Vim syntax highlighter: Fixed some broken bit viz. lists highlighting,

plus a few other improvements.

1 files changed, 68 insertions, 70 deletions

diff --git a/vim/syntax/asciidoc.vim b/vim/syntax/asciidoc.vim
index 6e83280..c30a6ee 100644
--- a/vim/syntax/asciidoc.vim
+++ b/vim/syntax/asciidoc.vim
@@ -17,7 +17,7 @@ syn sync fromstart
 syn sync linebreaks=1
 
 " Run :help syn-priority to review syntax matching priority.
-syn keyword asciidocToDo TODO FIXME CHECK TEST XXX ZZZ
+syn keyword asciidocToDo TODO FIXME CHECK TEST XXX ZZZ DEPRECATED
 syn match asciidocBackslash /\\/
 syn region asciidocIdMarker start=/^\$Id:\s/ end=/\s\$$/
 syn match asciidocCallout /\\\@<!<\d\{1,2}>/
@@ -26,24 +26,19 @@ syn match asciidocLineBreak /[ \t]+$/
 syn match asciidocRuler /^'\{3,}$/
 syn match asciidocPagebreak /^<\{3,}$/
 syn match asciidocEntityRef /\\\@<!&[#a-zA-Z]\S\{-};/
-" asciidocLiteralParagraph is broken by:
-" - Preceding attribute lists.
-" - Indented lists (accept those with single '-', '*' or '.' bullet
-"   characters).
-syn region asciidocLiteralParagraph start=/^\n[ \t]\+\(\([^-*.] \)\|\(\S\S\)\)/ end=/\(^+\?\s*$\)\@=/
+syn region asciidocLiteralParagraph start=/^\s\+\S\+/ end=/\(^+\?\s*$\)\@=/
 syn match asciidocURL /\\\@<!\<\(http\|https\|ftp\|file\|irc\):\/\/[^| \t]*\(\w\|\/\)/
-syn match asciidocEmail /\\\@<!\(\<\|<\)\w\(\w\|[.-]\)*@\(\w\|[.-]\)*\w>\?[0-9A-Za-z_]\@!/
+syn match asciidocEmail /[\\.:]\@<!\(\<\|<\)\w\(\w\|[.-]\)*@\(\w\|[.-]\)*\w>\?[0-9A-Za-z_]\@!/
 syn match asciidocAttributeRef /\\\@<!{\w\(\w\|-\)*\([=!@#$%?:].*\)\?}/
-syn match asciidocAdmonition /^\u\{3,15}:\(\s\+.*\)\@=/
 
-" As a damage control measure quoted patterns always terminate at a  blank
+" As a damage control measure quoted patterns always terminate at a blank
 " line (see 'Limitations' above).
 syn match asciidocQuotedSubscript /\\\@<!\~\S\_.\{-}\(\~\|\n\s*\n\)/
 syn match asciidocQuotedSuperscript /\\\@<!\^\S\_.\{-}\(\^\|\n\s*\n\)/
 
 syn match asciidocQuotedMonospaced /\(^\|[| \t([.,=\]]\)\@<=+\([ )\n\t]\)\@!\(.\|\n\(\s*\n\)\@!\)\{-}\S\(+\([| \t)[\],.?!;:=]\|$\)\@=\)/
 syn match asciidocQuotedMonospaced2 /\(^\|[| \t([.,=\]]\)\@<=`\([ )\n\t]\)\@!\(.\|\n\(\s*\n\)\@!\)\{-}\S\(`\([| \t)[\],.?!;:=]\|$\)\@=\)/
-syn match asciidocQuotedUnconstrainedMonospaced /\\\@<!++\S\_.\{-}\(++\|\n\s*\n\)/
+syn match asciidocQuotedUnconstrainedMonospaced /[\\+]\@<!++\S\_.\{-}\(++\|\n\s*\n\)/
 
