<\%(\d\+\%(e[+-]\=\d\+\)\=\|0b[01]\+\|0o\o\+\|0x\x\+\)\>/
+syntax match   jsNumber           /\c\<\%(\d\+\%(e[+-]\=\d\+\)\=\|0b[01]\+\|0o\o\+\|0x\%(\x\|_\)\+\)\>/
 syntax keyword jsNumber           Infinity
 syntax match   jsFloat            /\c\<\%(\d\+\.\d\+\|\d\+\.\|\.\d\+\)\%(e[+-]\=\d\+\)\=\>/
 
diff --git a/syntax/julia.vim b/syntax/julia.vim
index 1a08f62d..2849439b 100644
--- a/syntax/julia.vim
+++ b/syntax/julia.vim
@@ -68,7 +68,7 @@ let s:idregex = '\%([^' . s:nonidS_chars . '0-9!' . s:uniop_chars . s:binop_char
 
 let s:operators = '\%(' . '\.\%([-+*/^÷%|&!]\|//\|\\\|<<\|>>>\?\)\?=' .
       \           '\|'  . '[:$<>]=\|||\|&&\||>\|<|\|<:\|>:\|::\|<<\|>>>\?\|//\|[-=]>\|\.\{3\}' .
-      \           '\|'  . '[' . s:uniop_chars . '!$]' .
+      \           '\|'  . '\.\?[' . s:uniop_chars . '!]' .
       \           '\|'  . '\.\?[' . s:binop_chars . s:binop_chars_extra . ']' .
       \           '\)'
 
@@ -132,12 +132,11 @@ syntax region  juliaCurBraBlock		matchgroup=juliaParDelim start="{" end="}" cont
 
 exec 'syntax match   juliaType		contained "' . s:idregex . '\%(\.' . s:idregex . '\)*"'
 
-exec 'syntax region  juliaFunctionCallR	transparent start="' . s:idregex . '\%(\.' . s:idregex . '\)*\s*(" end=")\@'.s:d(1).'<=" contains=juliaFunctionCall,juliaParBlock'
+exec 'syntax region  juliaFunctionCallR	transparent start="' . s:idregex . '\%(\.' . s:idregex . '\)*\.\?(" end=")\@'.s:d(1).'<=" contains=juliaFunctionCall,juliaParBlock'
 exec 'syntax match   juliaFunctionCall	contained "\%(' . s:idregex . '\.\)*\zs' . s:idregex . '"'
 
 " note: we would in principle add a "s:nodot" before function/macro/struct/... but it shouldn't come up in valid code
-exec 'syntax match   juliaFunctionDef	contained transparent "\%(\<\%(function\|macro\)\s\+\)\@'.s:d(20).'<=' . s:idregex . '\%(\.' . s:idregex . '\)*\ze\s\+\%(end\>\|$\)" contains=juliaFunctionName'
-exec 'syntax region  juliaFunctionDefP	contained transparent start="\%(\<\%(function\|macro\)\s\+\)\@'.s:d(20).'<=' . s:idregex . '\%(\.' . s:idregex . '\)*\s*(" end=")\@'.s:d(1).'<=" contains=juliaFunctionName,juliaParBlock'
+exec 'syntax match   juliaFunctionDef	contained transparent "\%(\<\%(function\|macro\)\)\@'.s:d(8).'<=\s\+\zs' . s:idregex . '\%(\.' . s:idregex . '\)*\ze\s*\%((\|\send\>\|$\)" contains=juliaFunctionName'
 exec 'syntax match   juliaFunctionName	contained "\%(\<\%(function\|macro\)\s\+\)\@'.s:d(20).'<=\%(' . s:idregex . '\.\)*\zs' . s:idregex . '"'
 
