Merge pull request #14424 from janlazo/vim-8.1.1726

vim-patch:8.1.1726,8.2.{296,860,1827,2388,2788,2790,2801}

1 files changed, 37 insertions, 42 deletions

diff --git a/runtime/syntax/html.vim b/runtime/syntax/html.vim
index d16ee1817f..8ccb5574e7 100644
--- a/runtime/syntax/html.vim
+++ b/runtime/syntax/html.vim
@@ -1,10 +1,11 @@
 " Vim syntax file
 " Language:             HTML
-" Maintainer:           Jorge Maldonado Ventura <jorgesumle@freakspot.net>
+" 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:          2018 Apr 7
-" Included patch from Jorge Maldonado Ventura to fix rendering
+" 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
@@ -57,11 +58,12 @@ syn keyword htmlTagName contained object optgroup q s tbody tfoot thead
 
 " new html 5 tags
 syn keyword htmlTagName contained article aside audio bdi canvas data
-syn keyword htmlTagName contained datalist details embed figcaption figure
-syn keyword htmlTagName contained footer header hgroup keygen main mark
-syn keyword htmlTagName contained menuitem meter nav output picture
+syn keyword htmlTagName contained datalist details dialog embed figcaption
+syn keyword htmlTagName contained figure footer header hgroup keygen main
+syn keyword htmlTagName contained mark menuitem meter nav output picture
 syn keyword htmlTagName contained progress rb rp rt rtc ruby section
-syn keyword htmlTagName contained slot source template time track video wbr
+syn keyword htmlTagName contained slot source summary template time track
+syn keyword htmlTagName contained video wbr
 
 " legal arg names
 syn keyword htmlArg contained action
@@ -78,26 +80,16 @@ 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
@@ -123,11 +115,11 @@ syn keyword htmlArg contained summary tabindex valuetype version
 " html 5 arg names
 syn keyword htmlArg contained allowfullscreen async autocomplete autofocus
 syn keyword htmlArg contained autoplay challenge contenteditable contextmenu
-syn keyword htmlArg contained controls crossorigin default dialog dirname
-syn keyword htmlArg contained download draggable dropzone form formaction
-syn keyword htmlArg contained formenctype formmethod formnovalidate formtarget
-syn keyword htmlArg contained hidden high icon inputmode keytype kind list loop
-syn keyword htmlArg contained low max min minlength muted nonce novalidate open
+syn keyword htmlArg contained controls crossorigin default dirname download
+syn keyword htmlArg contained draggable dropzone form formaction formenctype
+syn keyword htmlArg contained formmethod formnovalidate formtarget hidden
+syn keyword htmlArg contained high icon inputmode keytype kind list loop low
+syn keyword htmlArg contained max min minlength muted nonce novalidate open
 syn keyword htmlArg contained optimum pattern placeholder poster preload
 syn keyword htmlArg contained radiogroup required reversed sandbox spellcheck
 syn keyword htmlArg contained sizes srcset srcdoc srclang step title translate
@@ -138,13 +130,19 @@ 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
-  syn region htmlComment                start=+<!+      end=+>+   contains=htmlCommentPart,htmlCommentError,@Spell
-  syn match  htmlCommentError contained "[^><!]"
-  syn region htmlCommentPart  contained start=+--+      end=+--\s*+  contains=@htmlPreProc,@Spell
+  " 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
@@ -265,7 +263,7 @@ 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")
@@ -309,13 +307,10 @@ 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      htmlError
 hi def link htmlCommentError       htmlError
 hi def link htmlTagError           htmlError
 hi def link htmlEvent              javaScript