 syn match asciidocQuotedEmphasized /\(^\|[| \t([.,=\]]\)\@<=_\([ )\n\t]\)\@!\(.\|\n\(\s*\n\)\@!\)\{-}\S\(_\([| \t)[\],.?!;:=]\|$\)\@=\)/
 syn match asciidocQuotedEmphasized2 /\(^\|[| \t([.,=\]]\)\@<='\([ )\n\t]\)\@!\(.\|\n\(\s*\n\)\@!\)\{-}\S\('\([| \t)[\],.?!;:=]\|$\)\@=\)/
@@ -60,23 +55,21 @@ syn match asciidocQuotedDoubleQuoted /\(^\|[| \t([.,=]\)\@<=``\([ )\n\t]\)\@!\(.
 syn match asciidocDoubleDollarPassthrough /\\\@<!\(^\|[^0-9a-zA-Z$]\)\@<=\$\$..\{-}\(\$\$\([^0-9a-zA-Z$]\|$\)\@=\|^$\)/
 syn match asciidocTriplePlusPassthrough /\\\@<!\(^\|[^0-9a-zA-Z$]\)\@<=+++..\{-}\(+++\([^0-9a-zA-Z$]\|$\)\@=\|^$\)/
 
-syn match asciidocListBullet /^\s*\zs\(-\|\*\{1,5}\)\ze\s/
-syn match asciidocListNumber /^\s*\zs\(\(\d\+\.\)\|\.\{1,5}\|\(\a\.\)\|\([ivxIVX]\+)\)\)\ze\s\+/
+syn match asciidocAdmonition /^\u\{3,15}:\(\s\+.*\)\@=/
 
 syn region asciidocTable_OLD start=/^\([`.']\d*[-~_]*\)\+[-~_]\+\d*$/ end=/^$/
 syn match asciidocBlockTitle /^\.[^. \t].*[^-~_]$/ contains=asciidocQuoted.*,asciidocAttributeRef
-syn match asciidocOneLineTitle /^=\{1,5}\s\+\S.*$/ contains=asciidocQuoted.*,asciidocAttributeRef
-
 syn match asciidocTitleUnderline /[-=~^+]\{2,}$/ transparent contained contains=NONE
-syn match asciidocTwoLineTitle /^[^. +/].*[^.:]\n[-=~^+]\{2,}$/ contains=asciidocQuoted.*,asciidocAttributeRef,asciidocTitleUnderline
+syn match asciidocOneLineTitle /^=\{1,5}\s\+\S.*$/ contains=asciidocQuoted.*,asciidocMacroAttributes,asciidocAttributeRef,asciidocEntityRef,asciidocEmail,asciidocURL,asciidocBackslash
+syn match asciidocTwoLineTitle /^[^. +/].*[^.]\n[-=~^+]\{2,}$/ contains=asciidocQuoted.*,asciidocMacroAttributes,asciidocAttributeRef,asciidocEntityRef,asciidocEmail,asciidocURL,asciidocBackslash,asciidocTitleUnderline
 
 syn match asciidocAttributeList /^\[[^[ \t].*\]$/
 syn match asciidocQuoteBlockDelimiter /^_\{4,}$/
 syn match asciidocExampleBlockDelimiter /^=\{4,}$/
 syn match asciidocSidebarDelimiter /^*\{4,}$/
 
-"See http://vimdoc.sourceforge.net/htmldoc/usr_44.html for excluding region
-"contents from highlighting.
+" See http://vimdoc.sourceforge.net/htmldoc/usr_44.html for excluding region
+" contents from highlighting.
 syn match asciidocTablePrefix /\(\S\@<!\(\([0-9.]\+\)\([*+]\)\)\?\([<\^>.]\{,3}\)\?\([a-z]\)\?\)\?|/ containedin=asciidocTableBlock contained
 syn region asciidocTableBlock matchgroup=asciidocTableDelimiter start=/^|=\{3,}$/ end=/^|=\{3,}$/ keepend contains=ALL
 syn match asciidocTablePrefix /\(\S\@<!\(\([0-9.]\+\)\([*+]\)\)\?\([<\^>.]\{,3}\)\?\([a-z]\)\?\)\?!/ containedin=asciidocTableBlock contained
@@ -84,9 +77,10 @@ syn region asciidocTableBlock2 matchgroup=asciidocTableDelimiter2 start=/^!=\{3,
 