 exec 'syntax match   juliaStructR	contained transparent "\%(\<\%(\%(mutable\s\+\)\?struct\|\%(abstract\|primitive\)\s\+type\)\s\+\)\@'.s:d(20).'<=\%(' . s:idregex . '\.\)*' . s:idregex . '\>\(\s*(\)\@!" contains=juliaType'
@@ -157,8 +156,8 @@ exec 'syntax region  juliaConditionalEBlock	matchgroup=juliaConditional transpar
 exec 'syntax region  juliaWhileBlock		matchgroup=juliaRepeat start="'.s:nodot.'\<while\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
 exec 'syntax region  juliaForBlock		matchgroup=juliaRepeat start="'.s:nodot.'\<for\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaOuter fold'
 exec 'syntax region  juliaBeginBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<begin\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
-exec 'syntax region  juliaFunctionBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<function\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaFunctionDef,juliaFunctionDefP fold'
-exec 'syntax region  juliaMacroBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<macro\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaFunctionDef,juliaFunctionDefP fold'
+exec 'syntax region  juliaFunctionBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<function\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaFunctionDef fold'
+exec 'syntax region  juliaMacroBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<macro\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaFunctionDef fold'
 exec 'syntax region  juliaQuoteBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<quote\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
 exec 'syntax region  juliaStructBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<struct\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaStructR fold'
 exec 'syntax region  juliaMutableStructBlock	matchgroup=juliaBlKeyword start="'.s:nodot.'\<mutable\s\+struct\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaStructR fold'
@@ -214,7 +213,7 @@ syntax match   juliaConstIO		display "\<\%(std\%(out\|in\|err\)\|devnull\)\>"
 syntax match   juliaConstC		display "\<\%(C_NULL\)\>"
 syntax match   juliaConstGeneric	display "\<\%(nothing\|Main\|undef\|missing\)\>"
 
-exec 'syntax region  juliaParamTypeR	transparent start="' . s:idregex . '\%(\.' . s:idregex . '\)*\s*{" end="}\@'.s:d(1).'<=" contains=juliaType,@juliaExpressions'
+exec 'syntax region  juliaParamTypeR	transparent start="' . s:idregex . '{" end="}\@'.s:d(1).'<=" contains=juliaType,@juliaExpressions'
 
 syntax match   juliaPossibleMacro	transparent "@" contains=juliaMacroCall,juliaMacroCallP,juliaPrintfMacro,juliaDocMacro
 
@@ -383,7 +382,7 @@ syntax cluster juliaContinuationItems	contains=juliaContinuationComma,juliaConti
 exec 'syntax region  juliaContinuationComma	matchgroup=juliaComma contained start=",\ze'.s:eol.'" end="\n\+\ze." contains=@juliaCommentItems'
 exec 'syntax region  juliaContinuationColon	matchgroup=juliaColon contained start=":\ze'.s:eol.'" end="\n\+\ze." contains=@juliaCommentItems'
 exec 'syntax region  juliaContinuationNone	matchgroup=NONE contained start="\%(\<\%(import\|using\|export\)\>\|^\)\@'.s:d(6).'<=\ze'.s:eol.'" end="\n\+\ze." contains=@juliaCommentItems,juliaAsKeyword'
-exec 'syntax match   juliaMacroName		"@' . s:idregex . '\%(\.' . s:idregex . '\)*"'
+exec 'syntax match   juliaMacroName		contained "@' . s:idregex . '\%(\.' . s:idregex . '\)*"'
 
 " the following are disabled by default, but
 " can be enabled by entering e.g.
diff --git a/syntax/kotlin.vim b/syntax/kotlin.vim
index c3ad6884..9da75fa9 100644
--- a/syntax/kotlin.vim
+++ b/syntax/kotlin.vim
@@ -5,7 +5,7 @@ endif
 " Vim syntax file
 " Language: Kotlin
 " Maintainer: Alexander Udalov
-" Latest Revision: 17 February 2021
+" Latest Revision: 11 April 2021
 
