" Vim syntax file
" Language: AsciiDoc
" Author: Stuart Rackham (inspired by Felix
" Obenhuber's original asciidoc.vim script).
" URL: http://asciidoc.org/
" Licence: GPL (http://www.gnu.org)
" Remarks: Vim 6 or greater
" Limitations:
"
" - Nested quoted text formatting is highlighted according to the outer
" format.
" - If a closing Example Block delimiter may be mistaken for a title
" underline. A workaround is to insert a blank line before the closing
" delimiter.
" - Lines within a paragraph starting with equals characters are
" highlighted as single-line titles.
" - Lines within a paragraph beginning with a period are highlighted as
" block titles.
if exists("b:current_syntax")
finish
endif
syn clear
syn sync fromstart
syn sync linebreaks=100
" Run :help syn-priority to review syntax matching priority.
syn keyword asciidocToDo TODO FIXME CHECK TEST XXX ZZZ DEPRECATED
syn match asciidocBackslash /\\/
syn region asciidocIdMarker start=/^\$Id:\s/ end=/\s\$$/
syn match asciidocCallout /\\\@/
syn match asciidocOpenBlockDelimiter /^--$/
syn match asciidocLineBreak /[ \t]+$/ containedin=asciidocList
syn match asciidocRuler /^'\{3,}$/
syn match asciidocPagebreak /^<\{3,}$/
syn match asciidocEntityRef /\\\@\?[0-9A-Za-z_]\@!/
syn match asciidocAttributeRef /\\\@.]\{,3}\)\?\([a-z]\)\?\)\?|/ containedin=asciidocTableBlock contained
syn region asciidocTableBlock matchgroup=asciidocTableDelimiter start=/^|=\{3,}$/ end=/^|=\{3,}$/ keepend contains=ALL
syn match asciidocTablePrefix /\(\S\@.]\{,3}\)\?\([a-z]\)\?\)\?!/ containedin=asciidocTableBlock contained
syn region asciidocTableBlock2 matchgroup=asciidocTableDelimiter2 start=/^!=\{3,}$/ end=/^!=\{3,}$/ keepend contains=ALL
syn match asciidocListContinuation /^+$/
syn region asciidocLiteralBlock start=/^\.\{4,}$/ end=/^\.\{4,}$/ contains=asciidocCallout,asciidocToDo keepend
syn region asciidocListingBlock start=/^-\{4,}$/ end=/^-\{4,}$/ contains=asciidocCallout,asciidocToDo keepend
syn region asciidocCommentBlock start="^/\{4,}$" 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,}$/
syn region asciidocMacroAttributes matchgroup=asciidocRefMacro start=/\\\@>\)\|^$/ contains=asciidocQuoted.* keepend
syn region asciidocMacroAttributes matchgroup=asciidocAnchorMacro start=/\\\@