 syn match asciidocListContinuation /^+$/
 syn region asciidocLiteralBlock start=/^\.\{4,}$/ end=/^\.\{4,}$/ contains=asciidocCallout keepend
-syn region asciidocOpenBlock start=/^-\{4,}$/ end=/^-\{4,}$/ contains=asciidocCallout keepend
+syn region asciidocListingBlock start=/^-\{4,}$/ end=/^-\{4,}$/ contains=asciidocCallout keepend
 syn region asciidocCommentBlock start="^/\{4,}$" end="^/\{4,}$" contains=asciidocToDo
 syn region asciidocPassthroughBlock start="^+\{4,}$" end="^+\{4,}$"
+
 " Allowing leading \w characters in the filter delimiter is to accomodate
 " the pre version 8.2.7 syntax and may be removed in future releases.
 syn region asciidocFilterBlock start=/^\w*\~\{4,}$/ end=/^\w*\~\{4,}$/
@@ -100,73 +94,77 @@ syn region asciidocMacroAttributes matchgroup=asciidocAttributeMacro start=/\({\
 
 syn match asciidocCommentLine "^//\([^/].*\|\)$" contains=asciidocToDo
 
-syn region asciidocLabel start=/^\s*/ end=/\(:\{2,4}\|;;\)$/ oneline contains=asciidocQuoted.*,asciidocMacroAttributes keepend
-"DEPRECATED: Horizontal label.
-syn region asciidocHLabel start=/^\s*/ end=/\(::\|;;\)\(\s\+\|\\$\)/ oneline contains=asciidocQuoted.*,asciidocMacroAttributes keepend
-
 syn region asciidocAttributeEntry start=/^:\w/ end=/:\(\s\|$\)/ oneline
 