 if exists('b:current_syntax')
     finish
@@ -61,7 +61,7 @@ syn match ktModifier "\v<(data|value)>\ze\@=.*<class>"
 syn match ktModifier "\v<(tailrec|operator|infix|suspend)>\ze\@=.*<fun>"
 syn match ktModifier "\v<(const)>\ze\@=.*<val>"
 syn match ktModifier "\v<(lateinit)>\ze\@=.*<var>"
-syn match ktModifier "\v<(internal|private|protected|public)>\ze\@=.*<(class|fun|val|var|typealias)>"
+syn match ktModifier "\v<(internal|private|protected|public)>\ze\@=.*<(class|object|fun|val|var|typealias|constructor)>"
 
 syn match ktOperator "\v\?:|::|\<\=? | \>\=?|[!=]\=\=?|<as>\??|[-!%&*+/|]"
 
diff --git a/syntax/meson.vim b/syntax/meson.vim
index 28eab3ea..6efb3c28 100644
--- a/syntax/meson.vim
+++ b/syntax/meson.vim
@@ -123,6 +123,7 @@ syn keyword mesonBuiltin
   \ test
   \ vcs_tag
   \ warning
+  \ range
 
 if exists("meson_space_error_highlight")
   " trailing whitespace
diff --git a/syntax/nroff.vim b/syntax/nroff.vim
index c848ecf9..b085a5db 100644
--- a/syntax/nroff.vim
+++ b/syntax/nroff.vim
@@ -4,17 +4,10 @@ endif
 
 " VIM syntax file
 " Language:	nroff/groff
-" Maintainer:	Pedro Alejandro López-Valencia <palopezv@gmail.com>
-" URL:		http://vorbote.wordpress.com/
-" Last Change:	2012 Feb 2
-"
-" {{{1 Acknowledgements
-"
-" ACKNOWLEDGEMENTS:
-"
-" My thanks to Jérôme Plût <Jerome.Plut@ens.fr>, who was the
-" creator and maintainer of this syntax file for several years.
-" May I be as good at it as he has been.
+" Maintainer:	John Marshall <jmarshall@hey.com>
+" Previous Maintainer:	Pedro Alejandro López-Valencia <palopezv@gmail.com>
+" Previous Maintainer:	Jérôme Plût <Jerome.Plut@ens.fr>
+" Last Change:	2021 Mar 28
 "
 " {{{1 Todo
 "
@@ -35,6 +28,13 @@ endif
 let s:cpo_save = &cpo
 set cpo&vim
 
+if exists("nroff_is_groff")
+	let b:nroff_is_groff = 1
+endif
+
+syn spell toplevel
+syn case match
+
 "
 " {{{1 plugin settings...
 "
@@ -52,7 +52,7 @@ endif
 "
 setlocal paragraphs+=XP
 "
-" {{{2 Activate navigation to preporcessor sections.
+" {{{2 Activate navigation to preprocessor sections.
 "
 if exists("b:preprocs_as_sections")
 	setlocal sections=EQTSPS[\ G1GS
@@ -173,9 +173,9 @@ endif
 " <jp />
 
 syn region nroffEquation start=/^\.\s*EQ\>/ end=/^\.\s*EN\>/
-syn region nroffTable start=/^\.\s*TS\>/ end=/^\.\s*TE\>/
+syn region nroffTable start=/^\.\s*TS\>/ end=/^\.\s*TE\>/ contains=@Spell
 syn region nroffPicture start=/^\.\s*PS\>/ end=/^\.\s*PE\>/
-syn region nroffRefer start=/^\.\s*\[\>/ end=/^\.\s*\]\>/
+syn region nroffRefer start=/^\.\s*\[\>/ end=/^\.\s*\]\>/ contains=@Spell
 syn region nroffGrap start=/^\.\s*G1\>/ end=/^\.\s*G2\>/
 syn region nroffGremlin start=/^\.\s*GS\>/ end=/^\.\s*GE|GF\>/
 
@@ -183,11 +183,11 @@ syn region nroffGremlin start=/^\.\s*GS\>/ end=/^\.\s*GE|GF\>/
 " ------------------------------------------------------------
 
 syn region nroffIgnore start=/^[.']\s*ig/ end=/^['.]\s*\./
-syn match nroffComment /\(^[.']\s*\)\=\\".*/ contains=nroffTodo
-syn match nroffComment /^'''.*/  contains=nroffTodo
+syn match nroffComment /\(^[.']\s*\)\=\\".*/ contains=nroffTodo,@Spell
+syn match nroffComment /^'''.*/  contains=nroffTodo,@Spell
 
 if exists("b:nroff_is_groff")
-	syn match nroffComment "\\#.*$" contains=nroffTodo
+	syn match nroffComment "\\#.*$" contains=nroffTodo,@Spell
 endif
 
 syn keyword nroffTodo TODO XXX FIXME contained
@@ -202,7 +202,7 @@ syn keyword nroffTodo TODO XXX FIXME contained
 "
 
 hi def link nroffEscChar nroffSpecialChar
-hi def link nroffEscCharAr nroffSpecialChar
+hi def link nroffEscCharArg nroffSpecialChar
 hi def link nroffSpecialChar SpecialChar
 hi def link nroffSpace Delimiter
 
@@ -215,7 +215,7 @@ hi def link nroffEscPar nroffEscape
 hi def link nroffEscRegPar nroffEscape
 hi def link nroffEscArg nroffEscape
 hi def link nroffSize nroffEscape
-hi def link nroffEscape Preproc
+hi def link nroffEscape PreProc
 
 hi def link nroffIgnore Comment
 hi def link nroffComment Comment
diff --git a/syntax/plantuml.vim b/syntax/plantuml.vim
index c562bb82..9b235afb 100644
--- a/syntax/plantuml.vim
+++ b/syntax/plantuml.vim
@@ -99,7 +99,7 @@ syntax match plantumlNoteMultiLineStart /\%(^\s*[rh]\?\%(note\|legend\)\)\@<=\s\
 " Class
 syntax region plantumlClass
       \ start=/\%(\%(class\|interface\|object\)\s[^{]\+\)\@<=\zs{/
-      \ end=/^\s*}/ 
+      \ end=/^\s*}/
       \ contains=plantumlClassArrows,
       \          plantumlClassKeyword,
       \          @plantumlClassOp,
@@ -128,7 +128,7 @@ syntax match plantumlTag /<\/\?[bi]>/
 syntax region plantumlTag start=/<\/\?\%(back\|color\|del\|font\|img\|s\|size\|strike\|u\|w\)/ end=/>/
 
 " Labels with a colon
-syntax match plantumlColonLine /\S\@<=\s*\zs:.\+$/ contains=plantumlSpecialString
+syntax match plantumlColonLine /\S\@<=\s*\zs : .\+$/ contains=plantumlSpecialString
 
 " Stereotypes
 syntax match plantumlStereotype /<<[^-.]\+>>/ contains=plantumlSpecialString
diff --git a/syntax/requirements.vim b/syntax/requirements.vim
index 48331f48..3835c07f 100644
--- a/syntax/requirements.vim
+++ b/syntax/requirements.vim
@@ -3,7 +3,7 @@ if polyglot#init#is_disabled(expand('<sfile>:p'), 'requirements', 'syntax/requir
 endif
 
 " the Requirements File Format syntax support for Vim
-" Version: 1.5.3
+" Version: 1.6.0
 " Author:  raimon <raimon49@hotmail.com>
 " License: MIT LICENSE
 " The MIT License (MIT)
diff --git a/syntax/sshconfig.vim b/syntax/sshconfig.vim
index 2c7bc896..1761e432 100644
--- a/syntax/sshconfig.vim
+++ b/syntax/sshconfig.vim
@@ -5,14 +5,15 @@ endif
 " Vim syntax file
 " Language:	OpenSSH client configuration file (ssh_config)
 " Author:	David Necas (Yeti)
-" Maintainer:	Dominik Fischer <d dot f dot fischer at web dot de>
+" Maintainer:	Jakub Jelen <jakuje at gmail dot com>
+" Previous Maintainer:	Dominik Fischer <d dot f dot fischer at web dot de>
 " Contributor:  Leonard Ehrenfried <leonard.ehrenfried@web.de>
 " Contributor:  Karsten Hopp <karsten@redhat.com>
 " Contributor:  Dean, Adam Kenneth <adam.ken.dean@hpe.com>
-" Last Change:	2020 Feb 12
+" Last Change:	2021 Mar 29
 "		Added RemoteCommand from pull request #4809
 "		Included additional keywords from Martin.
-" SSH Version:	7.4p1
+" SSH Version:	8.5p1
 "
 
 " Setup
@@ -178,6 +179,7 @@ syn keyword sshconfigKeyword HostKeyAlgorithms
 syn keyword sshconfigKeyword HostKeyAlias
 syn keyword sshconfigKeyword HostName
 syn keyword sshconfigKeyword HostbasedAuthentication
+syn keyword sshconfigKeyword HostbasedAcceptedAlgorithms
 syn keyword sshconfigKeyword HostbasedKeyTypes
 syn keyword sshconfigKeyword IPQoS
 syn keyword sshconfigKeyword IdentitiesOnly
@@ -189,9 +191,11 @@ syn keyword sshconfigKeyword IPQoS
 syn keyword sshconfigKeyword KbdInteractiveAuthentication
 syn keyword sshconfigKeyword KbdInteractiveDevices
 syn keyword sshconfigKeyword KexAlgorithms
+syn keyword sshconfigKeyword KnownHostsCommand
 syn keyword sshconfigKeyword LocalCommand
 syn keyword sshconfigKeyword LocalForward
 syn keyword sshconfigKeyword LogLevel
+syn keyword sshconfigKeyword LogVerbose
 syn keyword sshconfigKeyword MACs
 syn keyword sshconfigKeyword Match
 syn keyword sshconfigKeyword NoHostAuthenticationForLocalhost
@@ -199,11 +203,13 @@ syn keyword sshconfigKeyword NumberOfPasswordPrompts
 syn keyword sshconfigKeyword PKCS11Provider
 syn keyword sshconfigKeyword PasswordAuthentication
 syn keyword sshconfigKeyword PermitLocalCommand
+syn keyword sshconfigKeyword PermitRemoteOpen
 syn keyword sshconfigKeyword Port
 syn keyword sshconfigKeyword PreferredAuthentications
 syn keyword sshconfigKeyword ProxyCommand
 syn keyword sshconfigKeyword ProxyJump
 syn keyword sshconfigKeyword ProxyUseFDPass
+syn keyword sshconfigKeyword PubkeyAcceptedAlgorithms
 syn keyword sshconfigKeyword PubkeyAcceptedKeyTypes
 syn keyword sshconfigKeyword PubkeyAuthentication
 syn keyword sshconfigKeyword RekeyLimit
diff --git a/syntax/sshdconfig.vim b/syntax/sshdconfig.vim
index ffd50dae..9c9f4af0 100644
--- a/syntax/sshdconfig.vim
+++ b/syntax/sshdconfig.vim
@@ -11,8 +11,8 @@ endif
 " Contributor:  Leonard Ehrenfried <leonard.ehrenfried@web.de>	
 " Contributor:  Karsten Hopp <karsten@redhat.com>
 " Originally:	2009-07-09
-" Last Change:	2020-10-20
-" SSH Version:	8.4p1
+" Last Change:	2021-03-29
+" SSH Version:	8.5p1
 "
 
 " Setup
@@ -199,6 +199,7 @@ syn keyword sshdconfigKeyword HostCertificate
 syn keyword sshdconfigKeyword HostKey
 syn keyword sshdconfigKeyword HostKeyAgent
 syn keyword sshdconfigKeyword HostKeyAlgorithms
+syn keyword sshdconfigKeyword HostbasedAcceptedAlgorithms
 syn keyword sshdconfigKeyword HostbasedAcceptedKeyTypes
 syn keyword sshdconfigKeyword HostbasedAuthentication
 syn keyword sshdconfigKeyword HostbasedUsesNameFromPacketOnly
@@ -217,6 +218,7 @@ syn keyword sshdconfigKeyword KexAlgorithms
 syn keyword sshdconfigKeyword KeyRegenerationInterval
 syn keyword sshdconfigKeyword ListenAddress
 syn keyword sshdconfigKeyword LogLevel
+syn keyword sshdconfigKeyword LogVerbose
 syn keyword sshdconfigKeyword LoginGraceTime
 syn keyword sshdconfigKeyword MACs
 syn keyword sshdconfigKeyword Match
@@ -224,6 +226,8 @@ syn keyword sshdconfigKeyword MaxAuthTries
 syn keyword sshdconfigKeyword MaxSessions
 syn keyword sshdconfigKeyword MaxStartups
 syn keyword sshdconfigKeyword PasswordAuthentication
+syn keyword sshdconfigKeyword PerSourceMaxStartups
+syn keyword sshdconfigKeyword PerSourceNetBlockSize
 syn keyword sshdconfigKeyword PermitBlacklistedKeys
 syn keyword sshdconfigKeyword PermitEmptyPasswords
 syn keyword sshdconfigKeyword PermitListen
@@ -238,6 +242,7 @@ syn keyword sshdconfigKeyword Port
 syn keyword sshdconfigKeyword PrintLastLog
 syn keyword sshdconfigKeyword PrintMotd
 syn keyword sshdconfigKeyword Protocol
+syn keyword sshdconfigKeyword PubkeyAcceptedAlgorithms
 syn keyword sshdconfigKeyword PubkeyAcceptedKeyTypes
 syn keyword sshdconfigKeyword PubkeyAuthentication
 syn keyword sshdconfigKeyword PubkeyAuthOptions
diff --git a/syntax/sudoers.vim b/syntax/sudoers.vim
index 1d65f011..759976c2 100644
--- a/syntax/sudoers.vim
+++ b/syntax/sudoers.vim
@@ -4,8 +4,9 @@ endif
 
 " Vim syntax file
 " Language:             sudoers(5) configuration files
+" Maintainer:           Eisuke Kawashima ( e.kawaschima+vim AT gmail.com )
 " Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
-" Latest Revision:      2018-08-18
+" Latest Revision:      2021 Mar 15
 " Recent Changes:	Support for #include and #includedir.
 " 			Added many new options (Samuel D. Leslie)
 
@@ -30,7 +31,7 @@ syn cluster sudoersCmndSpecList       contains=sudoersUserRunasBegin,sudoersPASS
 syn keyword sudoersTodo               contained TODO FIXME XXX NOTE
 
 syn region  sudoersComment            display oneline start='#' end='$' contains=sudoersTodo
-syn region  sudoersInclude            display oneline start='#\(include\|includedir\)' end='$'
+syn region  sudoersInclude            display oneline start='[#@]\%(include\|includedir\)\>' end='$'
 
 syn keyword sudoersAlias              User_Alias Runas_Alias nextgroup=sudoersUserAlias skipwhite skipnl
 syn keyword sudoersAlias              Host_Alias nextgroup=sudoersHostAlias skipwhite skipnl
@@ -205,7 +206,7 @@ syn keyword sudoersBooleanParameter contained skipwhite skipnl
                                   \ shell_noargs
                                   \ stay_setuid
                                   \ sudoedit_checkdir
-                                  \ sudoedit_fellow
+                                  \ sudoedit_follow
                                   \ syslog_pid
                                   \ targetpw
                                   \ tty_tickets