-highlight link asciidocMacroAttributes Label
-highlight link asciidocIdMarker Special
-highlight link asciidocDoubleDollarPassthrough Special
-highlight link asciidocTriplePlusPassthrough Special
-highlight link asciidocQuotedSubscript Type
-highlight link asciidocQuotedSuperscript Type
-highlight link asciidocOneLineTitle Title
-highlight link asciidocTwoLineTitle Title
-highlight link asciidocBlockTitle Title
-highlight link asciidocRefMacro Macro
-highlight link asciidocIndexTerm Macro
-highlight link asciidocMacro Macro
-highlight link asciidocAttributeMacro Macro
+" Lists.
+syn match asciidocListBullet /^\s*\zs\(-\|\*\{1,5}\)\ze\s/
+syn match asciidocListNumber /^\s*\zs\(\(\d\+\.\)\|\.\{1,5}\|\(\a\.\)\|\([ivxIVX]\+)\)\)\ze\s\+/
+syn region asciidocListLabel start=/^\s*/ end=/\(:\{2,4}\|;;\)$/ oneline contains=asciidocQuoted.*,asciidocMacroAttributes,asciidocAttributeRef,asciidocEntityRef,asciidocEmail,asciidocURL,asciidocBackslash keepend
+" DEPRECATED: Horizontal label.
+syn region asciidocHLabel start=/^\s*/ end=/\(::\|;;\)\(\s\+\|\\$\)/ oneline contains=asciidocQuoted.*,asciidocMacroAttributes keepend
+" Starts with any of the above.
+syn region asciidocList start=/^\s*\(-\|\*\{1,5}\)\s/ start=/^\s*\(\(\d\+\.\)\|\.\{1,5}\|\(\a\.\)\|\([ivxIVX]\+)\)\)\s\+/ start=/.\+\(:\{2,4}\|;;\)$/ end=/\(^[=*]\{4,}$\)\@=/ end=/\(^+\?\s*$\)\@=/ contains=asciidocList.\+,asciidocQuoted.*,asciidocMacroAttributes,asciidocAttributeRef,asciidocEntityRef,asciidocEmail,asciidocURL,asciidocBackslash,asciidocCommentLine,asciidocAttributeList
+
+highlight link asciidocAdmonition Special
 highlight link asciidocAnchorMacro Macro
+highlight link asciidocAttributeEntry Special
+highlight link asciidocAttributeList Special
+highlight link asciidocAttributeMacro Macro
+highlight link asciidocAttributeRef Special
+highlight link asciidocBackslash Special
+highlight link asciidocBlockTitle Title
+highlight link asciidocCallout Label
+highlight link asciidocCommentBlock Comment
+highlight link asciidocCommentLine Comment
+highlight link asciidocDoubleDollarPassthrough Special
 highlight link asciidocEmail Macro
-highlight link asciidocListBullet Label
-highlight link asciidocListNumber Label
-highlight link asciidocLabel Label
+highlight link asciidocEntityRef Special
+highlight link asciidocExampleBlockDelimiter Type
+highlight link asciidocFilterBlock Type
 highlight link asciidocHLabel Label
-highlight link asciidocTable_OLD Type
-highlight link asciidocTableDelimiter Label
-highlight link asciidocTableBlock NONE
-highlight link asciidocTablePrefix Label
-highlight link asciidocTableDelimiter2 Label
-highlight link asciidocTableBlock2 NONE
-highlight link asciidocTablePrefix2 Label
+highlight link asciidocIdMarker Special
+highlight link asciidocIndexTerm Macro
+highlight link asciidocLineBreak Special
 highlight link asciidocListBlockDelimiter Label
+highlight link asciidocListBullet Label
 highlight link asciidocListContinuation Label
-highlight link asciidocLiteralParagraph Identifier
-highlight link asciidocQuoteBlockDelimiter Type
-highlight link asciidocExampleBlockDelimiter Type
-highlight link asciidocSidebarDelimiter Type
+highlight link asciidocListingBlock Identifier
+highlight link asciidocListLabel Label
+highlight link asciidocListNumber Label
 highlight link asciidocLiteralBlock Identifier
-highlight link asciidocOpenBlock Identifier
+highlight link asciidocLiteralParagraph Identifier
+highlight link asciidocMacroAttributes Label
+highlight link asciidocMacro Macro
+highlight link asciidocOneLineTitle Title
+highlight link asciidocPagebreak Type
 highlight link asciidocPassthroughBlock Identifier
-highlight link asciidocCommentBlock Comment
-highlight link asciidocFilterBlock Type
+highlight link asciidocQuoteBlockDelimiter Type
 highlight link asciidocQuotedBold Special
-highlight link asciidocQuotedUnconstrainedBold Special
-highlight link asciidocQuotedEmphasized Type
+highlight link asciidocQuotedDoubleQuoted Label
 highlight link asciidocQuotedEmphasized2 Type
-highlight link asciidocQuotedUnconstrainedEmphasized Type
-highlight link asciidocQuotedMonospaced Identifier
+highlight link asciidocQuotedEmphasized Type
 highlight link asciidocQuotedMonospaced2 Identifier
-highlight link asciidocQuotedUnconstrainedMonospaced Identifier
+highlight link asciidocQuotedMonospaced Identifier
 highlight link asciidocQuotedSingleQuoted Label
-highlight link asciidocQuotedDoubleQuoted Label
-highlight link asciidocToDo Todo
-highlight link asciidocCommentLine Comment
-highlight link asciidocAdmonition Special
-highlight link asciidocAttributeRef Special
-highlight link asciidocAttributeList Special
-highlight link asciidocAttributeEntry Special
-highlight link asciidocBackslash Special
-highlight link asciidocEntityRef Special
-highlight link asciidocCallout Label
-highlight link asciidocLineBreak Special
+highlight link asciidocQuotedSubscript Type
+highlight link asciidocQuotedSuperscript Type
+highlight link asciidocQuotedUnconstrainedBold Special
+highlight link asciidocQuotedUnconstrainedEmphasized Type
+highlight link asciidocQuotedUnconstrainedMonospaced Identifier
+highlight link asciidocRefMacro Macro
 highlight link asciidocRuler Type
-highlight link asciidocPagebreak Type
+highlight link asciidocSidebarDelimiter Type
+highlight link asciidocTableBlock2 NONE
+highlight link asciidocTableBlock NONE
+highlight link asciidocTableDelimiter2 Label
+highlight link asciidocTableDelimiter Label
+highlight link asciidocTable_OLD Type
+highlight link asciidocTablePrefix2 Label
+highlight link asciidocTablePrefix Label
+highlight link asciidocToDo Todo
+highlight link asciidocTriplePlusPassthrough Special
+highlight link asciidocTwoLineTitle Title
 highlight link asciidocURL Macro
-
 let b:current_syntax = "asciidoc"
 
 " vim: wrap et sw=2 sts=2: