Switch back to plasticboy for markdown

9 files changed, 1206 insertions, 1647 deletions

diff --git a/README.md b/README.md
index e41ef2ad..52e2776b 100644
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [log](https://github.com/MTDL9/vim-log-highlighting) (syntax)
 - [lua](https://github.com/tbastos/vim-lua) (syntax, indent)
 - [mako](https://github.com/sophacles/vim-bundle-mako) (syntax, indent, ftplugin)
-- [markdown](https://github.com/gabrielelana/vim-markdown) (syntax, autoload, ftplugin)
+- [markdown](https://github.com/plasticboy/vim-markdown) (syntax, indent, ftplugin)
 - [mathematica](https://github.com/voldikss/vim-mma) (syntax, ftplugin)
 - [mdx](https://github.com/jxnblk/vim-mdx-js) (syntax)
 - [meson](https://github.com/mesonbuild/meson) (syntax, indent, ftplugin)
diff --git a/after/ftplugin/markdown.vim b/after/ftplugin/markdown.vim
new file mode 100644
index 00000000..1d1e410c
--- /dev/null
+++ b/after/ftplugin/markdown.vim
@@ -0,0 +1,205 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
+
+" vim: ts=4 sw=4:
+" folding for Markdown headers, both styles (atx- and setex-)
+" http://daringfireball.net/projects/markdown/syntax#header
+"
+" this code can be placed in file
+"   $HOME/.vim/after/ftplugin/markdown.vim
+"
+" original version from Steve Losh's gist: https://gist.github.com/1038710
+
+function! s:is_mkdCode(lnum)
+    let name = synIDattr(synID(a:lnum, 1, 0), 'name')
+    return (name =~ '^mkd\%(Code$\|Snippet\)' || name != '' && name !~ '^\%(mkd\|html\)')
+endfunction
+
+if get(g:, "vim_markdown_folding_style_pythonic", 0)
+    function! Foldexpr_markdown(lnum)
+        let l1 = getline(a:lnum)
+        "~~~~~ keep track of fenced code blocks ~~~~~
+        "If we hit a code block fence
+        if l1 =~ '````*' || l1 =~ '\~\~\~\~*'
+            " toggle the variable that says if we're in a code block
+            if b:fenced_block == 0
+                let b:fenced_block = 1
+            elseif b:fenced_block == 1
+                let b:fenced_block = 0
+            endif
+        " else, if we're caring about front matter
+        elseif g:vim_markdown_frontmatter == 1
+            " if we're in front matter and not on line 1
+            if b:front_matter == 1 && a:lnum > 2
+                let l0 = getline(a:lnum-1)
+                " if the previous line fenced front matter
+                if l0 == '---'
+                    " we must not be in front matter
+                    let b:front_matter = 0
+                endif
+            " else, if we're on line one
+            elseif a:lnum == 1
+                " if we hit a front matter fence
+                if l1 == '---'
+                    " we're in the front matter
+                    let b:front_matter = 1
+                endif
+            endif
+        endif
+
+        " if we're in a code block or front matter
+        if b:fenced_block == 1 || b:front_matter == 1
+            if a:lnum == 1
+                " fold any 'preamble'
+                return '>1'
+            else
+                " keep previous foldlevel
+                return '='
+            endif
+        endif
+
+        let l2 = getline(a:lnum+1)
+        " if the next line starts with two or more '='
+        " and is not code
+        if l2 =~ '^==\+\s*' && !s:is_mkdCode(a:lnum+1)
+            " next line is underlined (level 1)
+            return '>0'
+        " else, if the nex line starts with two or more '-'
+        " and is not code
+        elseif l2 =~ '^--\+\s*' && !s:is_mkdCode(a:lnum+1)
+            " next line is underlined (level 2)
+            return '>1'
+        endif
+
+        "if we're on a non-code line starting with a pound sign
+        if l1 =~ '^#' && !s:is_mkdCode(a:lnum)
+            " set the fold level to the number of hashes -1
+            " return '>'.(matchend(l1, '^#\+') - 1)
+            " set the fold level to the number of hashes
+            return '>'.(matchend(l1, '^#\+'))
+        " else, if we're on line 1
+        elseif a:lnum == 1
+            " fold any 'preamble'
+            return '>1'
+        else
+            " keep previous foldlevel
+            return '='
+        endif
+    endfunction
+
+    function! Foldtext_markdown()
+        let line = getline(v:foldstart)
+        let has_numbers = &number || &relativenumber
+        let nucolwidth = &fdc + has_numbers * &numberwidth
+        let windowwidth = winwidth(0) - nucolwidth - 6
+        let foldedlinecount = v:foldend - v:foldstart
+        let line = strpart(line, 0, windowwidth - 2 -len(foldedlinecount))
+        let line = substitute(line, '\%("""\|''''''\)', '', '')
+        let fillcharcount = windowwidth - len(line) - len(foldedlinecount) + 1
+        return line . ' ' . repeat("-", fillcharcount) . ' ' . foldedlinecount
+    endfunction
+else " vim_markdown_folding_style_pythonic == 0
+    function! Foldexpr_markdown(lnum)
+        if (a:lnum == 1)
+            let l0 = ''
+        else
+            let l0 = getline(a:lnum-1)
+        endif
+
+        " keep track of fenced code blocks
+        if l0 =~ '````*' || l0 =~ '\~\~\~\~*'
+            if b:fenced_block == 0
+                let b:fenced_block = 1
+            elseif b:fenced_block == 1
+                let b:fenced_block = 0
+            endif
+        elseif g:vim_markdown_frontmatter == 1
+            if b:front_matter == 1
+                if l0 == '---'
+                    let b:front_matter = 0
+                endif
+            elseif a:lnum == 2
+                if l0 == '---'
+                    let b:front_matter = 1
+                endif
+            endif
+        endif
+
+        if b:fenced_block == 1 || b:front_matter == 1
+            " keep previous foldlevel
+            return '='
+        endif
+
+        let l2 = getline(a:lnum+1)
+        if  l2 =~ '^==\+\s*' && !s:is_mkdCode(a:lnum+1)
+            " next line is underlined (level 1)
+            return '>1'
+        elseif l2 =~ '^--\+\s*' && !s:is_mkdCode(a:lnum+1)
+            " next line is underlined (level 2)
+            if s:vim_markdown_folding_level >= 2
+                return '>1'
+            else
+                return '>2'
+            endif
+        endif
+
+        let l1 = getline(a:lnum)
+        if l1 =~ '^#' && !s:is_mkdCode(a:lnum)
+            " fold level according to option
+            if s:vim_markdown_folding_level == 1 || matchend(l1, '^#\+') > s:vim_markdown_folding_level
+                if a:lnum == line('$')
+                    return matchend(l1, '^#\+') - 1
+                else
+                    return -1
+                endif
+            else
+                " headers are not folded
+                return 0
+            endif
+        endif
+
+        if l0 =~ '^#' && !s:is_mkdCode(a:lnum-1)
+            " previous line starts with hashes
+            return '>'.matchend(l0, '^#\+')
+        else
+            " keep previous foldlevel
+            return '='
+        endif
+    endfunction
+endif
+
+
+let b:fenced_block = 0
+let b:front_matter = 0
+let s:vim_markdown_folding_level = get(g:, "vim_markdown_folding_level", 1)
+
+function! s:MarkdownSetupFolding()
+    if !get(g:, "vim_markdown_folding_disabled", 0)
+        if get(g:, "vim_markdown_folding_style_pythonic", 0)
+            if get(g:, "vim_markdown_override_foldtext", 1)
+                setlocal foldtext=Foldtext_markdown()
+            endif
+        endif
+        setlocal foldexpr=Foldexpr_markdown(v:lnum)
+        setlocal foldmethod=expr
+    endif
+endfunction
+
+function! s:MarkdownSetupFoldLevel()
+    if get(g:, "vim_markdown_folding_style_pythonic", 0)
+        " set default foldlevel
+        execute "setlocal foldlevel=".s:vim_markdown_folding_level
+    endif
+endfunction
+
+call s:MarkdownSetupFoldLevel()
+call s:MarkdownSetupFolding()
+
+augroup Mkd
+    " These autocmds need to be kept in sync with the autocmds calling
+    " s:MarkdownRefreshSyntax in ftplugin/markdown.vim.
+    autocmd BufWinEnter,BufWritePost <buffer> call s:MarkdownSetupFolding()
+    autocmd InsertEnter,InsertLeave <buffer> call s:MarkdownSetupFolding()
+    autocmd CursorHold,CursorHoldI <buffer> call s:MarkdownSetupFolding()
+augroup END
+
+endif
diff --git a/autoload/markdown.vim b/autoload/markdown.vim
deleted file mode 100644
index 3db667e1..00000000
--- a/autoload/markdown.vim
+++ /dev/null
@@ -1,532 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
-
-
-" {{{ FOLDING
-
-function! markdown#FoldLevelOfLine(lnum)
-  let currentline = getline(a:lnum)
-  let nextline = getline(a:lnum + 1)
-
-  " an empty line is not going to change the indentation level
-  if match(currentline, '^\s*$') >= 0
-    return '='
-  endif
-
-  " folding lists
-  if s:SyntaxGroupOfLineIs(a:lnum, '^markdownListItem')
-    if s:SyntaxGroupOfLineIs(a:lnum - 1, '^markdownListItem')
-      return 'a1'
-    endif
-    if s:SyntaxGroupOfLineIs(a:lnum + 1, '^markdownListItem')
-      return 's1'
-    endif
-    return '='
-  endif
-
-  " we are not going to fold things inside list items, too hairy
-  let is_inside_a_list_item = s:SyntaxGroupOfLineIs(a:lnum, '^markdownListItem')
-  if is_inside_a_list_item
-    return '='
-  endif
-
-  " folding atx headers
-  if match(currentline, '^#\{1,6}\s') >= 0
-    let header_level = strlen(substitute(currentline, '^\(#\{1,6}\).*', '\1', ''))
-    return '>' . header_level
-  endif
-
-  " folding fenced code blocks
-  let next_line_syntax_group = synIDattr(synID(a:lnum + 1, 1, 1), 'name')
-  if match(currentline, '^\s*```') >= 0
-    if next_line_syntax_group ==# 'markdownFencedCodeBlock'
-      return 'a1'
-    endif
-    return 's1'
-  endif
-
-  " folding code blocks
-  let current_line_syntax_group = synIDattr(synID(a:lnum, 1, 1), 'name')
-  let prev_line_syntax_group = synIDattr(synID(a:lnum - 1, 1, 1), 'name')
-  if match(currentline, '^\s\{4,}') >= 0
-    if current_line_syntax_group ==# 'markdownCodeBlock'
-      if prev_line_syntax_group !=# 'markdownCodeBlock'
-        return 'a1'
-      endif
-      if next_line_syntax_group !=# 'markdownCodeBlock'
-        return 's1'
-      endif
-    endif
-    return '='
-  endif
-
-  " folding setex headers
-  if (match(currentline, '^.*$') >= 0)
-    if (match(nextline, '^=\+$') >= 0)
-      return '>1'
-    endif
-    if (match(nextline, '^-\+$') >= 0)
-      return '>2'
-    endif
-  endif
-
-  return '='
-endfunction
-
-function! s:SyntaxGroupOfLineIs(lnum, pattern)
-  let stack = synstack(a:lnum, a:cnum)
-  if len(stack) > 0
-    return synIDattr(stack[0], 'name') =~# a:pattern
-  endif
-  return 0
-endfunction
-
-" }}}
-
-" {{{ EDIT
-
-function! markdown#EditBlock() range abort
-  if exists('b:markdown_temporary_buffer') && b:markdown_temporary_buffer
-    echo 'Sorry, you cannot edit a code block inside a temporary buffer'
-    return
-  endif
-  " Github fenced code blocks like ```ruby
-  let code_block = s:LocateFencedCodeBlock(a:firstline,
-    \ '^\s*`\{3,}\(\w\+\)\%(\s.*$\|$\)',
-    \ '^\s*`\{3,}\s*$'
-    \ )
-  if code_block['from'] == 0 || code_block['to'] == 0
-    " Github fenced code blocks with metadata like ```{ruby, <WHATEVER>}
-    let code_block = s:LocateFencedCodeBlock(a:firstline,
-      \ '^\s*`\{3,}{\(\w\+\),[^}]\+}\%(\s.*$\|$\)',
-      \ '^\s*`\{3,}\s*$'
-      \ )
-  endif
-  if code_block['from'] == 0 || code_block['to'] == 0
-    " Github fenced code blocks alternate style like ~~~ruby
-    let code_block = s:LocateFencedCodeBlock(a:firstline,
-      \ '^\s*\~\{3,}\(\w\+\)\%(\s.*$\|$\)',
-      \ '^\s*\~\{3,}\s*$'
-      \ )
-  endif
-  if code_block['from'] == 0 || code_block['to'] == 0
-    " Liquid fenced code blocks {% highlight ruby %}
-    " (since we support some liquid/jekyll tags, why not?)
-    let code_block = s:LocateFencedCodeBlock(a:firstline,
-      \ '^\s*{%\s*highlight\s\+\(\w\+\)\s*%}\%(\s.*$\|$\)',
-      \ '^\s*{%\s*endhighlight\s*%}\%(\s.*$\|$\)'
-      \ )
-  endif
-  if code_block['from'] == 0 || code_block['to'] == 0
-    let code_block = s:LocateRangeBlock(a:firstline, a:lastline)
-  endif
-  if code_block['from'] == 0 || code_block['to'] == 0
-    echo 'Sorry, I did not find any suitable code block to edit or create'
-    return
-  endif
-
-  let code_block['file_extension'] = '.' . code_block['language']
-  if has_key(s:known_file_extensions, code_block['language'])
-    let code_block['file_extension'] = s:known_file_extensions[code_block['language']]
-  endif
-  let code_block['file_path'] = tempname() . code_block['file_extension']
-  let code_block['content'] = getline(code_block['from'], code_block['to'])
-  let code_block['content'] = s:UnindentBlock(code_block['content'], code_block['indentation'])
-
-  call writefile(code_block['content'], code_block['file_path'])
-  augroup MarkdownReplaceEditedBlock
-    autocmd BufEnter <buffer> call s:ReplaceEditedBlock()
-  augroup END
-
-  let b:code_block = code_block
-  execute 'split ' . code_block['file_path']
-  let b:markdown_temporary_buffer = 1
-  autocmd BufLeave <buffer> wq
-endfunction
-
-function! s:ReplaceEditedBlock()
-  augroup MarkdownReplaceEditedBlock
-    autocmd!
-  augroup END
-  augroup! MarkdownReplaceEditedBlock
-
-  if b:code_block['to'] - b:code_block['from'] >= 0
-    execute b:code_block['from'] . ',' b:code_block['to'] . ' delete _'
-  endif
-  let content = readfile(b:code_block['file_path'])
-  let content = s:IndentBlock(l:content, b:code_block['indentation'])
-  let content = s:SurroundWithFencedCodeBlock(l:content, b:code_block)
-  call append(b:code_block['from']-1, content)
-  call setpos('.', b:code_block['back_to_position'])
-
-  execute 'silent bwipeout! ' . b:code_block['file_path']
-  call delete(b:code_block['file_path'])
-  unlet! b:code_block
-endfunction
-
-function! s:UnindentBlock(content, indentation)
-  return map(a:content, 'substitute(v:val, ''^' . a:indentation . ''', '''', ''g'')')
-endfunction
-
-function! s:IndentBlock(content, indentation)
-  return map(a:content, 'substitute(v:val, ''^'', ''' . a:indentation . ''', ''g'')')
-endfunction
-
-function! s:SurroundWithFencedCodeBlock(code, editing)
-  if !a:editing['surround'] | return a:code | endif
-  if a:editing['language'] =~# 'markdown' | return a:code | endif
-  let before =
-    \ (a:editing['make_room_before'] ? [''] : []) +
-    \ [a:editing['indentation'] . '```' . a:editing['language']]
-  let after =
-    \ [a:editing['indentation'] . '```'] +
-    \ (a:editing['make_room_after'] ? [''] : [])
-  return l:before + a:code + l:after
-endfunction
-
-function! s:LocateRangeBlock(from, to)
-  " TODO: extract initialize_code_block
-  let code_block = {'from': 0, 'to': 0, 'language': 'txt', 'indentation': '', 'surround': 0}
-  if a:to >= a:from
-    let code_block['from'] = a:from
-    let code_block['to'] = a:to
-    let code_block['back_to_position'] = getpos('.')
-    let code_block['language'] = 'markdown'
-
-    if a:from == a:to && getline(a:from) =~ '^\s*$'
-      let code_block['surround'] = 1
-      let code_block['make_room_before'] = getline(a:from - 1) !~ '^\s*$'
-      let code_block['make_room_after'] = getline(a:to + 1) !~ '^\s*$'
-      let code_block['language'] = input('filetype? (default: markdown) ', '', 'filetype')
-      if code_block['language'] =~ '^\s*$'
-        let code_block['language'] = 'markdown'
-      endif
-    endif
-  endif
-  return code_block
-endfunction
-
-function! s:LocateFencedCodeBlock(starting_from, upper_delimiter, lower_delimiter)
-  " TODO: extract initialize_code_block
-  let code_block = {'from': 0, 'to': 0, 'language': 'txt', 'indentation': '', 'surround': 0}
-  let initial_position = getpos('.')
-  let search_position = copy(initial_position)
-  let search_position[1] = a:starting_from
-  let search_position[2] = 0
-  cal setpos('.', search_position)
-
-  let start_code_block_backward = search(a:upper_delimiter, 'cbnW')
-  let end_code_block_backward = search(a:lower_delimiter, 'cbnW')
-  let end_code_block_forward = search(a:lower_delimiter, 'cnW')
-
-  let found_code_block =
-        \ start_code_block_backward > 0 &&
-        \ end_code_block_forward > 0
-  let between_two_code_blocks =
-        \ start_code_block_backward < end_code_block_backward &&
-        \ end_code_block_backward <= a:starting_from
-  let starting_inside_code_block =
-        \ found_code_block &&
-        \ !between_two_code_blocks &&
-        \ start_code_block_backward <= a:starting_from &&
-        \ end_code_block_forward >= a:starting_from
-
-  if starting_inside_code_block
-    let code_block['language'] = s:ExtractLanguage(start_code_block_backward, a:upper_delimiter)
-    let code_block['indentation'] = s:ExtractIndentation(start_code_block_backward)
-    let code_block['back_to_position'] = initial_position
-    let code_block['back_to_position'][1] = start_code_block_backward
-    let code_block['back_to_position'][2] = 0
-    let code_block['from'] = start_code_block_backward + 1
-    let code_block['to'] = end_code_block_forward - 1
-  endif
-  return code_block
-endfunction
-
-function! s:ExtractLanguage(start_at, upper_delimiter)
-  return substitute(getline(a:start_at), a:upper_delimiter, '\1', '')
-endfunction
-
-function! s:ExtractIndentation(start_at)
-  return substitute(getline(a:start_at), '\(^\s*\).\+$', '\1', '')
-endfunction
-
-let s:known_file_extensions = {
-  \ 'abap': '.abap',
-  \ 'antlr': '.g4',
-  \ 'asp': '.asp',
-  \ 'ats': '.dats',
-  \ 'actionscript': '.as',
-  \ 'ada': '.adb',
-  \ 'agda': '.agda',
-  \ 'apacheconf': '.apacheconf',
-  \ 'apex': '.cls',
-  \ 'applescript': '.applescript',
-  \ 'arc': '.arc',
-  \ 'arduino': '.ino',
-  \ 'asciidoc': '.asciidoc',
-  \ 'assembly': '.asm',
-  \ 'augeas': '.aug',
-  \ 'autohotkey': '.ahk',
-  \ 'autoit': '.au3',
-  \ 'awk': '.awk',
-  \ 'batchfile': '.bat',
-  \ 'befunge': '.befunge',
-  \ 'blitzbasic': '.bb',
-  \ 'blitzmax': '.bmx',
-  \ 'bluespec': '.bsv',
-  \ 'boo': '.boo',
-  \ 'brainfuck': '.b',
-  \ 'brightscript': '.brs',
-  \ 'bro': '.bro',
-  \ 'c': '.c',
-  \ 'c++': '.cpp',
-  \ 'cpp': '.cpp',
-  \ 'clips': '.clp',
-  \ 'cmake': '.cmake',
-  \ 'cobol': '.cob',
-  \ 'css': '.css',
-  \ 'ceylon': '.ceylon',
-  \ 'chuck': '.ck',
-  \ 'cirru': '.cirru',
-  \ 'clean': '.icl',
-  \ 'clojure': '.clj',
-  \ 'coffeescript': '.coffee',
-  \ 'coldfusion': '.cfm',
-  \ 'coq': '.coq',
-  \ 'creole': '.creole',
-  \ 'crystal': '.cr',
-  \ 'cucumber': '.feature',
-  \ 'cuda': '.cu',
-  \ 'cython': '.pyx',
-  \ 'd': '.d',
-  \ 'dm': '.dm',
-  \ 'dot': '.dot',
-  \ 'dart': '.dart',
-  \ 'diff': '.diff',
-  \ 'dylan': '.dylan',
-  \ 'ecl': '.ecl',
-  \ 'eiffel': '.e',
-  \ 'elixir': '.ex',
-  \ 'elm': '.elm',
-  \ 'erlang': '.erl',
-  \ 'flux': '.fx',
-  \ 'fortran': '.f90',
-  \ 'factor': '.factor',
-  \ 'fancy': '.fy',
-  \ 'fantom': '.fan',
-  \ 'forth': '.fth',
-  \ 'gas': '.s',
-  \ 'glsl': '.glsl',
-  \ 'genshi': '.kid',
-  \ 'glyph': '.glf',
-  \ 'go': '.go',
-  \ 'gosu': '.gs',
-  \ 'groff': '.man',
-  \ 'groovy': '.groovy',
-  \ 'html': '.html',
-  \ 'http': '.http',
-  \ 'haml': '.haml',
-  \ 'handlebars': '.handlebars',
-  \ 'harbour': '.hb',
-  \ 'haskell': '.hs',
-  \ 'haxe': '.hx',
-  \ 'hy': '.hy',
-  \ 'idl': '.pro',
-  \ 'ini': '.ini',
-  \ 'idris': '.idr',
-  \ 'io': '.io',
-  \ 'ioke': '.ik',
-  \ 'j': '.ijs',
-  \ 'json': '.json',
-  \ 'json5': '.json5',
-  \ 'jsonld': '.jsonld',
-  \ 'jade': '.jade',
-  \ 'java': '.java',
-  \ 'javascript': '.js',
-  \ 'julia': '.jl',
-  \ 'krl': '.krl',
-  \ 'kotlin': '.kt',
-  \ 'lfe': '.lfe',
-  \ 'llvm': '.ll',
-  \ 'lasso': '.lasso',
-  \ 'less': '.less',
-  \ 'lilypond': '.ly',
-  \ 'livescript': '.ls',
-  \ 'logos': '.xm',
-  \ 'logtalk': '.lgt',
-  \ 'lua': '.lua',
-  \ 'm': '.mumps',
-  \ 'makefile': '.mak',
-  \ 'mako': '.mako',
-  \ 'markdown': '.md',
-  \ 'mask': '.mask',
-  \ 'matlab': '.matlab',
-  \ 'max': '.maxpat',
-  \ 'mediawiki': '.mediawiki',
-  \ 'mirah': '.druby',
-  \ 'monkey': '.monkey',
-  \ 'moocode': '.moo',
-  \ 'moonscript': '.moon',
-  \ 'myghty': '.myt',
-  \ 'nsis': '.nsi',
-  \ 'nemerle': '.n',
-  \ 'netlogo': '.nlogo',
-  \ 'nginx': '.nginxconf',
-  \ 'nimrod': '.nim',
-  \ 'nu': '.nu',
-  \ 'numpy': '.numpy',
-  \ 'ocaml': '.ml',
-  \ 'objdump': '.objdump',
-  \ 'omgrofl': '.omgrofl',
-  \ 'opa': '.opa',
-  \ 'opencl': '.cl',
-  \ 'org': '.org',
-  \ 'oxygene': '.oxygene',
-  \ 'pawn': '.pwn',
-  \ 'php': '.php',
-  \ 'parrot': '.parrot',
-  \ 'pascal': '.pas',
-  \ 'perl': '.pl',
-  \ 'perl6': '.p6',
-  \ 'pike': '.pike',
-  \ 'pod': '.pod',
-  \ 'pogoscript': '.pogo',
-  \ 'postscript': '.ps',
-  \ 'powershell': '.ps1',
-  \ 'processing': '.pde',
-  \ 'prolog': '.prolog',
-  \ 'puppet': '.pp',
-  \ 'python': '.py',
-  \ 'qml': '.qml',
-  \ 'r': '.r',
-  \ 'rdoc': '.rdoc',
-  \ 'realbasic': '.rbbas',
-  \ 'rhtml': '.rhtml',
-  \ 'rmarkdown': '.rmd',
-  \ 'racket': '.rkt',
-  \ 'rebol': '.rebol',
-  \ 'redcode': '.cw',
-  \ 'robotframework': '.robot',
-  \ 'rouge': '.rg',
-  \ 'ruby': '.rb',
-  \ 'rust': '.rs',
-  \ 'scss': '.scss',
-  \ 'sql': '.sql',
-  \ 'sage': '.sage',
-  \ 'sass': '.sass',
-  \ 'scala': '.scala',
-  \ 'scaml': '.scaml',
-  \ 'scheme': '.scm',
-  \ 'scilab': '.sci',
-  \ 'self': '.self',
-  \ 'shell': '.sh',
-  \ 'shen': '.shen',
-  \ 'slash': '.sl',
-  \ 'smalltalk': '.st',
-  \ 'smarty': '.tpl',
-  \ 'squirrel': '.nut',
-  \ 'stylus': '.styl',
-  \ 'supercollider': '.scd',
-  \ 'toml': '.toml',
-  \ 'txl': '.txl',
-  \ 'tcl': '.tcl',
-  \ 'tcsh': '.tcsh',
-  \ 'tex': '.tex',
-  \ 'tea': '.tea',
-  \ 'textile': '.textile',
-  \ 'turing': '.t',
-  \ 'twig': '.twig',
-  \ 'typescript': '.ts',
-  \ 'unrealscript': '.uc',
-  \ 'vhdl': '.vhdl',
-  \ 'vala': '.vala',
-  \ 'verilog': '.v',
-  \ 'viml': '.vim',
-  \ 'volt': '.volt',
-  \ 'xc': '.xc',
-  \ 'xml': '.xml',
-  \ 'xproc': '.xpl',
-  \ 'xquery': '.xquery',
-  \ 'xs': '.xs',
-  \ 'xslt': '.xslt',
-  \ 'xtend': '.xtend',
-  \ 'yaml': '.yml',
-  \ 'ec': '.ec',
-  \ 'edn': '.edn',
-  \ 'fish': '.fish',
-  \ 'mupad': '.mu',
-  \ 'nesc': '.nc',
-  \ 'ooc': '.ooc',
-  \ 'restructuredtext': '.rst',
-  \ 'wisp': '.wisp',
-  \ 'xbase': '.prg',
-\ }
-
-" }}}
-
-" {{{ FORMAT
-function! markdown#FormatTable()
-  let p = '^\s*|\s.*\s|\s*$'
-  if exists(':Tabularize') && getline('.') =~# '^\s*|' && (getline(line('.')-1) =~# p || getline(line('.')+1) =~# p)
-    let column = strlen(substitute(getline('.')[0:col('.')],'[^|]','','g'))
-    let position = strlen(matchstr(getline('.')[0:col('.')],'.*|\s*\zs.*'))
-    let separator_line_number = search('^\s*|\s*-\{3,}', 'cbnW')
-
-    call s:ShrinkTableHeaderSeparator(separator_line_number)
-    Tabularize/|/l1
-    call s:ExpandTableHeaderSeparator(separator_line_number)
-    normal! 0
-
-    call search(repeat('[^|]*|',column).'\s\{-\}'.repeat('.',position),'ce',line('.'))
-  endif
-endfunction
-
-function! s:ShrinkTableHeaderSeparator(separator_line_number)
-  if a:separator_line_number > 0
-    let separator_line = getline(a:separator_line_number)
-    let separator_line = substitute(separator_line, '-\+', '---', 'g')
-    call setline(a:separator_line_number, separator_line)
-  endif
-endfunction
-
-function! s:ExpandTableHeaderSeparator(separator_line_number)
-  if a:separator_line_number > 0
-    let separator_line = getline(a:separator_line_number)
-    let separator_line = substitute(
-      \ separator_line,
-      \ '|\([^|]*\)',
-      \ '\="| " . repeat("-", strlen(submatch(1)) - 2) . " "',
-      \ 'g')
-    let separator_line = substitute(separator_line, '\s*$', '', '')
-    call setline(a:separator_line_number, separator_line)
-  endif
-endfunction
-" }}}
-
-" {{{ SWITCH STATUS
-function! markdown#SwitchStatus()
-  let current_line = getline('.')
-  if match(current_line, '^\s*[*\-+] \[ \]') >= 0
-    call setline('.', substitute(current_line, '^\(\s*[*\-+]\) \[ \]', '\1 [x]', ''))
-    return
-  endif
-  if match(current_line, '^\s*[*\-+] \[x\]') >= 0
-    call setline('.', substitute(current_line, '^\(\s*[*\-+]\) \[x\]', '\1', ''))
-    return
-  endif
-  if match(current_line, '^\s*[*\-+] \(\[[x ]\]\)\@!') >= 0
-    call setline('.', substitute(current_line, '^\(\s*[*\-+]\)', '\1 [ ]', ''))
-    return
-  endif
-  if match(current_line, '^\s*#\{1,5}\s') >= 0
-    call setline('.', substitute(current_line, '^\(\s*#\{1,5}\) \(.*$\)', '\1# \2', ''))
-    return
-  endif
-  if match(current_line, '^\s*#\{6}\s') >= 0
-    call setline('.', substitute(current_line, '^\(\s*\)#\{6} \(.*$\)', '\1# \2', ''))
-    return
-  endif
-endfunction
-" }}}
-
-endif
diff --git a/build b/build
index 67ad3c50..7e4b5221 100755
--- a/build
+++ b/build
@@ -233,7 +233,7 @@ PACKS="
   log:MTDL9/vim-log-highlighting
   lua:tbastos/vim-lua
   mako:sophacles/vim-bundle-mako
-  markdown:gabrielelana/vim-markdown
+  markdown:plasticboy/vim-markdown
   mathematica:voldikss/vim-mma
   mdx:jxnblk/vim-mdx-js
   meson:mesonbuild/meson:_ALL:/data/syntax-highlighting/vim/
diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index e2452071..cd389fdd 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -816,8 +816,15 @@ endif
 
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
   augroup filetypedetect
-  " markdown, from markdown.vim in gabrielelana/vim-markdown
-au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} set filetype=markdown
+  " markdown, from markdown.vim in plasticboy/vim-markdown
+if !has('patch-7.4.480')
+    " Before this patch, vim used modula2 for .md.
+    au! filetypedetect BufRead,BufNewFile *.md
+endif
+
+" markdown filetype file
+au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} setfiletype markdown
+au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn}.{des3,des,bf,bfa,aes,idea,cast,rc2,rc4,rc5,desx} setfiletype markdown
   augroup end
 endif
 
diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 8d327f61..43c9773a 100644
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -1,202 +1,795 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
 
-if exists('b:did_ftplugin') | finish | endif
-
-" {{{ CONFIGURATION
-
-if !exists('g:markdown_flavor')
-  let g:markdown_flavor = 'github'
-endif
-
-if !exists('g:markdown_enable_folding')
-  let g:markdown_enable_folding = 0
-endif
-
-if !exists('g:markdown_enable_mappings')
-  " make it compatible with previous configuration value
-  if exists('g:markdown_include_default_mappings')
-    let g:markdown_enable_mappings = g:markdown_include_default_mappings
-  else
-    let g:markdown_enable_mappings = 1
-  endif
-endif
-
-if !exists('g:markdown_enable_insert_mode_mappings')
-  " make it compatible with previous configuration value
-  if exists('g:markdown_include_insert_mode_default_mappings')
-    let g:markdown_enable_insert_mode_mappings = g:markdown_include_insert_mode_default_mappings
-  else
-    let g:markdown_enable_insert_mode_mappings = 1
-  endif
-endif
+"TODO print messages when on visual mode. I only see VISUAL, not the messages.
+
+" Function interface phylosophy:
+"
+" - functions take arbitrary line numbers as parameters.
+"    Current cursor line is only a suitable default parameter.
+"
+" - only functions that bind directly to user actions:
+"
+"    - print error messages.
+"       All intermediate functions limit themselves return `0` to indicate an error.
+"
+"    - move the cursor. All other functions do not move the cursor.
+"
+" This is how you should view headers for the header mappings:
+"
+"   |BUFFER
+"   |
+"   |Outside any header
+"   |
+" a-+# a
+"   |
+"   |Inside a
+"   |
+" a-+
+" b-+## b
+"   |
+"   |inside b
+"   |
+" b-+
+" c-+### c
+"   |
+"   |Inside c
+"   |
+" c-+
+" d-|# d
+"   |
+"   |Inside d
+"   |
+" d-+
+" e-|e
+"   |====
+"   |
+"   |Inside e
+"   |
+" e-+
+
+" For each level, contains the regexp that matches at that level only.
+"
+let s:levelRegexpDict = {
+    \ 1: '\v^(#[^#]@=|.+\n\=+$)',
+    \ 2: '\v^(##[^#]@=|.+\n-+$)',
+    \ 3: '\v^###[^#]@=',
+    \ 4: '\v^####[^#]@=',
+    \ 5: '\v^#####[^#]@=',
+    \ 6: '\v^######[^#]@='
+\ }
+
+" Maches any header level of any type.
+"
+" This could be deduced from `s:levelRegexpDict`, but it is more
+" efficient to have a single regexp for this.
+"
+let s:headersRegexp = '\v^(#|.+\n(\=+|-+)$)'
+
+" Returns the line number of the first header before `line`, called the
+" current header.
+"
+" If there is no current header, return `0`.
+"
+" @param a:1 The line to look the header of. Default value: `getpos('.')`.
+"
+function! s:GetHeaderLineNum(...)
+    if a:0 == 0
+        let l:l = line('.')
+    else
+        let l:l = a:1
+    endif
+    while(l:l > 0)
+        if join(getline(l:l, l:l + 1), "\n") =~ s:headersRegexp
+            return l:l
+        endif
+        let l:l -= 1
+    endwhile
+    return 0
+endfunction
 
-if !exists('g:markdown_enable_insert_mode_leader_mappings')
-    let g:markdown_enable_insert_mode_leader_mappings = 0
-endif
+" -  if inside a header goes to it.
+"    Return its line number.
+"
+" -  if on top level outside any headers,
+"    print a warning
+"    Return `0`.
+"
+function! s:MoveToCurHeader()
+    let l:lineNum = s:GetHeaderLineNum()
+    if l:lineNum != 0
+        call cursor(l:lineNum, 1)
+    else
+        echo 'outside any header'
+        "normal! gg
+    endif
+    return l:lineNum
+endfunction
 
-if !exists('g:markdown_drop_empty_blockquotes')
-    let g:markdown_drop_empty_blockquotes = 0
-endif
+" Move cursor to next header of any level.
+"
+" If there are no more headers, print a warning.
+"
+function! s:MoveToNextHeader()
+    if search(s:headersRegexp, 'W') == 0
+        "normal! G
+        echo 'no next header'
+    endif
+endfunction
 
-if !exists('g:markdown_mapping_switch_status')
-  let g:markdown_mapping_switch_status = '<space>'
-endif
+" Move cursor to previous header (before current) of any level.
+"
+" If it does not exist, print a warning.
+"
+function! s:MoveToPreviousHeader()
+    let l:curHeaderLineNumber = s:GetHeaderLineNum()
+    let l:noPreviousHeader = 0
+    if l:curHeaderLineNumber <= 1
+        let l:noPreviousHeader = 1
+    else
+        let l:previousHeaderLineNumber = s:GetHeaderLineNum(l:curHeaderLineNumber - 1)
+        if l:previousHeaderLineNumber == 0
+            let l:noPreviousHeader = 1
+        else
+            call cursor(l:previousHeaderLineNumber, 1)
+        endif
+    endif
+    if l:noPreviousHeader
+        echo 'no previous header'
+    endif
+endfunction
 
-if !exists('g:markdown_enable_spell_checking')
-  let g:markdown_enable_spell_checking = 1
-endif
+" - if line is inside a header, return the header level (h1 -> 1, h2 -> 2, etc.).
+"
+" - if line is at top level outside any headers, return `0`.
+"
+function! s:GetHeaderLevel(...)
+    if a:0 == 0
+        let l:line = line('.')
+    else
+        let l:line = a:1
+    endif
+    let l:linenum = s:GetHeaderLineNum(l:line)
+    if l:linenum != 0
+        return s:GetLevelOfHeaderAtLine(l:linenum)
+    else
+        return 0
+    endif
+endfunction
 
-if !exists('g:markdown_enable_input_abbreviations')
-  let g:markdown_enable_input_abbreviations = 1
-endif
+" Returns the level of the header at the given line.
+"
+" If there is no header at the given line, returns `0`.
+"
+function! s:GetLevelOfHeaderAtLine(linenum)
+    let l:lines = join(getline(a:linenum, a:linenum + 1), "\n")
+    for l:key in keys(s:levelRegexpDict)
+        if l:lines =~ get(s:levelRegexpDict, l:key)
+            return l:key
+        endif
+    endfor
+    return 0
+endfunction
 
-" }}}
+" Move cursor to parent header of the current header.
+"
+" If it does not exit, print a warning and do nothing.
+"
+function! s:MoveToParentHeader()
+    let l:linenum = s:GetParentHeaderLineNumber()
+    if l:linenum != 0
+        call cursor(l:linenum, 1)
+    else
+        echo 'no parent header'
+    endif
+endfunction
 
+" Return the line number of the parent header of line `line`.
+"
+" If it has no parent, return `0`.
+"
+function! s:GetParentHeaderLineNumber(...)
+    if a:0 == 0
+        let l:line = line('.')
+    else
+        let l:line = a:1
+    endif
+    let l:level = s:GetHeaderLevel(l:line)
+    if l:level > 1
+        let l:linenum = s:GetPreviousHeaderLineNumberAtLevel(l:level - 1, l:line)
+        return l:linenum
+    endif
+    return 0
+endfunction
 
-" {{{ OPTIONS
+" Return the line number of the previous header of given level.
+" in relation to line `a:1`. If not given, `a:1 = getline()`
+"
+" `a:1` line is included, and this may return the current header.
+"
+" If none return 0.
+"
+function! s:GetNextHeaderLineNumberAtLevel(level, ...)
+    if a:0 < 1
+        let l:line = line('.')
+    else
+        let l:line = a:1
+    endif
+    let l:l = l:line
+    while(l:l <= line('$'))
+        if join(getline(l:l, l:l + 1), "\n") =~ get(s:levelRegexpDict, a:level)
+            return l:l
+        endif
+        let l:l += 1
+    endwhile
+    return 0
+endfunction
 
-setlocal textwidth=0
-setlocal ts=2 sw=2 expandtab smarttab
-setlocal comments=b:*,b:-,b:+,n:>,se:``` commentstring=>\ %s
-setlocal formatoptions=tron
-setlocal formatlistpat=^\\s*\\d\\+\\.\\s\\+\\\\|^\\s*[+-\\*]\\s\\+
-setlocal nolisp
-setlocal autoindent
+" Return the line number of the previous header of given level.
+" in relation to line `a:1`. If not given, `a:1 = getline()`
+"
+" `a:1` line is included, and this may return the current header.
+"
+" If none return 0.
+"
+function! s:GetPreviousHeaderLineNumberAtLevel(level, ...)
+    if a:0 == 0
+        let l:line = line('.')
+    else
+        let l:line = a:1
+    endif
+    let l:l = l:line
+    while(l:l > 0)
+        if join(getline(l:l, l:l + 1), "\n") =~ get(s:levelRegexpDict, a:level)
+            return l:l
+        endif
+        let l:l -= 1
+    endwhile
+    return 0
+endfunction
 
-" Enable spelling and completion based on dictionary words
-if &spelllang !~# '^\s*$' && g:markdown_enable_spell_checking
-  setlocal spell
-endif
+" Move cursor to next sibling header.
+"
+" If there is no next siblings, print a warning and don't move.
+"
+function! s:MoveToNextSiblingHeader()
+    let l:curHeaderLineNumber = s:GetHeaderLineNum()
+    let l:curHeaderLevel = s:GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
+    let l:curHeaderParentLineNumber = s:GetParentHeaderLineNumber()
+    let l:nextHeaderSameLevelLineNumber = s:GetNextHeaderLineNumberAtLevel(l:curHeaderLevel, l:curHeaderLineNumber + 1)
+    let l:noNextSibling = 0
+    if l:nextHeaderSameLevelLineNumber == 0
+        let l:noNextSibling = 1
+    else
+        let l:nextHeaderSameLevelParentLineNumber = s:GetParentHeaderLineNumber(l:nextHeaderSameLevelLineNumber)
+        if l:curHeaderParentLineNumber == l:nextHeaderSameLevelParentLineNumber
+            call cursor(l:nextHeaderSameLevelLineNumber, 1)
+        else
+            let l:noNextSibling = 1
+        endif
+    endif
+    if l:noNextSibling
+        echo 'no next sibling header'
+    endif
+endfunction
 
-" Custom dictionary for emoji
-execute 'setlocal dictionary+=' . shellescape(expand('<sfile>:p:h:h')) . '/dict/emoticons.dict'
-setlocal iskeyword+=:,+,-
-setlocal complete+=k
-
-if g:markdown_enable_input_abbreviations
-  " Replace common ascii emoticons with supported emoji
-  iabbrev <buffer> :-) :smile:
-  iabbrev <buffer> :-D :laughing:
-  iabbrev <buffer> :-( :disappointed:
-
-  " Replace common punctuation
-  iabbrev <buffer> ... …
-  iabbrev <buffer> << «
-  iabbrev <buffer> >> »
-endif
+" Move cursor to previous sibling header.
+"
+" If there is no previous siblings, print a warning and do nothing.
+"
+function! s:MoveToPreviousSiblingHeader()
+    let l:curHeaderLineNumber = s:GetHeaderLineNum()
+    let l:curHeaderLevel = s:GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
+    let l:curHeaderParentLineNumber = s:GetParentHeaderLineNumber()
+    let l:previousHeaderSameLevelLineNumber = s:GetPreviousHeaderLineNumberAtLevel(l:curHeaderLevel, l:curHeaderLineNumber - 1)
+    let l:noPreviousSibling = 0
+    if l:previousHeaderSameLevelLineNumber == 0
+        let l:noPreviousSibling = 1
+    else
+        let l:previousHeaderSameLevelParentLineNumber = s:GetParentHeaderLineNumber(l:previousHeaderSameLevelLineNumber)
+        if l:curHeaderParentLineNumber == l:previousHeaderSameLevelParentLineNumber
+            call cursor(l:previousHeaderSameLevelLineNumber, 1)
+        else
+            let l:noPreviousSibling = 1
+        endif
+    endif
+    if l:noPreviousSibling
+        echo 'no previous sibling header'
+    endif
+endfunction
 
-" Folding
-if g:markdown_enable_folding
-  setlocal foldmethod=expr
-  setlocal foldexpr=markdown#FoldLevelOfLine(v:lnum)
-endif
+function! s:Toc(...)
+    if a:0 > 0
+        let l:window_type = a:1
+    else
+        let l:window_type = 'vertical'
+    endif
 
-" }}}
 
+    let l:bufnr = bufnr('%')
+    let l:cursor_line = line('.')
+    let l:cursor_header = 0
+    let l:fenced_block = 0
+    let l:front_matter = 0
+    let l:header_list = []
+    let l:header_max_len = 0
+    let l:vim_markdown_toc_autofit = get(g:, "vim_markdown_toc_autofit", 0)
+    let l:vim_markdown_frontmatter = get(g:, "vim_markdown_frontmatter", 0)
+    for i in range(1, line('$'))
+        let l:lineraw = getline(i)
+        let l:l1 = getline(i+1)
+        let l:line = substitute(l:lineraw, "#", "\\\#", "g")
+        if l:line =~ '````*' || l:line =~ '\~\~\~\~*'
+            if l:fenced_block == 0
+                let l:fenced_block = 1
+            elseif l:fenced_block == 1
+                let l:fenced_block = 0
+            endif
+        elseif l:vim_markdown_frontmatter == 1
+            if l:front_matter == 1
+                if l:line == '---'
+                    let l:front_matter = 0
+                endif
+            elseif i == 1
+                if l:line == '---'
+                    let l:front_matter = 1
+                endif
+            endif
+        endif
+        if l:line =~ '^#\+' || (l:l1 =~ '^=\+\s*$' || l:l1 =~ '^-\+\s*$') && l:line =~ '^\S'
+            let l:is_header = 1
+        else
+            let l:is_header = 0
+        endif
+        if l:is_header == 1 && l:fenced_block == 0 && l:front_matter == 0
+            " append line to location list
+            let l:item = {'lnum': i, 'text': l:line, 'valid': 1, 'bufnr': l:bufnr, 'col': 1}
+            let l:header_list = l:header_list + [l:item]
+            " set header number of the cursor position
+            if l:cursor_header == 0
+                if i == l:cursor_line
+                    let l:cursor_header = len(l:header_list)
+                elseif i > l:cursor_line
+                    let l:cursor_header = len(l:header_list) - 1
+                endif
+            endif
+            " keep track of the longest header size (heading level + title)
+            let l:total_len = stridx(l:line, ' ') + strdisplaywidth(l:line)
+            if l:total_len > l:header_max_len
+                let l:header_max_len = l:total_len
+            endif
+        endif
+    endfor
+    call setloclist(0, l:header_list)
+    if len(l:header_list) == 0
+        echom "Toc: No headers."
+        return
+    endif
 
-" {{{ FUNCTIONS
+    if l:window_type ==# 'horizontal'
+        lopen
+    elseif l:window_type ==# 'vertical'
+        vertical lopen
+        " auto-fit toc window when possible to shrink it
+        if (&columns/2) > l:header_max_len && l:vim_markdown_toc_autofit == 1
+            execute 'vertical resize ' . (l:header_max_len + 1)
+        else
+            execute 'vertical resize ' . (&columns/2)
+        endif
+    elseif l:window_type ==# 'tab'
+        tab lopen
+    else
+        lopen
+    endif
+    setlocal modifiable
+    for i in range(1, line('$'))
+        " this is the location-list data for the current item
+        let d = getloclist(0)[i-1]
+        " atx headers
+        if match(d.text, "^#") > -1
+            let l:level = len(matchstr(d.text, '#*', 'g'))-1
+            let d.text = substitute(d.text, '\v^#*[ ]*', '', '')
+            let d.text = substitute(d.text, '\v[ ]*#*$', '', '')
+        " setex headers
+        else
+            let l:next_line = getbufline(d.bufnr, d.lnum+1)
+            if match(l:next_line, "=") > -1
+                let l:level = 0
+            elseif match(l:next_line, "-") > -1
+                let l:level = 1
+            endif
+        endif
+        call setline(i, repeat('  ', l:level). d.text)
+    endfor
+    setlocal nomodified
+    setlocal nomodifiable
+    execute 'normal! ' . l:cursor_header . 'G'
+endfunction
 
-function! s:JumpToHeader(forward, visual)
-  let cnt = v:count1
-  let save = @/
-  let pattern = '\v^#{1,6}.*$|^.+\n%(\-+|\=+)$'
-  if a:visual
-    normal! gv
-  endif
-  if a:forward
-    let motion = '/' . pattern
-  else
-    let motion = '?' . pattern
-  endif
-  while cnt > 0
-	  silent! execute motion
-	  let cnt = cnt - 1
-  endwhile
-  call histdel('/', -1)
-  let @/ = save
+" Convert Setex headers in range `line1 .. line2` to Atx.
+"
+" Return the number of conversions.
+"
+function! s:SetexToAtx(line1, line2)
+    let l:originalNumLines = line('$')
+    execute 'silent! ' . a:line1 . ',' . a:line2 . 'substitute/\v(.*\S.*)\n\=+$/# \1/'
+    execute 'silent! ' . a:line1 . ',' . a:line2 . 'substitute/\v(.*\S.*)\n-+$/## \1/'
+    return l:originalNumLines - line('$')
 endfunction
 
-function! s:Indent(indent)
-  if getline('.') =~ '\v^\s*%([-*+]|\d\.)\s*$'
-    if a:indent
-      normal >>
+" If `a:1` is 0, decrease the level of all headers in range `line1 .. line2`.
+"
+" Otherwise, increase the level. `a:1` defaults to `0`.
+"
+function! s:HeaderDecrease(line1, line2, ...)
+    if a:0 > 0
+        let l:increase = a:1
     else
-      normal <<
+        let l:increase = 0
     endif
-    call setline('.', substitute(getline('.'), '\([-*+]\|\d\.\)\s*$', '\1 ', ''))
-    normal $
-  elseif getline('.') =~ '\v^\s*(\s?\>)+\s*$'
-    if a:indent
-      call setline('.', substitute(getline('.'), '>\s*$', '>> ', ''))
+    if l:increase
+        let l:forbiddenLevel = 6
+        let l:replaceLevels = [5, 1]
+        let l:levelDelta = 1
     else
-      call setline('.', substitute(getline('.'), '\s*>\s*$', ' ', ''))
-      call setline('.', substitute(getline('.'), '^\s\+$', '', ''))
+        let l:forbiddenLevel = 1
+        let l:replaceLevels = [2, 6]
+        let l:levelDelta = -1
     endif
-    normal $
-  endif
+    for l:line in range(a:line1, a:line2)
+        if join(getline(l:line, l:line + 1), "\n") =~ s:levelRegexpDict[l:forbiddenLevel]
+            echomsg 'There is an h' . l:forbiddenLevel . ' at line ' . l:line . '. Aborting.'
+            return
+        endif
+    endfor
+    let l:numSubstitutions = s:SetexToAtx(a:line1, a:line2)
+    let l:flags = (&gdefault ? '' : 'g')
+    for l:level in range(replaceLevels[0], replaceLevels[1], -l:levelDelta)
+        execute 'silent! ' . a:line1 . ',' . (a:line2 - l:numSubstitutions) . 'substitute/' . s:levelRegexpDict[l:level] . '/' . repeat('#', l:level + l:levelDelta) . '/' . l:flags
+    endfor
+endfunction
+
+" Format table under cursor.
+"
+" Depends on Tabularize.
+"
+function! s:TableFormat()
+    let l:pos = getpos('.')
+    normal! {
+    " Search instead of `normal! j` because of the table at beginning of file edge case.
+    call search('|')
+    normal! j
+    " Remove everything that is not a pipe, colon or hyphen next to a colon othewise
+    " well formated tables would grow because of addition of 2 spaces on the separator
+    " line by Tabularize /|.
+    let l:flags = (&gdefault ? '' : 'g')
+    execute 's/\(:\@<!-:\@!\|[^|:-]\)//e' . l:flags
+    execute 's/--/-/e' . l:flags
+    Tabularize /|
+    " Move colons for alignment to left or right side of the cell.
+    execute 's/:\( \+\)|/\1:|/e' . l:flags
+    execute 's/|\( \+\):/|:\1/e' . l:flags
+    execute 's/ /-/' . l:flags
+    call setpos('.', l:pos)
 endfunction
 
-function! s:IsAnEmptyListItem()
-  return getline('.') =~ '\v^\s*%([-*+]|\d\.)\s*$'
+" Wrapper to do move commands in visual mode.
+"
+function! s:VisMove(f)
+    norm! gv
+    call function(a:f)()
 endfunction
 
-function! s:IsAnEmptyQuote()
-  return getline('.') =~ '\v^\s*(\s?\>)+\s*$'
+" Map in both normal and visual modes.
+"
+function! s:MapNormVis(rhs,lhs)
+    execute 'nn <buffer><silent> ' . a:rhs . ' :call ' . a:lhs . '()<cr>'
+    execute 'vn <buffer><silent> ' . a:rhs . ' <esc>:call <sid>VisMove(''' . a:lhs . ''')<cr>'
 endfunction
 
-" }}}
+" Parameters:
+"
+" - step +1 for right, -1 for left
+"
+" TODO: multiple lines.
+"
+function! s:FindCornerOfSyntax(lnum, col, step)
+    let l:col = a:col
+    let l:syn = synIDattr(synID(a:lnum, l:col, 1), 'name')
+    while synIDattr(synID(a:lnum, l:col, 1), 'name') ==# l:syn
+        let l:col += a:step
+    endwhile
+    return l:col - a:step
+endfunction
+
+" Return the next position of the given syntax name,
+" inclusive on the given position.
+"
+" TODO: multiple lines
+"
+function! s:FindNextSyntax(lnum, col, name)
+    let l:col = a:col
+    let l:step = 1
+    while synIDattr(synID(a:lnum, l:col, 1), 'name') !=# a:name
+        let l:col += l:step
+    endwhile
+    return [a:lnum, l:col]
+endfunction
 
+function! s:FindCornersOfSyntax(lnum, col)
+    return [<sid>FindLeftOfSyntax(a:lnum, a:col), <sid>FindRightOfSyntax(a:lnum, a:col)]
+endfunction
 
-" {{{ MAPPINGS
+function! s:FindRightOfSyntax(lnum, col)
+    return <sid>FindCornerOfSyntax(a:lnum, a:col, 1)
+endfunction
 
-" Commands
-command! -nargs=0 -range MarkdownEditBlock :<line1>,<line2>call markdown#EditBlock()
+function! s:FindLeftOfSyntax(lnum, col)
+    return <sid>FindCornerOfSyntax(a:lnum, a:col, -1)
+endfunction
 
-if g:markdown_enable_mappings
-  " Jumping around
-  noremap <silent> <buffer> <script> ]] :<C-u>call <SID>JumpToHeader(1, 0)<CR>
-  noremap <silent> <buffer> <script> [[ :<C-u>call <SID>JumpToHeader(0, 0)<CR>
-  vnoremap <silent> <buffer> <script> ]] :<C-u>call <SID>JumpToHeader(1, 1)<CR>
-  vnoremap <silent> <buffer> <script> [[ :<C-u>call <SID>JumpToHeader(0, 1)<CR>
-  noremap <silent> <buffer> <script> ][ <nop>
-  noremap <silent> <buffer> <script> [] <nop>
+" Returns:
+"
+" - a string with the the URL for the link under the cursor
+" - an empty string if the cursor is not on a link
+"
+" TODO
+"
+" - multiline support
+" - give an error if the separator does is not on a link
+"
+function! s:Markdown_GetUrlForPosition(lnum, col)
+    let l:lnum = a:lnum
+    let l:col = a:col
+    let l:syn = synIDattr(synID(l:lnum, l:col, 1), 'name')
+
+    if l:syn ==# 'mkdInlineURL' || l:syn ==# 'mkdURL' || l:syn ==# 'mkdLinkDefTarget'
+        " Do nothing.
+    elseif l:syn ==# 'mkdLink'
+        let [l:lnum, l:col] = <sid>FindNextSyntax(l:lnum, l:col, 'mkdURL')
+        let l:syn = 'mkdURL'
+    elseif l:syn ==# 'mkdDelimiter'
+        let l:line = getline(l:lnum)
+        let l:char = l:line[col - 1]
+        if l:char ==# '<'
+            let l:col += 1
+        elseif l:char ==# '>' || l:char ==# ')'
+            let l:col -= 1
+        elseif l:char ==# '[' || l:char ==# ']' || l:char ==# '('
+            let [l:lnum, l:col] = <sid>FindNextSyntax(l:lnum, l:col, 'mkdURL')
+        else
+            return ''
+        endif
+    else
+        return ''
+    endif
 
-  if g:markdown_enable_insert_mode_mappings
-    " Indenting things
-    inoremap <silent> <buffer> <script> <expr> <Tab>
-      \ <SID>IsAnEmptyListItem() \|\| <SID>IsAnEmptyQuote() ? '<C-O>:call <SID>Indent(1)<CR>' : '<Tab>'
-    inoremap <silent> <buffer> <script> <expr> <S-Tab>
-      \ <SID>IsAnEmptyListItem() \|\| <SID>IsAnEmptyQuote() ? '<C-O>:call <SID>Indent(0)<CR>' : '<Tab>'
+    let [l:left, l:right] = <sid>FindCornersOfSyntax(l:lnum, l:col)
+    return getline(l:lnum)[l:left - 1 : l:right - 1]
+endfunction
 
-    if g:markdown_drop_empty_blockquotes
-      " Remove empty quote and list items when press <CR>
-      inoremap <silent> <buffer> <script> <expr> <CR> <SID>IsAnEmptyQuote() \|\| <SID>IsAnEmptyListItem() ? '<C-O>:normal 0D<CR>' : '<CR>'
+" Front end for GetUrlForPosition.
+"
+function! s:OpenUrlUnderCursor()
+    let l:url = s:Markdown_GetUrlForPosition(line('.'), col('.'))
+    if l:url != ''
+        call s:VersionAwareNetrwBrowseX(l:url)
     else
-      " Remove only empty list items when press <CR>
-      inoremap <silent> <buffer> <script> <expr> <CR> <SID>IsAnEmptyListItem() ? '<C-O>:normal 0D<CR>' : '<CR>'
+        echomsg 'The cursor is not on a link.'
     endif
+endfunction
+
+" We need a definition guard because we invoke 'edit' which will reload this
+" script while this function is running. We must not replace it.
+if !exists('*s:EditUrlUnderCursor')
+    function s:EditUrlUnderCursor()
+        let l:url = s:Markdown_GetUrlForPosition(line('.'), col('.'))
+        if l:url != ''
+            if get(g:, 'vim_markdown_autowrite', 0)
+                write
+            endif
+            let l:anchor = ''
+            if get(g:, 'vim_markdown_follow_anchor', 0)
+                let l:parts = split(l:url, '#', 1)
+                if len(l:parts) == 2
+                    let [l:url, l:anchor] = parts
+                    let l:anchorexpr = get(g:, 'vim_markdown_anchorexpr', '')
+                    if l:anchorexpr != ''
+                        let l:anchor = eval(substitute(
+                            \ l:anchorexpr, 'v:anchor',
+                            \ escape('"'.l:anchor.'"', '"'), ''))
+                    endif
+                endif
+            endif
+            if l:url != ''
+                let l:ext = ''
+                if get(g:, 'vim_markdown_no_extensions_in_markdown', 0)
+                    " use another file extension if preferred
+                    if exists('g:vim_markdown_auto_extension_ext')
+                        let l:ext = '.'.g:vim_markdown_auto_extension_ext
+                    else
+                        let l:ext = '.md'
+                    endif
+                endif
+                let l:url = fnameescape(fnamemodify(expand('%:h').'/'.l:url.l:ext, ':.'))
+                let l:editmethod = ''
+                " determine how to open the linked file (split, tab, etc)
+                if exists('g:vim_markdown_edit_url_in')
+                  if g:vim_markdown_edit_url_in == 'tab'
+                    let l:editmethod = 'tabnew'
+                  elseif g:vim_markdown_edit_url_in == 'vsplit'
+                    let l:editmethod = 'vsp'
+                  elseif g:vim_markdown_edit_url_in == 'hsplit'
+                    let l:editmethod = 'sp'
+                  else
+                    let l:editmethod = 'edit'
+                  endif
+                else
+                  " default to current buffer
+                  let l:editmethod = 'edit'
+                endif
+                execute l:editmethod l:url
+            endif
+            if l:anchor != ''
+                silent! execute '/'.l:anchor
+            endif
+        else
+            echomsg 'The cursor is not on a link.'
+        endif
+    endfunction
+endif
 
-    " Format tables
-    inoremap <silent> <buffer> <Bar> <Bar><Esc>:call markdown#FormatTable()<CR>a
-  endif
+function! s:VersionAwareNetrwBrowseX(url)
+    if has('patch-7.4.567')
+        call netrw#BrowseX(a:url, 0)
+    else
+        call netrw#NetrwBrowseX(a:url, 0)
+    endif
+endf
 
-  " Switch status of things
-  execute 'nnoremap <silent> <buffer> ' . g:markdown_mapping_switch_status . ' :call markdown#SwitchStatus()<CR>'
+function! s:MapNotHasmapto(lhs, rhs)
+    if !hasmapto('<Plug>' . a:rhs)
+        execute 'nmap <buffer>' . a:lhs . ' <Plug>' . a:rhs
+        execute 'vmap <buffer>' . a:lhs . ' <Plug>' . a:rhs
+    endif
+endfunction
 
-  " Leader mappings
-  nnoremap <buffer> <Leader>e :MarkdownEditBlock<CR>
-  vnoremap <buffer> <Leader>e :MarkdownEditBlock<CR>
-  nnoremap <silent> <buffer> <Leader>ft  :call markdown#FormatTable()<CR>
+call <sid>MapNormVis('<Plug>Markdown_MoveToNextHeader', '<sid>MoveToNextHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousHeader', '<sid>MoveToPreviousHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToNextSiblingHeader', '<sid>MoveToNextSiblingHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousSiblingHeader', '<sid>MoveToPreviousSiblingHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToParentHeader', '<sid>MoveToParentHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToCurHeader', '<sid>MoveToCurHeader')
+nnoremap <Plug>Markdown_OpenUrlUnderCursor :call <sid>OpenUrlUnderCursor()<cr>
+nnoremap <Plug>Markdown_EditUrlUnderCursor :call <sid>EditUrlUnderCursor()<cr>
+
+if !get(g:, 'vim_markdown_no_default_key_mappings', 0)
+    call <sid>MapNotHasmapto(']]', 'Markdown_MoveToNextHeader')
+    call <sid>MapNotHasmapto('[[', 'Markdown_MoveToPreviousHeader')
+    call <sid>MapNotHasmapto('][', 'Markdown_MoveToNextSiblingHeader')
+    call <sid>MapNotHasmapto('[]', 'Markdown_MoveToPreviousSiblingHeader')
+    call <sid>MapNotHasmapto(']u', 'Markdown_MoveToParentHeader')
+    call <sid>MapNotHasmapto(']c', 'Markdown_MoveToCurHeader')
+    call <sid>MapNotHasmapto('gx', 'Markdown_OpenUrlUnderCursor')
+    call <sid>MapNotHasmapto('ge', 'Markdown_EditUrlUnderCursor')
+endif
 
-  " Insert Mode mappings
-  if g:markdown_enable_insert_mode_leader_mappings
-    inoremap <buffer> <Leader>e <Esc>:MarkdownEditBlock<CR>
-    inoremap <silent> <buffer> <Leader>ft  <Esc>:call markdown#FormatTable()<CR>a
-  endif
+command! -buffer -range=% HeaderDecrease call s:HeaderDecrease(<line1>, <line2>)
+command! -buffer -range=% HeaderIncrease call s:HeaderDecrease(<line1>, <line2>, 1)
+command! -buffer -range=% SetexToAtx call s:SetexToAtx(<line1>, <line2>)
+command! -buffer TableFormat call s:TableFormat()
+command! -buffer Toc call s:Toc()
+command! -buffer Toch call s:Toc('horizontal')
+command! -buffer Tocv call s:Toc('vertical')
+command! -buffer Toct call s:Toc('tab')
+
+" Heavily based on vim-notes - http://peterodding.com/code/vim/notes/
+if exists('g:vim_markdown_fenced_languages')
+    let s:filetype_dict = {}
+    for s:filetype in g:vim_markdown_fenced_languages
+        let key = matchstr(s:filetype, "[^=]*")
+        let val = matchstr(s:filetype, "[^=]*$")
+        let s:filetype_dict[key] = val
+    endfor
+else
+    let s:filetype_dict = {
+        \ 'c++': 'cpp',
+        \ 'viml': 'vim',
+        \ 'bash': 'sh',
+        \ 'ini': 'dosini'
+    \ }
 endif
 
-" }}}
+function! s:MarkdownHighlightSources(force)
+    " Syntax highlight source code embedded in notes.
+    " Look for code blocks in the current file
+    let filetypes = {}
+    for line in getline(1, '$')
+        let ft = matchstr(line, '```\s*\zs[0-9A-Za-z_+-]*')
+        if !empty(ft) && ft !~ '^\d*$' | let filetypes[ft] = 1 | endif
+    endfor
+    if !exists('b:mkd_known_filetypes')
+        let b:mkd_known_filetypes = {}
+    endif
+    if !exists('b:mkd_included_filetypes')
+        " set syntax file name included
+        let b:mkd_included_filetypes = {}
+    endif
+    if !a:force && (b:mkd_known_filetypes == filetypes || empty(filetypes))
+        return
+    endif
+
+    " Now we're ready to actually highlight the code blocks.
+    let startgroup = 'mkdCodeStart'
+    let endgroup = 'mkdCodeEnd'
+    for ft in keys(filetypes)
+        if a:force || !has_key(b:mkd_known_filetypes, ft)
+            if has_key(s:filetype_dict, ft)
+                let filetype = s:filetype_dict[ft]
+            else
+                let filetype = ft
+            endif
+            let group = 'mkdSnippet' . toupper(substitute(filetype, "[+-]", "_", "g"))
+            if !has_key(b:mkd_included_filetypes, filetype)
+                let include = s:SyntaxInclude(filetype)
+                let b:mkd_included_filetypes[filetype] = 1
+            else
+                let include = '@' . toupper(filetype)
+            endif
+            let command = 'syntax region %s matchgroup=%s start="^\s*```\s*%s$" matchgroup=%s end="\s*```$" keepend contains=%s%s'
+            execute printf(command, group, startgroup, ft, endgroup, include, has('conceal') && get(g:, 'vim_markdown_conceal', 1) && get(g:, 'vim_markdown_conceal_code_blocks', 1) ? ' concealends' : '')
+            execute printf('syntax cluster mkdNonListItem add=%s', group)
+
+            let b:mkd_known_filetypes[ft] = 1
+        endif
+    endfor
+endfunction
+
+function! s:SyntaxInclude(filetype)
+    " Include the syntax highlighting of another {filetype}.
+    let grouplistname = '@' . toupper(a:filetype)
+    " Unset the name of the current syntax while including the other syntax
+    " because some syntax scripts do nothing when "b:current_syntax" is set
+    if exists('b:current_syntax')
+        let syntax_save = b:current_syntax
+        unlet b:current_syntax
+    endif
+    try
+        execute 'syntax include' grouplistname 'syntax/' . a:filetype . '.vim'
+        execute 'syntax include' grouplistname 'after/syntax/' . a:filetype . '.vim'
+    catch /E484/
+        " Ignore missing scripts
+    endtry
+    " Restore the name of the current syntax
+    if exists('syntax_save')
+        let b:current_syntax = syntax_save
+    elseif exists('b:current_syntax')
+        unlet b:current_syntax
+    endif
+    return grouplistname
+endfunction
+
+
+function! s:MarkdownRefreshSyntax(force)
+    if &filetype =~ 'markdown' && line('$') > 1
+        call s:MarkdownHighlightSources(a:force)
+    endif
+endfunction
+
+function! s:MarkdownClearSyntaxVariables()
+    if &filetype =~ 'markdown'
+        unlet! b:mkd_included_filetypes
+    endif
+endfunction
 
-let b:did_ftplugin = 1
+augroup Mkd
+    " These autocmd calling s:MarkdownRefreshSyntax need to be kept in sync with
+    " the autocmds calling s:MarkdownSetupFolding in after/ftplugin/markdown.vim.
+    autocmd! * <buffer>
+    autocmd BufWinEnter <buffer> call s:MarkdownRefreshSyntax(1)
+    autocmd BufUnload <buffer> call s:MarkdownClearSyntaxVariables()
+    autocmd BufWritePost <buffer> call s:MarkdownRefreshSyntax(0)
+    autocmd InsertEnter,InsertLeave <buffer> call s:MarkdownRefreshSyntax(0)
+    autocmd CursorHold,CursorHoldI <buffer> call s:MarkdownRefreshSyntax(0)
+augroup END
 
 endif
diff --git a/indent/markdown.vim b/indent/markdown.vim
new file mode 100644
index 00000000..fa797312
--- /dev/null
+++ b/indent/markdown.vim
@@ -0,0 +1,79 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
+
+if exists("b:did_indent") | finish | endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetMarkdownIndent()
+setlocal nolisp
+setlocal autoindent
+
+" Automatically continue blockquote on line break
+setlocal formatoptions+=r
+setlocal comments=b:>
+if get(g:, "vim_markdown_auto_insert_bullets", 1)
+    " Do not automatically insert bullets when auto-wrapping with text-width
+    setlocal formatoptions-=c
+    " Accept various markers as bullets
+    setlocal comments+=b:*,b:+,b:-
+endif
+
+" Only define the function once
+if exists("*GetMarkdownIndent") | finish | endif
+
+function! s:IsMkdCode(lnum)
+    let name = synIDattr(synID(a:lnum, 1, 0), 'name')
+    return (name =~ '^mkd\%(Code$\|Snippet\)' || name != '' && name !~ '^\%(mkd\|html\)')
+endfunction
+
+function! s:IsLiStart(line)
+    return a:line !~ '^ *\([*-]\)\%( *\1\)\{2}\%( \|\1\)*$' &&
+      \    a:line =~ '^\s*[*+-] \+'
+endfunction
+
+function! s:IsHeaderLine(line)
+    return a:line =~ '^\s*#'
+endfunction
+
+function! s:IsBlankLine(line)
+    return a:line =~ '^$'
+endfunction
+
+function! s:PrevNonBlank(lnum)
+    let i = a:lnum
+    while i > 1 && s:IsBlankLine(getline(i))
+        let i -= 1
+    endwhile
+    return i
+endfunction
+
+function GetMarkdownIndent()
+    if v:lnum > 2 && s:IsBlankLine(getline(v:lnum - 1)) && s:IsBlankLine(getline(v:lnum - 2))
+        return 0
+    endif
+    let list_ind = get(g:, "vim_markdown_new_list_item_indent", 4)
+    " Find a non-blank line above the current line.
+    let lnum = s:PrevNonBlank(v:lnum - 1)
+    " At the start of the file use zero indent.
+    if lnum == 0 | return 0 | endif
+    let ind = indent(lnum)
+    let line = getline(lnum)    " Last line
+    let cline = getline(v:lnum) " Current line
+    if s:IsLiStart(cline)
+        " Current line is the first line of a list item, do not change indent
+        return indent(v:lnum)
+    elseif s:IsHeaderLine(cline) && !s:IsMkdCode(v:lnum)
+        " Current line is the header, do not indent
+        return 0
+    elseif s:IsLiStart(line)
+        if s:IsMkdCode(lnum)
+            return ind
+        else
+            " Last line is the first line of a list item, increase indent
+            return ind + list_ind
+        end
+    else
+        return ind
+    endif
+endfunction
+
+endif
diff --git a/syntax/markdown.vim b/syntax/markdown.vim
index 8c5e10ba..063ba10d 100644
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@@ -1,947 +1,188 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
 
 " Vim syntax file
-" Language:     Markdown
-" Maintainer:   Gabriele Lana <gabriele.lana@gmail.com>
-" Filenames:    *.md
+" Language:	Markdown
+" Maintainer:	Ben Williams <benw@plasticboy.com>
+" URL:		http://plasticboy.com/markdown-vim-mode/
+" Remark:	Uses HTML syntax file
+" TODO: 	Handle stuff contained within stuff (e.g. headings within blockquotes)
 
-if exists("b:current_syntax")
-  finish
-endif
 
-if !exists('main_syntax')
-  let main_syntax = 'markdown'
+" Read the HTML syntax to start with
+if version < 600
+  so <sfile>:p:h/html.vim
+else
+  runtime! syntax/html.vim
+
+  if exists('b:current_syntax')
+    unlet b:current_syntax
+  endif
 endif
 
-if !exists('g:markdown_flavor')
-  let g:markdown_flavor = 'github'
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
 endif
 
-if exists('g:markdown_enable_conceal') && g:markdown_enable_conceal
-    let b:markdown_concealends = 'concealends'
-    let b:markdown_conceal = 'conceal'
-    set conceallevel=2
-    set concealcursor=
+" don't use standard HiLink, it will not work with included syntax files
+if version < 508
+  command! -nargs=+ HtmlHiLink hi link <args>
 else
-    let b:markdown_concealends = ''
-    let b:markdown_conceal = ''
+  command! -nargs=+ HtmlHiLink hi def link <args>
 endif
 
 syn spell toplevel
-syn sync fromstart
 syn case ignore
-
-
-" {{{ INLINE ELEMENTS
-
-syn cluster markdownInline contains=
-  \ markdownItalic,markdownBold,markdownBoldItalic,markdownStrike,markdownInlineCode,
-  \ markdownPullRequestLinkInText,markdownUrlLinkInText,markdownUserLinkInText,
-  \ markdownEmailLinkInText,markdownLinkContainer,markdownXmlComment,
-  \ markdownXmlElement,markdownXmlEmptyElement,markdownXmlEntities
-
-execute 'syn region markdownItalic matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|_\|^\)\@<=\*\%(\s\|\*\|$\)\@!" end="\%(\s\|\*\)\@<!\*" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-execute 'syn region markdownItalic matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|\*\|^\)\@<=_\%(\s\|_\|$\)\@!" end="\%(\s\|_\)\@<!_" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-
-execute 'syn region markdownBold matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|__\|^\)\@<=\*\*\%(\s\|\*\|$\)\@!" end="\%(\s\|\*\*\)\@<!\*\*" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-execute 'syn region markdownBold matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|\*\*\|^\)\@<=__\%(\s\|_\|$\)\@!" end="\%(\s\|__\)\@<!__" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-
-execute 'syn region markdownBoldItalic matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|_\|^\)\@<=\*\*\*\%(\s\|\*\|$\)\@!" end="\%(\s\|\*\)\@<!\*\*\*" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-execute 'syn region markdownBoldItalic matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|\*\|^\)\@<=___\%(\s\|_\|$\)\@!" end="\%(\s\|_\)\@<!___" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-execute 'syn region markdownBoldItalic matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|_\|^\)\@<=\*\*_\%(\s\|_\|$\)\@!" end="\%(\s\|_\)\@<!_\*\*" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-execute 'syn region markdownBoldItalic matchgroup=markdownInlineDelimiter '
-  \ . 'start="\%(\s\|\*\|^\)\@<=__\*\%(\s\|\*\|$\)\@!" end="\%(\s\|\*\)\@<!\*__" '
-  \ . 'contains=@markdownInline '
-  \ . b:markdown_concealends
-
-syn match markdownStrike /\%(\\\)\@<!\~\~\%(\S\)\@=\_.\{-}\%(\S\)\@<=\~\~/ contains=markdownStrikeDelimiter,@markdownInline
-syn match markdownStrikeDelimiter /\~\~/ contained
-
-" Fenced code blocks in list items must be preceded by an empty line This is
-" made this way so that the second rule could eat up something that is not a
-" fenced code block like
-"
-"     * This is a list item
-"       ```ruby
-"       # this is not a fenced code block but it's a code block
-"       def ruby;
-"       ```
-execute 'syn region markdownInlineCode matchgroup=markdownCodeDelimiter start=/\%(`\)\@<!`/ end=/`/ keepend contains=@NoSpell ' . b:markdown_concealends
-execute 'syn region markdownInlineCode matchgroup=markdownCodeDelimiter start=/\%(`\)\@<!`\z(`\+\)/ end=/`\z1/ keepend contains=@NoSpell ' . b:markdown_concealends
-
-" case insensitive
-" preceded by something that is not a word
-" could be surrounded by angle brackets
-" could begin with / or // (path) or the url protocol
-" inside the url pairs of balanced parentheses are allowed
-" inside the url html entities are allowed
-" the end block is different because ?!:,. are not included in the url if they
-" appear at the end of the url
-let b:markdown_syntax_url =
-  \ '\c'
-  \ . '\%(\W\)\@<='
-  \ . '<\?'
-  \ . '\%('
-  \ .   '\%(\<\%(https\?\|ftp\|file\):\/\/\|www\.\|ftp\.\)'
-  \ .   '\|'
-  \ .   '\/\/\?'
-  \ . '\)'
-  \ . '\%('
-  \ .   '&#\?[0-9A-Za-z]\{1,8};'
-  \ .   '\|'
-  \ .   '\\'
-  \ .   '\|'
-  \ .   '([-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?)'
-  \ .   '\|'
-  \ .   '\[[-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?\]'
-  \ .   '\|'
-  \ .   '{[-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?}'
-  \ .   '\|'
-  \ .   '[-A-Z0-9+&@#/%=~_|$?!:,.]'
-  \ . '\)*'
-  \ . '\%('
-  \ .   '&#\?[0-9A-Za-z]\{1,8};'
-  \ .   '\|'
-  \ .   '\\'
-  \ .   '\|'
-  \ .   '([-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?)'
-  \ .   '\|'
-  \ .   '\[[-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?\]'
-  \ .   '\|'
-  \ .   '{[-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?}'
-  \ .   '\|'
-  \ .   '[-A-Z0-9+&@#/%=~_|$]\+'
-  \ . '\)'
-  \ . '>\?'
-execute 'syn match markdownUrlLinkInText /' . b:markdown_syntax_url . '/ contains=@NoSpell display'
-
-syn match markdownPullRequestLinkInText /\%(\w\)\@<!#\d\+/ display
-syn match markdownUserLinkInText /\%(\w\)\@<!@[[:alnum:]._\/-]\+/ contains=@NoSpell display
-syn match markdownEmailLinkInText /[[:alnum:]._%+-]\+@[[:alnum:].-]\+\.\w\{2,4}/ contains=@NoSpell display
-
-" something encosed in square brackets
-" could not be preceded by a backslash
-" could contain pairs of square brackets
-" could contain no more than two consecutive newlines
-" could contain single square brackets (open or closed) escaped
-" could not contain unbalanced square brackets like 'a [ b \] c'
-" could not contain nested square brackets
-let b:markdown_syntax_allowed_characters_in_square_brackets = '\%([^\[\]]\|\\\[\|\\\]\)*'
-let b:markdown_syntax_square_brackets_block = ''
-  \ . '\%(\\\)\@<!\['
-  \ .   '\%('
-  \ .     b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .     '\|'
-  \ .     b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .     '\['
-  \ .       b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .     '\]'
-  \ .     b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .   '\)'
-  \ .   '\%('
-  \ .     '\n\%(\n\)\@!'
-  \ .     '\%('
-  \ .       b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .       '\|'
-  \ .       b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .       '\['
-  \ .         b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .       '\]'
-  \ .       b:markdown_syntax_allowed_characters_in_square_brackets
-  \ .     '\)'
-  \ .   '\)*'
-  \ . '\]'
-
-" something encosed in round brackets
-" could not be preceded by a backslash
-" could contain pairs of round brackets
-" could contain no more than two consecutive newlines
-" could contain single round brackets (open or closed) escaped
-" could not contain unbalanced round brackets like 'a ( b \) c'
-" could not contain nested round brackets
-let b:markdown_syntax_allowed_characters_in_round_brackets = '[^()]*'
-let b:markdown_syntax_round_brackets_block = ''
-  \ . '\%(\\\)\@<!('
-  \ .   '\%('
-  \ .     b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .     '\|'
-  \ .     b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .     '('
-  \ .       b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .     ')'
-  \ .     b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .   '\)'
-  \ .   '\%('
-  \ .     '\n\%(\n\)\@!'
-  \ .     '\%('
-  \ .       b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .       '\|'
-  \ .       b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .       '('
-  \ .         b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .       ')'
-  \ .       b:markdown_syntax_allowed_characters_in_round_brackets
-  \ .     '\)'
-  \ .   '\)*'
-  \ . ')'
-
-execute 'syn match markdownLinkContainer '
-  \ . 'contains=markdownLinkTextContainer,markdownLinkUrlContainer transparent '
-  \ . '/'
-  \ . '!\?'
-  \ . b:markdown_syntax_square_brackets_block
-  \ . '\%(\s*\|\n\%\(\n\)\@!\)'
-  \ . '\%('
-  \ .   b:markdown_syntax_round_brackets_block
-  \ .   '\|'
-  \ .   b:markdown_syntax_square_brackets_block
-  \ . '\)'
-  \ . '/'
-
-execute 'syn match markdownLinkTextContainer contained '
-  \ . 'contains=markdownLinkText '
-  \ . '/'
-  \ . '!\?'
-  \ . b:markdown_syntax_square_brackets_block
-  \ . '/'
-
-execute 'syn match markdownLinkText contained '
-  \ . 'contains=@markdownInline,@NoSpell '
-  \ . '/'
-  \ . '!\?'
-  \ . b:markdown_syntax_square_brackets_block
-  \ . '/'
-  \ . 'hs=s+1,he=e-1'
-
-execute 'syn match markdownLinkUrlContainer contained '
-  \ . 'contains=markdownLinkUrl,markdownLinkTitleSingleQuoted,markdownLinkTitleDoubleQuoted '
-  \ . '/'
-  \ . b:markdown_syntax_round_brackets_block
-  \ . '/ '
-  \ . b:markdown_conceal
-
-execute 'syn match markdownLinkUrl contained '
-  \ . 'contains=@NoSpell '
-  \ . '/'
-  \ . '\%((\)\@<='
-  \ . '\%('
-  \ .   '&#\?[0-9A-Za-z]\{1,8};'
-  \ .   '\|'
-  \ .   '\\'
-  \ .   '\|'
-  \ .   '([-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?)'
-  \ .   '\|'
-  \ .   '\[[-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?\]'
-  \ .   '\|'
-  \ .   '{[-A-Z0-9+&@#/%=~_|$?!:,.]*\\\?}'
-  \ .   '\|'
-  \ .   '[-A-Z0-9+&@#/%=~_|$?!:,.]'
-  \ .   '\|'
-  \ .   '\s'
-  \ . '\)\+'
-  \ . '\%(\s\+["'']\|)\|\n\)\@='
-  \ . '/'
-
-execute 'syn region markdownLinkTitleSingleQuoted start=/\s*''/ skip=/\\''/ end=/''\_s*/ display '
-  \ . 'keepend contained contains=@markdownInline '
-  \ . b:markdown_conceal
-
-execute 'syn region markdownLinkTitleDoubleQuoted start=/\s*"/ skip=/\\"/ end=/"\_s*/ display '
-  \ . 'keepend contained contains=@markdownInline '
-  \ . b:markdown_conceal
-
-syn match markdownXmlComment /\c<\!--\_.\{-}-->/ contains=@NoSpell
-syn match markdownXmlElement /\c<\([-A-Z0-9_$?!:,.]\+\)[^>]\{-}>\_.\{-}<\/\1>/ contains=@NoSpell
-syn match markdownXmlEmptyElement /\c<\([-A-Z0-9_$?!:,.]\+\)\%(\s\+[^>]\{-}\/>\|\s*\/>\)/ contains=@NoSpell
-syn match markdownXmlEntities /&#\?[0-9A-Za-z]\{1,8};/ contains=@NoSpell
-
-" }}}
-
-
-" {{{ ANCHORED BLOCKS
-
-syn match markdownRule /^\s*\*\s*\*\s*\*[[:space:]*]*$/ display
-syn match markdownRule /^\s*-\s*-\s*-[[:space:]-]*$/ display
-syn match markdownRule /^\s*_\s*_\s*_[[:space:]_]*$/ display
-
-if g:markdown_flavor ==? 'github'
-  syn region markdownH1 matchgroup=markdownHeadingDelimiter start=/^#\%(\s\+\)\@=/      end=/#*\s*$/ display oneline contains=@markdownInline
-  syn region markdownH2 matchgroup=markdownHeadingDelimiter start=/^##\%(\s\+\)\@=/     end=/#*\s*$/ display oneline contains=@markdownInline
-  syn region markdownH3 matchgroup=markdownHeadingDelimiter start=/^###\%(\s\+\)\@=/    end=/#*\s*$/ display oneline contains=@markdownInline
-  syn region markdownH4 matchgroup=markdownHeadingDelimiter start=/^####\%(\s\+\)\@=/   end=/#*\s*$/ display oneline contains=@markdownInline
-  syn region markdownH5 matchgroup=markdownHeadingDelimiter start=/^#####\%(\s\+\)\@=/  end=/#*\s*$/ display oneline contains=@markdownInline
-  syn region markdownH6 matchgroup=markdownHeadingDelimiter start=/^######\%(\s\+\)\@=/ end=/#*\s*$/ display oneline contains=@markdownInline
-
-  syn match markdownH1 /^.\+\n=\+$/ display contains=@markdownInline,markdownHeadingUnderline
-  syn match markdownH2 /^.\+\n-\+$/ display contains=@markdownInline,markdownHeadingUnderline
-  syn match markdownHeadingUnderline /^[=-]\+$/ display contained
+syn sync linebreaks=1
+
+let s:conceal = ''
+let s:concealends = ''
+let s:concealcode = ''
+if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
+  let s:conceal = ' conceal'
+  let s:concealends = ' concealends'
 endif
-
-if g:markdown_flavor ==? 'kramdown'
-  syn match markdownHeaderContainer /^#\{1,6}.\+$/ display transparent
-    \ contains=@markdownInline,markdownHeader,markdownHeaderId,markdownHeadingDelimiter
-  syn match markdownHeader /\%(^#\+\)\@<=\%([^#]\+\%(#\+\s*\%($\|{\)\)\@=\|[^{]\{-}\%({\)\@=\|#$\)/
-
-  syn match markdownHeader /^.\+\n=\+$/ display contains=@markdownInline,markdownHeadingUnderline,markdownHeaderId
-  syn match markdownHeader /^.\+\n-\+$/ display contains=@markdownInline,markdownHeadingUnderline,markdownHeaderId
-  syn match markdownHeadingUnderline /^[=-]\+$/ display contained
-
-  syn match markdownHeaderId /{[^}]\+}\s*$/ display contained
-  syn match markdownHeadingDelimiter /#\+\%(.\+\)\@=/ display contained
+if has('conceal') && get(g:, 'vim_markdown_conceal_code_blocks', 1)
+  let s:concealcode = ' concealends'
 endif
 
-execute 'syn match markdownLinkReference '
-  \ . 'contains=@NoSpell '
-  \ . 'display '
-  \ . '/'
-  \ . '^\s\{,3}'
-  \ . b:markdown_syntax_square_brackets_block
-  \ . ':.*'
-  \ . '\%(\n\%\(\n\)\@!.*$\)*'
-  \ . '/'
-
-syn region markdownBlockquote start=/^\s*\%(>\s\?\)\+\%(.\)\@=/ end=/\n\n/ contains=markdownBlockquoteDelimiter,@NoSpell
-syn match markdownBlockquoteDelimiter /^\s*\%(>\s\?\)\+/ contained
-
-syn region markdownFencedCodeBlock matchgroup=markdownCodeDelimiter start=/^\s\{,3}```\%(`*\).*$/ end=/^\s\{,3}```\%(`*\)\s*$/ contains=@NoSpell
-syn region markdownFencedCodeBlock matchgroup=markdownCodeDelimiter start=/^\s\{,3}\~\~\~\%(\~*\).*$/ end=/^\s\{,3}\~\~\~\%(\~*\)\s*$/ contains=@NoSpell
-
-syn match markdownCodeBlock /\%(^\n\)\@<=\%(\%(\s\{4,}\|\t\+\).*\n\)\+$/ contains=@NoSpell
-
-let s:markdown_table_header_rows_separator = ''
-  \ . '\%('
-  \ .   '\s*|\?\%(\s*[-:]-\{1,}[-:]\s*|\)\+\s*[-:]-\{1,}[-:]\s*|\?\s*'
-  \ .   '\|'
-  \ .   '\s*|\s*[-:]-\{1,}[-:]\s*|\s*'
-  \ .   '\|'
-  \ .   '\s*|\s*[-:]-\{1,}[-:]\s*'
-  \ .   '\|'
-  \ .   '\s*[-:]-\{1,}[-:]\s*|\s*'
-  \ . '\)'
-execute 'syn match markdownTable '
-  \ . 'transparent contains=markdownTableHeader,markdownTableDelimiter,@markdownInline '
-  \ . '/'
-  \ .   '^\s*\n'
-  \ .   '\s*|\?\%([^|]\+|\)*[^|]\+|\?\s*\n'
-  \ .   s:markdown_table_header_rows_separator . '\n'
-  \ .   '\%('
-  \ .     '\s*|\?\%([^|]\+|\)*[^|]\+|\?\s*\n'
-  \ .   '\)*'
-  \ .   '$'
-  \ . '/'
-syn match markdownTableDelimiter /|/ contained
-execute 'syn match markdownTableDelimiter contained '
-  \ . '/' . s:markdown_table_header_rows_separator . '/'
-execute 'syn match markdownTableHeader contained contains=@markdownInline '
-  \ . '/\%(|\?\s*\)\@<=[^|]\+\%(.*\n' . s:markdown_table_header_rows_separator . '\)\@=/'
-
-" }}}
-
-
-" {{{ NESTED BLOCKS
-
-for s:level in range(1, 16)
-  let s:indented_as_content = '\%( \{' . (2*s:level) . '}\|\t\{' . (s:level) . '}\)'
-  let s:indented_as_container = '\%( \{' . (2*(s:level-1)) . '}\|\t\{' . (s:level-1) . '}\)'
-  let s:preceded_by_separator = '^\s*\n'
-
-  execute 'syn region markdownListItemAtLevel' . (s:level) . ' '
-    \ . 'matchgroup=markdownItemDelimiter '
-    \ . (s:level > 1 ? 'contained ' : '')
-    \ . 'keepend '
-    \ . 'contains='
-    \ .   'markdownTableInListItemAtLevel' . (s:level) . ','
-    \ .   'markdownCodeBlockInListItemAtLevel' . (s:level) . ','
-    \ .   'markdownFencedCodeBlockInListItemAtLevel' . (s:level) . ','
-    \ .   'markdownH1InListItemAtLevel' . (s:level) . ','
-    \ .   'markdownH2InListItemAtLevel' . (s:level) . ','
-    \ .   'markdownH3InListItemAtLevel' . (s:level) . ','
-    \ .   'markdownH4InListItemAtLevel' . (s:level) . ','
-    \ .   'markdownH5InListItemAtLevel' . (s:level) . ','
-    \ .   'markdownH6InListItemAtLevel' . (s:level) . ','
-    \ .   'markdownRuleInListItemAtLevel' . (s:level) . ','
-    \ .   'markdownBlockquoteInListItemAtLevel' . (s:level) . ','
-    \ .   'markdownListItemAtLevel' . (s:level+1) . ','
-    \ .   '@markdownInline '
-    \ . 'start=/^' . (s:indented_as_container) . '\%([-*+]\|\d\+\.\)\%(\s\+\[[ x]\]\)\?\s\+/ '
-    \ . 'end='
-    \ .   '/'
-    \ .     '\n\%(\n\n\)\@='
-    \ .     '\|'
-    \ .     '\n\%(' . (s:indented_as_container) . '\%([-*+]\|\d\+\.\)\s\+\)\@='
-    \ .     '\|'
-    \ .     '\n\%(\n' . (s:indented_as_container) . '\S\)\@='
-    \ .   '/'
-
-  " fenced code blocks could have leading spaces after the base level indentation
-  " so at least it must be indented as content but could be indented more
-  " there's no upper limit to the indentation because the following rule on
-  " code blocks is going to take care of that
-  " TL;DR: don't swap markdownFencedCodeBlockInListItemAtLevel* with
-  " markdownCodeBlockInListItemAtLevel* :-)
-  execute 'syn region markdownFencedCodeBlockInListItemAtLevel' . (s:level) . ' '
-    \ . 'contained contains=@NoSpell '
-    \ . 'matchgroup=markdownFencedCodeBlockInItemDelimiter '
-    \ . 'start='
-    \ .   '/'
-    \ .     (s:preceded_by_separator)
-    \ .     '\z( \{' . (2*s:level) . ',}\|\t\{' . (s:level) . ',}\)*```\%(`*\).*$'
-    \ .   '/ '
-    \ . 'end=/^\z1```\%(`*\)\s*$/'
-  execute 'syn region markdownFencedCodeBlockInListItemAtLevel' . (s:level) . ' '
-    \ . 'contained contains=@NoSpell '
-    \ . 'matchgroup=markdownFencedCodeBlockInItemDelimiter '
-    \ . 'start='
-    \ .   '/'
-    \ .     (s:preceded_by_separator)
-    \ .     '\z( \{' . (2*s:level) . ',}\|\t\{' . (s:level) . ',}\)*\~\~\~\%(\~*\).*$'
-    \ .   '/ '
-    \ . 'end=/^\z1\~\~\~\%(\~*\)\s*$/'
-  execute 'hi def link markdownFencedCodeBlockInListItemAtLevel' . (s:level) . ' String'
-
-  execute 'syn match markdownCodeBlockInListItemAtLevel' . (s:level) . ' '
-    \ . 'contained contains=@NoSpell '
-    \ . '/' . (s:preceded_by_separator) . '\%(\%( \{' . (6+2*s:level)  . ',}\|\t\{' . (1+s:level) . ',}\).*\n\?\)\+$/'
-  execute 'hi def link markdownCodeBlockInListItemAtLevel' . (s:level) . ' String'
-
-  execute 'syn region markdownH1InListItemAtLevel' . (s:level) . ' '
-    \ . 'contained display oneline '
-    \ . 'matchgroup=markdownHeadingDelimiter '
-    \ . 'contains=@markdownInline '
-    \ . 'start=/' . (s:preceded_by_separator) . (s:indented_as_content) . '#\%(\s\+\)\@=/ '
-    \ . 'end=/#*\s*$/'
-  execute 'syn region markdownH2InListItemAtLevel' . (s:level) . ' '
-    \ . 'contained display oneline '
-    \ . 'matchgroup=markdownHeadingDelimiter '
-    \ . 'contains=@markdownInline '
-    \ . 'start=/' . (s:preceded_by_separator) . (s:indented_as_content) . '##\%(\s\+\)\@=/ '
-    \ . 'end=/#*\s*$/'
-  execute 'syn region markdownH3InListItemAtLevel' . (s:level) . ' '
-    \ . 'contained display oneline '
-    \ . 'matchgroup=markdownHeadingDelimiter '
-    \ . 'contains=@markdownInline '
-    \ . 'start=/' . (s:preceded_by_separator) . (s:indented_as_content) . '###\%(\s\+\)\@=/ '
-    \ . 'end=/#*\s*$/'
-  execute 'syn region markdownH4InListItemAtLevel' . (s:level) . ' '
-    \ . 'contained display oneline '
-    \ . 'matchgroup=markdownHeadingDelimiter '
-    \ . 'contains=@markdownInline '
-    \ . 'start=/' . (s:preceded_by_separator) . (s:indented_as_content) . '####\%(\s\+\)\@=/ '
-    \ . 'end=/#*\s*$/'
-  execute 'syn region markdownH5InListItemAtLevel' . (s:level) . ' '
-    \ . 'contained display oneline '
-    \ . 'matchgroup=markdownHeadingDelimiter '
-    \ . 'contains=@markdownInline '
-    \ . 'start=/' . (s:preceded_by_separator) . (s:indented_as_content) . '#####\%(\s\+\)\@=/ '
-    \ . 'end=/#*\s*$/'
-  execute 'syn region markdownH6InListItemAtLevel' . (s:level) . ' '
-    \ . 'contained display oneline '
-    \ . 'matchgroup=markdownHeadingDelimiter '
-    \ . 'contains=@markdownInline '
-    \ . 'start=/' . (s:preceded_by_separator) . (s:indented_as_content) . '######\%(\s\+\)\@=/ '
-    \ . 'end=/#*\s*$/'
-  execute 'hi def link markdownH1InListItemAtLevel' . (s:level) . ' Title'
-  execute 'hi def link markdownH2InListItemAtLevel' . (s:level) . ' Title'
-  execute 'hi def link markdownH3InListItemAtLevel' . (s:level) . ' Title'
-  execute 'hi def link markdownH4InListItemAtLevel' . (s:level) . ' Title'
-  execute 'hi def link markdownH5InListItemAtLevel' . (s:level) . ' Title'
-  execute 'hi def link markdownH6InListItemAtLevel' . (s:level) . ' Title'
-
-  execute 'syn match markdownH1InListItemAtLevel' . (s:level) . ' '
-    \ . 'display contained contains=@markdownInline,markdownHeadingDelimiterInListItemAtLevel'. (s:level) . ' '
-    \ . '/' . (s:preceded_by_separator) . (s:indented_as_content) . '.\+\n' . (s:indented_as_content) . '=\+$/'
-  execute 'syn match markdownH1InListItemAtLevel' . (s:level) . ' '
-    \ . 'display contained contains=@markdownInline,markdownHeadingDelimiterInListItemAtLevel'. (s:level) . ' '
-    \ . '/' . (s:preceded_by_separator) . (s:indented_as_content) . '.\+\n' . (s:indented_as_content) . '-\+$/'
-  execute 'syn match markdownHeadingDelimiterInListItemAtLevel' . (s:level) . ' '
-    \ . 'display contained '
-    \ . '/^' . (s:indented_as_content) . '\%(-\+\|=\+\)$/'
-  execute 'hi def link markdownH1InListItemAtLevel' . (s:level) . ' Title'
-  execute 'hi def link markdownH2InListItemAtLevel' . (s:level) . ' Title'
-  execute 'hi def link markdownHeadingDelimiterInListItemAtLevel' . (s:level) . ' Special'
-
-  execute 'syn match markdownRuleInListItemAtLevel' . (s:level) . ' '
-    \ . '/' . (s:preceded_by_separator) . (s:indented_as_content) . '*\*\s*\*\s*\*[[:space:]*]*$/ display'
-  execute 'syn match markdownRuleInListItemAtLevel' . (s:level) . ' '
-    \ . '/' . (s:preceded_by_separator) . (s:indented_as_content) . '-\s*-\s*-[[:space:]-]*$/ display'
-  execute 'syn match markdownRuleInListItemAtLevel' . (s:level) . ' '
-    \ . '/' . (s:preceded_by_separator) . (s:indented_as_content) . '_\s*_\s*_[[:space:]_]*$/ display'
-  execute 'hi def link markdownRuleInListItemAtLevel' . (s:level) . ' Identifier'
-
-  execute 'syn region markdownBlockquoteInListItemAtLevel' . (s:level) . ' '
-    \ . 'contained '
-    \ . 'contains=markdownBlockquoteDelimiterInListItemAtLevel' . (s:level) . ',@NoSpell '
-    \ . 'start=/' . (s:preceded_by_separator) . (s:indented_as_content) . '\%(>\s\?\)\+\%(.\)\@=/ '
-    \ . 'end=/\n\n/'
-  execute 'syn match markdownBlockquoteDelimiterInListItemAtLevel' . (s:level) . ' '
-    \ . 'contained '
-    \ . '/^' . (s:indented_as_content) . '\%(>\s\?\)\+/'
-  execute 'hi def link markdownBlockquoteInListItemAtLevel' . (s:level) . ' Comment'
-  execute 'hi def link markdownBlockquoteDelimiterInListItemAtLevel' . (s:level) . ' Delimiter'
-
-  " " the only constraint here is that the table begins at least at the same
-  " " level as the list item's content, se we could reuse the previous syntactic
-  " " elements, we could do that because tables could have arbitrary indentation
-  execute 'syn match markdownTableInListItemAtLevel' . (s:level) . ' '
-    \ . 'transparent contained contains=markdownTableHeader,markdownTableDelimiter,@markdownInline '
-    \ . '/'
-    \ .   '^\s*\n'
-    \ .   (s:indented_as_content) . '\s*|\?\%([^|]\+|\)*[^|]\+|\?\s*\n'
-    \ .   s:markdown_table_header_rows_separator . '\n'
-    \ .   '\%('
-    \ .     '\s*|\?\%([^|]\+|\)*[^|]\+|\?\s*\n'
-    \ .   '\)*'
-    \ .   '$'
-    \ . '/'
-endfor
-hi def link markdownItemDelimiter Special
-hi def link markdownFencedCodeBlockInItemDelimiter Special
-
-" }}}
-
-
-" {{{ EMOTICONS
-
-syn keyword markdownEmoticonKeyword :bowtie: :smile: :laughing: :blush: :smiley:
-syn keyword markdownEmoticonKeyword :bowtie: :smile: :laughing: :blush: :smiley:
-syn keyword markdownEmoticonKeyword :relaxed: :smirk: :heart_eyes: :kissing_heart: :kissing_closed_eyes:
-syn keyword markdownEmoticonKeyword :flushed: :relieved: :satisfied: :grin: :wink:
-syn keyword markdownEmoticonKeyword :stuck_out_tongue_winking_eye: :stuck_out_tongue_closed_eyes: :grinning: :kissing: :kissing_smiling_eyes:
-syn keyword markdownEmoticonKeyword :stuck_out_tongue: :sleeping: :worried: :frowning: :anguished:
-syn keyword markdownEmoticonKeyword :open_mouth: :grimacing: :confused: :hushed: :expressionless:
-syn keyword markdownEmoticonKeyword :unamused: :sweat_smile: :sweat: :disappointed_relieved: :weary:
-syn keyword markdownEmoticonKeyword :pensive: :disappointed: :confounded: :fearful: :cold_sweat:
-syn keyword markdownEmoticonKeyword :persevere: :cry: :sob: :joy: :astonished:
-syn keyword markdownEmoticonKeyword :scream: :neckbeard: :tired_face: :angry: :rage:
-syn keyword markdownEmoticonKeyword :triumph: :sleepy: :yum: :mask: :sunglasses:
-syn keyword markdownEmoticonKeyword :dizzy_face: :imp: :smiling_imp: :neutral_face: :no_mouth:
-syn keyword markdownEmoticonKeyword :innocent: :alien: :yellow_heart: :blue_heart: :purple_heart:
-syn keyword markdownEmoticonKeyword :heart: :green_heart: :broken_heart: :heartbeat: :heartpulse:
-syn keyword markdownEmoticonKeyword :two_hearts: :revolving_hearts: :cupid: :sparkling_heart: :sparkles:
-syn keyword markdownEmoticonKeyword :star: :star2: :dizzy: :boom: :collision:
-syn keyword markdownEmoticonKeyword :anger: :exclamation: :question: :grey_exclamation: :grey_question:
-syn keyword markdownEmoticonKeyword :zzz: :dash: :sweat_drops: :notes: :musical_note:
-syn keyword markdownEmoticonKeyword :fire: :hankey: :poop: :shit: :+1:
-syn keyword markdownEmoticonKeyword :thumbsup: :-1: :thumbsdown: :ok_hand: :punch:
-syn keyword markdownEmoticonKeyword :facepunch: :fist: :v: :wave: :hand:
-syn keyword markdownEmoticonKeyword :raised_hand: :open_hands: :point_up: :point_down: :point_left:
-syn keyword markdownEmoticonKeyword :point_right: :raised_hands: :pray: :point_up_2: :clap:
-syn keyword markdownEmoticonKeyword :muscle: :metal: :fu: :walking: :runner:
-syn keyword markdownEmoticonKeyword :running: :couple: :family: :two_men_holding_hands: :two_women_holding_hands:
-syn keyword markdownEmoticonKeyword :dancer: :dancers: :ok_woman: :no_good: :information_desk_person:
-syn keyword markdownEmoticonKeyword :raising_hand: :bride_with_veil: :person_with_pouting_face: :person_frowning: :bow:
-syn keyword markdownEmoticonKeyword :couplekiss: :couple_with_heart: :massage: :haircut: :nail_care:
-syn keyword markdownEmoticonKeyword :boy: :girl: :woman: :man: :baby:
-syn keyword markdownEmoticonKeyword :older_woman: :older_man: :person_with_blond_hair: :man_with_gua_pi_mao: :man_with_turban:
-syn keyword markdownEmoticonKeyword :construction_worker: :cop: :angel: :princess: :smiley_cat:
-syn keyword markdownEmoticonKeyword :smile_cat: :heart_eyes_cat: :kissing_cat: :smirk_cat: :scream_cat:
-syn keyword markdownEmoticonKeyword :crying_cat_face: :joy_cat: :pouting_cat: :japanese_ogre: :japanese_goblin:
-syn keyword markdownEmoticonKeyword :see_no_evil: :hear_no_evil: :speak_no_evil: :guardsman: :skull:
-syn keyword markdownEmoticonKeyword :feet: :lips: :kiss: :droplet: :ear:
-syn keyword markdownEmoticonKeyword :eyes: :nose: :tongue: :love_letter: :bust_in_silhouette:
-syn keyword markdownEmoticonKeyword :busts_in_silhouette: :speech_balloon: :thought_balloon: :feelsgood: :finnadie:
-syn keyword markdownEmoticonKeyword :goberserk: :godmode: :hurtrealbad: :rage1: :rage2:
-syn keyword markdownEmoticonKeyword :rage3: :rage4: :suspect: :trollface: :sunny:
-syn keyword markdownEmoticonKeyword :umbrella: :cloud: :snowflake: :snowman: :zap:
-syn keyword markdownEmoticonKeyword :cyclone: :foggy: :ocean: :cat: :dog:
-syn keyword markdownEmoticonKeyword :mouse: :hamster: :rabbit: :wolf: :frog:
-syn keyword markdownEmoticonKeyword :tiger: :koala: :bear: :pig: :pig_nose:
-syn keyword markdownEmoticonKeyword :cow: :boar: :monkey_face: :monkey: :horse:
-syn keyword markdownEmoticonKeyword :racehorse: :camel: :sheep: :elephant: :panda_face:
-syn keyword markdownEmoticonKeyword :snake: :bird: :baby_chick: :hatched_chick: :hatching_chick:
-syn keyword markdownEmoticonKeyword :chicken: :penguin: :turtle: :bug: :honeybee:
-syn keyword markdownEmoticonKeyword :ant: :beetle: :snail: :octopus: :tropical_fish:
-syn keyword markdownEmoticonKeyword :fish: :whale: :whale2: :dolphin: :cow2:
-syn keyword markdownEmoticonKeyword :ram: :rat: :water_buffalo: :tiger2: :rabbit2:
-syn keyword markdownEmoticonKeyword :dragon: :goat: :rooster: :dog2: :pig2:
-syn keyword markdownEmoticonKeyword :mouse2: :ox: :dragon_face: :blowfish: :crocodile:
-syn keyword markdownEmoticonKeyword :dromedary_camel: :leopard: :cat2: :poodle: :paw_prints:
-syn keyword markdownEmoticonKeyword :bouquet: :cherry_blossom: :tulip: :four_leaf_clover: :rose:
-syn keyword markdownEmoticonKeyword :sunflower: :hibiscus: :maple_leaf: :leaves: :fallen_leaf:
-syn keyword markdownEmoticonKeyword :herb: :mushroom: :cactus: :palm_tree: :evergreen_tree:
-syn keyword markdownEmoticonKeyword :deciduous_tree: :chestnut: :seedling: :blossom: :ear_of_rice:
-syn keyword markdownEmoticonKeyword :shell: :globe_with_meridians: :sun_with_face: :full_moon_with_face: :new_moon_with_face:
-syn keyword markdownEmoticonKeyword :new_moon: :waxing_crescent_moon: :first_quarter_moon: :waxing_gibbous_moon: :full_moon:
-syn keyword markdownEmoticonKeyword :waning_gibbous_moon: :last_quarter_moon: :waning_crescent_moon: :last_quarter_moon_with_face: :first_quarter_moon_with_face:
-syn keyword markdownEmoticonKeyword :moon: :earth_africa: :earth_americas: :earth_asia: :volcano:
-syn keyword markdownEmoticonKeyword :milky_way: :partly_sunny: :octocat: :squirrel: :bamboo:
-syn keyword markdownEmoticonKeyword :gift_heart: :dolls: :school_satchel: :mortar_board: :flags:
-syn keyword markdownEmoticonKeyword :fireworks: :sparkler: :wind_chime: :rice_scene: :jack_o_lantern:
-syn keyword markdownEmoticonKeyword :ghost: :santa: :christmas_tree: :gift: :bell:
-syn keyword markdownEmoticonKeyword :no_bell: :tanabata_tree: :tada: :confetti_ball: :balloon:
-syn keyword markdownEmoticonKeyword :crystal_ball: :cd: :dvd: :floppy_disk: :camera:
-syn keyword markdownEmoticonKeyword :video_camera: :movie_camera: :computer: :tv: :iphone:
-syn keyword markdownEmoticonKeyword :phone: :telephone: :telephone_receiver: :pager: :fax:
-syn keyword markdownEmoticonKeyword :minidisc: :vhs: :sound: :speaker: :mute:
-syn keyword markdownEmoticonKeyword :loudspeaker: :mega: :hourglass: :hourglass_flowing_sand: :alarm_clock:
-syn keyword markdownEmoticonKeyword :watch: :radio: :satellite: :loop: :mag:
-syn keyword markdownEmoticonKeyword :mag_right: :unlock: :lock: :lock_with_ink_pen: :closed_lock_with_key:
-syn keyword markdownEmoticonKeyword :key: :bulb: :flashlight: :high_brightness: :low_brightness:
-syn keyword markdownEmoticonKeyword :electric_plug: :battery: :calling: :email: :mailbox:
-syn keyword markdownEmoticonKeyword :postbox: :bath: :bathtub: :shower: :toilet:
-syn keyword markdownEmoticonKeyword :wrench: :nut_and_bolt: :hammer: :seat: :moneybag:
-syn keyword markdownEmoticonKeyword :yen: :dollar: :pound: :euro: :credit_card:
-syn keyword markdownEmoticonKeyword :money_with_wings: :e-mail: :inbox_tray: :outbox_tray: :envelope:
-syn keyword markdownEmoticonKeyword :incoming_envelope: :postal_horn: :mailbox_closed: :mailbox_with_mail: :mailbox_with_no_mail:
-syn keyword markdownEmoticonKeyword :door: :smoking: :bomb: :gun: :hocho:
-syn keyword markdownEmoticonKeyword :pill: :syringe: :page_facing_up: :page_with_curl: :bookmark_tabs:
-syn keyword markdownEmoticonKeyword :bar_chart: :chart_with_upwards_trend: :chart_with_downwards_trend: :scroll: :clipboard:
-syn keyword markdownEmoticonKeyword :calendar: :date: :card_index: :file_folder: :open_file_folder:
-syn keyword markdownEmoticonKeyword :scissors: :pushpin: :paperclip: :black_nib: :pencil2:
-syn keyword markdownEmoticonKeyword :straight_ruler: :triangular_ruler: :closed_book: :green_book: :blue_book:
-syn keyword markdownEmoticonKeyword :orange_book: :notebook: :notebook_with_decorative_cover: :ledger: :books:
-syn keyword markdownEmoticonKeyword :bookmark: :name_badge: :microscope: :telescope: :newspaper:
-syn keyword markdownEmoticonKeyword :football: :basketball: :soccer: :baseball: :tennis:
-syn keyword markdownEmoticonKeyword :8ball: :rugby_football: :bowling: :golf: :mountain_bicyclist:
-syn keyword markdownEmoticonKeyword :bicyclist: :horse_racing: :snowboarder: :swimmer: :surfer:
-syn keyword markdownEmoticonKeyword :ski: :spades: :hearts: :clubs: :diamonds:
-syn keyword markdownEmoticonKeyword :gem: :ring: :trophy: :musical_score: :musical_keyboard:
-syn keyword markdownEmoticonKeyword :violin: :space_invader: :video_game: :black_joker: :flower_playing_cards:
-syn keyword markdownEmoticonKeyword :game_die: :dart: :mahjong: :clapper: :memo:
-syn keyword markdownEmoticonKeyword :pencil: :book: :art: :microphone: :headphones:
-syn keyword markdownEmoticonKeyword :trumpet: :saxophone: :guitar: :shoe: :sandal:
-syn keyword markdownEmoticonKeyword :high_heel: :lipstick: :boot: :shirt: :tshirt:
-syn keyword markdownEmoticonKeyword :necktie: :womans_clothes: :dress: :running_shirt_with_sash: :jeans:
-syn keyword markdownEmoticonKeyword :kimono: :bikini: :ribbon: :tophat: :crown:
-syn keyword markdownEmoticonKeyword :womans_hat: :mans_shoe: :closed_umbrella: :briefcase: :handbag:
-syn keyword markdownEmoticonKeyword :pouch: :purse: :eyeglasses: :fishing_pole_and_fish: :coffee:
-syn keyword markdownEmoticonKeyword :tea: :sake: :baby_bottle: :beer: :beers:
-syn keyword markdownEmoticonKeyword :cocktail: :tropical_drink: :wine_glass: :fork_and_knife: :pizza:
-syn keyword markdownEmoticonKeyword :hamburger: :fries: :poultry_leg: :meat_on_bone: :spaghetti:
-syn keyword markdownEmoticonKeyword :curry: :fried_shrimp: :bento: :sushi: :fish_cake:
-syn keyword markdownEmoticonKeyword :rice_ball: :rice_cracker: :rice: :ramen: :stew:
-syn keyword markdownEmoticonKeyword :oden: :dango: :egg: :bread: :doughnut:
-syn keyword markdownEmoticonKeyword :custard: :icecream: :ice_cream: :shaved_ice: :birthday:
-syn keyword markdownEmoticonKeyword :cake: :cookie: :chocolate_bar: :candy: :lollipop:
-syn keyword markdownEmoticonKeyword :honey_pot: :apple: :green_apple: :tangerine: :lemon:
-syn keyword markdownEmoticonKeyword :cherries: :grapes: :watermelon: :strawberry: :peach:
-syn keyword markdownEmoticonKeyword :melon: :banana: :pear: :pineapple: :sweet_potato:
-syn keyword markdownEmoticonKeyword :eggplant: :tomato: :corn: :house: :house_with_garden:
-syn keyword markdownEmoticonKeyword :school: :office: :post_office: :hospital: :bank:
-syn keyword markdownEmoticonKeyword :convenience_store: :love_hotel: :hotel: :wedding: :church:
-syn keyword markdownEmoticonKeyword :department_store: :european_post_office: :city_sunrise: :city_sunset: :japanese_castle:
-syn keyword markdownEmoticonKeyword :european_castle: :tent: :factory: :tokyo_tower: :japan:
-syn keyword markdownEmoticonKeyword :mount_fuji: :sunrise_over_mountains: :sunrise: :stars: :statue_of_liberty:
-syn keyword markdownEmoticonKeyword :bridge_at_night: :carousel_horse: :rainbow: :ferris_wheel: :fountain:
-syn keyword markdownEmoticonKeyword :roller_coaster: :ship: :speedboat: :boat: :sailboat:
-syn keyword markdownEmoticonKeyword :rowboat: :anchor: :rocket: :airplane: :helicopter:
-syn keyword markdownEmoticonKeyword :steam_locomotive: :tram: :mountain_railway: :bike: :aerial_tramway:
-syn keyword markdownEmoticonKeyword :suspension_railway: :mountain_cableway: :tractor: :blue_car: :oncoming_automobile:
-syn keyword markdownEmoticonKeyword :car: :red_car: :taxi: :oncoming_taxi: :articulated_lorry:
-syn keyword markdownEmoticonKeyword :bus: :oncoming_bus: :rotating_light: :police_car: :oncoming_police_car:
-syn keyword markdownEmoticonKeyword :fire_engine: :ambulance: :minibus: :truck: :train:
-syn keyword markdownEmoticonKeyword :station: :train2: :bullettrain_front: :bullettrain_side: :light_rail:
-syn keyword markdownEmoticonKeyword :monorail: :railway_car: :trolleybus: :ticket: :fuelpump:
-syn keyword markdownEmoticonKeyword :vertical_traffic_light: :traffic_light: :warning: :construction: :beginner:
-syn keyword markdownEmoticonKeyword :atm: :slot_machine: :busstop: :barber: :hotsprings:
-syn keyword markdownEmoticonKeyword :checkered_flag: :crossed_flags: :izakaya_lantern: :moyai: :circus_tent:
-syn keyword markdownEmoticonKeyword :performing_arts: :round_pushpin: :triangular_flag_on_post: :jp: :kr:
-syn keyword markdownEmoticonKeyword :cn: :us: :fr: :es: :it:
-syn keyword markdownEmoticonKeyword :ru: :gb: :uk: :de: :one:
-syn keyword markdownEmoticonKeyword :two: :three: :four: :five: :six:
-syn keyword markdownEmoticonKeyword :seven: :eight: :nine: :keycap_ten: :1234:
-syn keyword markdownEmoticonKeyword :zero: :hash: :symbols: :arrow_backward: :arrow_down:
-syn keyword markdownEmoticonKeyword :arrow_forward: :arrow_left: :capital_abcd: :abcd: :abc:
-syn keyword markdownEmoticonKeyword :arrow_lower_left: :arrow_lower_right: :arrow_right: :arrow_up: :arrow_upper_left:
-syn keyword markdownEmoticonKeyword :arrow_upper_right: :arrow_double_down: :arrow_double_up: :arrow_down_small: :arrow_heading_down:
-syn keyword markdownEmoticonKeyword :arrow_heading_up: :leftwards_arrow_with_hook: :arrow_right_hook: :left_right_arrow: :arrow_up_down:
-syn keyword markdownEmoticonKeyword :arrow_up_small: :arrows_clockwise: :arrows_counterclockwise: :rewind: :fast_forward:
-syn keyword markdownEmoticonKeyword :information_source: :ok: :twisted_rightwards_arrows: :repeat: :repeat_one:
-syn keyword markdownEmoticonKeyword :new: :top: :up: :cool: :free:
-syn keyword markdownEmoticonKeyword :ng: :cinema: :koko: :signal_strength: :u5272:
-syn keyword markdownEmoticonKeyword :u5408: :u55b6: :u6307: :u6708: :u6709:
-syn keyword markdownEmoticonKeyword :u6e80: :u7121: :u7533: :u7a7a: :u7981:
-syn keyword markdownEmoticonKeyword :sa: :restroom: :mens: :womens: :baby_symbol:
-syn keyword markdownEmoticonKeyword :no_smoking: :parking: :wheelchair: :metro: :baggage_claim:
-syn keyword markdownEmoticonKeyword :accept: :wc: :potable_water: :put_litter_in_its_place: :secret:
-syn keyword markdownEmoticonKeyword :congratulations: :m: :passport_control: :left_luggage: :customs:
-syn keyword markdownEmoticonKeyword :ideograph_advantage: :cl: :sos: :id: :no_entry_sign:
-syn keyword markdownEmoticonKeyword :underage: :no_mobile_phones: :do_not_litter: :non-potable_water: :no_bicycles:
-syn keyword markdownEmoticonKeyword :no_pedestrians: :children_crossing: :no_entry: :eight_spoked_asterisk: :eight_pointed_black_star:
-syn keyword markdownEmoticonKeyword :heart_decoration: :vs: :vibration_mode: :mobile_phone_off: :chart:
-syn keyword markdownEmoticonKeyword :currency_exchange: :aries: :taurus: :gemini: :cancer:
-syn keyword markdownEmoticonKeyword :leo: :virgo: :libra: :scorpius: :sagittarius:
-syn keyword markdownEmoticonKeyword :capricorn: :aquarius: :pisces: :ophiuchus: :six_pointed_star:
-syn keyword markdownEmoticonKeyword :negative_squared_cross_mark: :a: :b: :ab: :o2:
-syn keyword markdownEmoticonKeyword :diamond_shape_with_a_dot_inside: :recycle: :end: :on: :soon:
-syn keyword markdownEmoticonKeyword :clock1: :clock130: :clock10: :clock1030: :clock11:
-syn keyword markdownEmoticonKeyword :clock1130: :clock12: :clock1230: :clock2: :clock230:
-syn keyword markdownEmoticonKeyword :clock3: :clock330: :clock4: :clock430: :clock5:
-syn keyword markdownEmoticonKeyword :clock530: :clock6: :clock630: :clock7: :clock730:
-syn keyword markdownEmoticonKeyword :clock8: :clock830: :clock9: :clock930: :heavy_dollar_sign:
-syn keyword markdownEmoticonKeyword :copyright: :registered: :tm: :x: :heavy_exclamation_mark:
-syn keyword markdownEmoticonKeyword :bangbang: :interrobang: :o: :heavy_multiplication_x: :heavy_plus_sign:
-syn keyword markdownEmoticonKeyword :heavy_minus_sign: :heavy_division_sign: :white_flower: :100: :heavy_check_mark:
-syn keyword markdownEmoticonKeyword :ballot_box_with_check: :radio_button: :link: :curly_loop: :wavy_dash:
-syn keyword markdownEmoticonKeyword :part_alternation_mark: :trident: :black_square: :white_square: :white_check_mark:
-syn keyword markdownEmoticonKeyword :black_square_button: :white_square_button: :black_circle: :white_circle: :red_circle:
-syn keyword markdownEmoticonKeyword :large_blue_circle: :large_blue_diamond: :large_orange_diamond: :small_blue_diamond: :small_orange_diamond:
-syn keyword markdownEmoticonKeyword :small_red_triangle: :small_red_triangle_down: :shipit: :relaxed: :smirk:
-syn keyword markdownEmoticonKeyword :heart_eyes: :kissing_heart: :kissing_closed_eyes: :flushed: :relieved:
-syn keyword markdownEmoticonKeyword :satisfied: :grin: :wink: :stuck_out_tongue_winking_eye: :stuck_out_tongue_closed_eyes:
-syn keyword markdownEmoticonKeyword :grinning: :kissing: :kissing_smiling_eyes: :stuck_out_tongue: :sleeping:
-syn keyword markdownEmoticonKeyword :worried: :frowning: :anguished: :open_mouth: :grimacing:
-syn keyword markdownEmoticonKeyword :confused: :hushed: :expressionless: :unamused: :sweat_smile:
-syn keyword markdownEmoticonKeyword :sweat: :disappointed_relieved: :weary: :pensive: :disappointed:
-syn keyword markdownEmoticonKeyword :confounded: :fearful: :cold_sweat: :persevere: :cry:
-syn keyword markdownEmoticonKeyword :sob: :joy: :astonished: :scream: :neckbeard:
-syn keyword markdownEmoticonKeyword :tired_face: :angry: :rage: :triumph: :sleepy:
-syn keyword markdownEmoticonKeyword :yum: :mask: :sunglasses: :dizzy_face: :imp:
-syn keyword markdownEmoticonKeyword :smiling_imp: :neutral_face: :no_mouth: :innocent: :alien:
-syn keyword markdownEmoticonKeyword :yellow_heart: :blue_heart: :purple_heart: :heart: :green_heart:
-syn keyword markdownEmoticonKeyword :broken_heart: :heartbeat: :heartpulse: :two_hearts: :revolving_hearts:
-syn keyword markdownEmoticonKeyword :cupid: :sparkling_heart: :sparkles: :star: :star2:
-syn keyword markdownEmoticonKeyword :dizzy: :boom: :collision: :anger: :exclamation:
-syn keyword markdownEmoticonKeyword :question: :grey_exclamation: :grey_question: :zzz: :dash:
-syn keyword markdownEmoticonKeyword :sweat_drops: :notes: :musical_note: :fire: :hankey:
-syn keyword markdownEmoticonKeyword :poop: :shit: :+1: :thumbsup: :-1:
-syn keyword markdownEmoticonKeyword :thumbsdown: :ok_hand: :punch: :facepunch: :fist:
-syn keyword markdownEmoticonKeyword :v: :wave: :hand: :raised_hand: :open_hands:
-syn keyword markdownEmoticonKeyword :point_up: :point_down: :point_left: :point_right: :raised_hands:
-syn keyword markdownEmoticonKeyword :pray: :point_up_2: :clap: :muscle: :metal:
-syn keyword markdownEmoticonKeyword :fu: :walking: :runner: :running: :couple:
-syn keyword markdownEmoticonKeyword :family: :two_men_holding_hands: :two_women_holding_hands: :dancer: :dancers:
-syn keyword markdownEmoticonKeyword :ok_woman: :no_good: :information_desk_person: :raising_hand: :bride_with_veil:
-syn keyword markdownEmoticonKeyword :person_with_pouting_face: :person_frowning: :bow: :couplekiss: :couple_with_heart:
-syn keyword markdownEmoticonKeyword :massage: :haircut: :nail_care: :boy: :girl:
-syn keyword markdownEmoticonKeyword :woman: :man: :baby: :older_woman: :older_man:
-syn keyword markdownEmoticonKeyword :person_with_blond_hair: :man_with_gua_pi_mao: :man_with_turban: :construction_worker: :cop:
-syn keyword markdownEmoticonKeyword :angel: :princess: :smiley_cat: :smile_cat: :heart_eyes_cat:
-syn keyword markdownEmoticonKeyword :kissing_cat: :smirk_cat: :scream_cat: :crying_cat_face: :joy_cat:
-syn keyword markdownEmoticonKeyword :pouting_cat: :japanese_ogre: :japanese_goblin: :see_no_evil: :hear_no_evil:
-syn keyword markdownEmoticonKeyword :speak_no_evil: :guardsman: :skull: :feet: :lips:
-syn keyword markdownEmoticonKeyword :kiss: :droplet: :ear: :eyes: :nose:
-syn keyword markdownEmoticonKeyword :tongue: :love_letter: :bust_in_silhouette: :busts_in_silhouette: :speech_balloon:
-syn keyword markdownEmoticonKeyword :thought_balloon: :feelsgood: :finnadie: :goberserk: :godmode:
-syn keyword markdownEmoticonKeyword :hurtrealbad: :rage1: :rage2: :rage3: :rage4:
-syn keyword markdownEmoticonKeyword :suspect: :trollface: :sunny: :umbrella: :cloud:
-syn keyword markdownEmoticonKeyword :snowflake: :snowman: :zap: :cyclone: :foggy:
-syn keyword markdownEmoticonKeyword :ocean: :cat: :dog: :mouse: :hamster:
-syn keyword markdownEmoticonKeyword :rabbit: :wolf: :frog: :tiger: :koala:
-syn keyword markdownEmoticonKeyword :bear: :pig: :pig_nose: :cow: :boar:
-syn keyword markdownEmoticonKeyword :monkey_face: :monkey: :horse: :racehorse: :camel:
-syn keyword markdownEmoticonKeyword :sheep: :elephant: :panda_face: :snake: :bird:
-syn keyword markdownEmoticonKeyword :baby_chick: :hatched_chick: :hatching_chick: :chicken: :penguin:
-syn keyword markdownEmoticonKeyword :turtle: :bug: :honeybee: :ant: :beetle:
-syn keyword markdownEmoticonKeyword :snail: :octopus: :tropical_fish: :fish: :whale:
-syn keyword markdownEmoticonKeyword :whale2: :dolphin: :cow2: :ram: :rat:
-syn keyword markdownEmoticonKeyword :water_buffalo: :tiger2: :rabbit2: :dragon: :goat:
-syn keyword markdownEmoticonKeyword :rooster: :dog2: :pig2: :mouse2: :ox:
-syn keyword markdownEmoticonKeyword :dragon_face: :blowfish: :crocodile: :dromedary_camel: :leopard:
-syn keyword markdownEmoticonKeyword :cat2: :poodle: :paw_prints: :bouquet: :cherry_blossom:
-syn keyword markdownEmoticonKeyword :tulip: :four_leaf_clover: :rose: :sunflower: :hibiscus:
-syn keyword markdownEmoticonKeyword :maple_leaf: :leaves: :fallen_leaf: :herb: :mushroom:
-syn keyword markdownEmoticonKeyword :cactus: :palm_tree: :evergreen_tree: :deciduous_tree: :chestnut:
-syn keyword markdownEmoticonKeyword :seedling: :blossom: :ear_of_rice: :shell: :globe_with_meridians:
-syn keyword markdownEmoticonKeyword :sun_with_face: :full_moon_with_face: :new_moon_with_face: :new_moon: :waxing_crescent_moon:
-syn keyword markdownEmoticonKeyword :first_quarter_moon: :waxing_gibbous_moon: :full_moon: :waning_gibbous_moon: :last_quarter_moon:
-syn keyword markdownEmoticonKeyword :waning_crescent_moon: :last_quarter_moon_with_face: :first_quarter_moon_with_face: :moon: :earth_africa:
-syn keyword markdownEmoticonKeyword :earth_americas: :earth_asia: :volcano: :milky_way: :partly_sunny:
-syn keyword markdownEmoticonKeyword :octocat: :squirrel: :bamboo: :gift_heart: :dolls:
-syn keyword markdownEmoticonKeyword :school_satchel: :mortar_board: :flags: :fireworks: :sparkler:
-syn keyword markdownEmoticonKeyword :wind_chime: :rice_scene: :jack_o_lantern: :ghost: :santa:
-syn keyword markdownEmoticonKeyword :christmas_tree: :gift: :bell: :no_bell: :tanabata_tree:
-syn keyword markdownEmoticonKeyword :tada: :confetti_ball: :balloon: :crystal_ball: :cd:
-syn keyword markdownEmoticonKeyword :dvd: :floppy_disk: :camera: :video_camera: :movie_camera:
-syn keyword markdownEmoticonKeyword :computer: :tv: :iphone: :phone: :telephone:
-syn keyword markdownEmoticonKeyword :telephone_receiver: :pager: :fax: :minidisc: :vhs:
-syn keyword markdownEmoticonKeyword :sound: :speaker: :mute: :loudspeaker: :mega:
-syn keyword markdownEmoticonKeyword :hourglass: :hourglass_flowing_sand: :alarm_clock: :watch: :radio:
-syn keyword markdownEmoticonKeyword :satellite: :loop: :mag: :mag_right: :unlock:
-syn keyword markdownEmoticonKeyword :lock: :lock_with_ink_pen: :closed_lock_with_key: :key: :bulb:
-syn keyword markdownEmoticonKeyword :flashlight: :high_brightness: :low_brightness: :electric_plug: :battery:
-syn keyword markdownEmoticonKeyword :calling: :email: :mailbox: :postbox: :bath:
-syn keyword markdownEmoticonKeyword :bathtub: :shower: :toilet: :wrench: :nut_and_bolt:
-syn keyword markdownEmoticonKeyword :hammer: :seat: :moneybag: :yen: :dollar:
-syn keyword markdownEmoticonKeyword :pound: :euro: :credit_card: :money_with_wings: :e-mail:
-syn keyword markdownEmoticonKeyword :inbox_tray: :outbox_tray: :envelope: :incoming_envelope: :postal_horn:
-syn keyword markdownEmoticonKeyword :mailbox_closed: :mailbox_with_mail: :mailbox_with_no_mail: :door: :smoking:
-syn keyword markdownEmoticonKeyword :bomb: :gun: :hocho: :pill: :syringe:
-syn keyword markdownEmoticonKeyword :page_facing_up: :page_with_curl: :bookmark_tabs: :bar_chart: :chart_with_upwards_trend:
-syn keyword markdownEmoticonKeyword :chart_with_downwards_trend: :scroll: :clipboard: :calendar: :date:
-syn keyword markdownEmoticonKeyword :card_index: :file_folder: :open_file_folder: :scissors: :pushpin:
-syn keyword markdownEmoticonKeyword :paperclip: :black_nib: :pencil2: :straight_ruler: :triangular_ruler:
-syn keyword markdownEmoticonKeyword :closed_book: :green_book: :blue_book: :orange_book: :notebook:
-syn keyword markdownEmoticonKeyword :notebook_with_decorative_cover: :ledger: :books: :bookmark: :name_badge:
-syn keyword markdownEmoticonKeyword :microscope: :telescope: :newspaper: :football: :basketball:
-syn keyword markdownEmoticonKeyword :soccer: :baseball: :tennis: :8ball: :rugby_football:
-syn keyword markdownEmoticonKeyword :bowling: :golf: :mountain_bicyclist: :bicyclist: :horse_racing:
-syn keyword markdownEmoticonKeyword :snowboarder: :swimmer: :surfer: :ski: :spades:
-syn keyword markdownEmoticonKeyword :hearts: :clubs: :diamonds: :gem: :ring:
-syn keyword markdownEmoticonKeyword :trophy: :musical_score: :musical_keyboard: :violin: :space_invader:
-syn keyword markdownEmoticonKeyword :video_game: :black_joker: :flower_playing_cards: :game_die: :dart:
-syn keyword markdownEmoticonKeyword :mahjong: :clapper: :memo: :pencil: :book:
-syn keyword markdownEmoticonKeyword :art: :microphone: :headphones: :trumpet: :saxophone:
-syn keyword markdownEmoticonKeyword :guitar: :shoe: :sandal: :high_heel: :lipstick:
-syn keyword markdownEmoticonKeyword :boot: :shirt: :tshirt: :necktie: :womans_clothes:
-syn keyword markdownEmoticonKeyword :dress: :running_shirt_with_sash: :jeans: :kimono: :bikini:
-syn keyword markdownEmoticonKeyword :ribbon: :tophat: :crown: :womans_hat: :mans_shoe:
-syn keyword markdownEmoticonKeyword :closed_umbrella: :briefcase: :handbag: :pouch: :purse:
-syn keyword markdownEmoticonKeyword :eyeglasses: :fishing_pole_and_fish: :coffee: :tea: :sake:
-syn keyword markdownEmoticonKeyword :baby_bottle: :beer: :beers: :cocktail: :tropical_drink:
-syn keyword markdownEmoticonKeyword :wine_glass: :fork_and_knife: :pizza: :hamburger: :fries:
-syn keyword markdownEmoticonKeyword :poultry_leg: :meat_on_bone: :spaghetti: :curry: :fried_shrimp:
-syn keyword markdownEmoticonKeyword :bento: :sushi: :fish_cake: :rice_ball: :rice_cracker:
-syn keyword markdownEmoticonKeyword :rice: :ramen: :stew: :oden: :dango:
-syn keyword markdownEmoticonKeyword :egg: :bread: :doughnut: :custard: :icecream:
-syn keyword markdownEmoticonKeyword :ice_cream: :shaved_ice: :birthday: :cake: :cookie:
-syn keyword markdownEmoticonKeyword :chocolate_bar: :candy: :lollipop: :honey_pot: :apple:
-syn keyword markdownEmoticonKeyword :green_apple: :tangerine: :lemon: :cherries: :grapes:
-syn keyword markdownEmoticonKeyword :watermelon: :strawberry: :peach: :melon: :banana:
-syn keyword markdownEmoticonKeyword :pear: :pineapple: :sweet_potato: :eggplant: :tomato:
-syn keyword markdownEmoticonKeyword :corn: :house: :house_with_garden: :school: :office:
-syn keyword markdownEmoticonKeyword :post_office: :hospital: :bank: :convenience_store: :love_hotel:
-syn keyword markdownEmoticonKeyword :hotel: :wedding: :church: :department_store: :european_post_office:
-syn keyword markdownEmoticonKeyword :city_sunrise: :city_sunset: :japanese_castle: :european_castle: :tent:
-syn keyword markdownEmoticonKeyword :factory: :tokyo_tower: :japan: :mount_fuji: :sunrise_over_mountains:
-syn keyword markdownEmoticonKeyword :sunrise: :stars: :statue_of_liberty: :bridge_at_night: :carousel_horse:
-syn keyword markdownEmoticonKeyword :rainbow: :ferris_wheel: :fountain: :roller_coaster: :ship:
-syn keyword markdownEmoticonKeyword :speedboat: :boat: :sailboat: :rowboat: :anchor:
-syn keyword markdownEmoticonKeyword :rocket: :airplane: :helicopter: :steam_locomotive: :tram:
-syn keyword markdownEmoticonKeyword :mountain_railway: :bike: :aerial_tramway: :suspension_railway: :mountain_cableway:
-syn keyword markdownEmoticonKeyword :tractor: :blue_car: :oncoming_automobile: :car: :red_car:
-syn keyword markdownEmoticonKeyword :taxi: :oncoming_taxi: :articulated_lorry: :bus: :oncoming_bus:
-syn keyword markdownEmoticonKeyword :rotating_light: :police_car: :oncoming_police_car: :fire_engine: :ambulance:
-syn keyword markdownEmoticonKeyword :minibus: :truck: :train: :station: :train2:
-syn keyword markdownEmoticonKeyword :bullettrain_front: :bullettrain_side: :light_rail: :monorail: :railway_car:
-syn keyword markdownEmoticonKeyword :trolleybus: :ticket: :fuelpump: :vertical_traffic_light: :traffic_light:
-syn keyword markdownEmoticonKeyword :warning: :construction: :beginner: :atm: :slot_machine:
-syn keyword markdownEmoticonKeyword :busstop: :barber: :hotsprings: :checkered_flag: :crossed_flags:
-syn keyword markdownEmoticonKeyword :izakaya_lantern: :moyai: :circus_tent: :performing_arts: :round_pushpin:
-syn keyword markdownEmoticonKeyword :triangular_flag_on_post: :jp: :kr: :cn: :us:
-syn keyword markdownEmoticonKeyword :fr: :es: :it: :ru: :gb:
-syn keyword markdownEmoticonKeyword :uk: :de: :one: :two: :three:
-syn keyword markdownEmoticonKeyword :four: :five: :six: :seven: :eight:
-syn keyword markdownEmoticonKeyword :nine: :keycap_ten: :1234: :zero: :hash:
-syn keyword markdownEmoticonKeyword :symbols: :arrow_backward: :arrow_down: :arrow_forward: :arrow_left:
-syn keyword markdownEmoticonKeyword :capital_abcd: :abcd: :abc: :arrow_lower_left: :arrow_lower_right:
-syn keyword markdownEmoticonKeyword :arrow_right: :arrow_up: :arrow_upper_left: :arrow_upper_right: :arrow_double_down:
-syn keyword markdownEmoticonKeyword :arrow_double_up: :arrow_down_small: :arrow_heading_down: :arrow_heading_up: :leftwards_arrow_with_hook:
-syn keyword markdownEmoticonKeyword :arrow_right_hook: :left_right_arrow: :arrow_up_down: :arrow_up_small: :arrows_clockwise:
-syn keyword markdownEmoticonKeyword :arrows_counterclockwise: :rewind: :fast_forward: :information_source: :ok:
-syn keyword markdownEmoticonKeyword :twisted_rightwards_arrows: :repeat: :repeat_one: :new: :top:
-syn keyword markdownEmoticonKeyword :up: :cool: :free: :ng: :cinema:
-syn keyword markdownEmoticonKeyword :koko: :signal_strength: :u5272: :u5408: :u55b6:
-syn keyword markdownEmoticonKeyword :u6307: :u6708: :u6709: :u6e80: :u7121:
-syn keyword markdownEmoticonKeyword :u7533: :u7a7a: :u7981: :sa: :restroom:
-syn keyword markdownEmoticonKeyword :mens: :womens: :baby_symbol: :no_smoking: :parking:
-syn keyword markdownEmoticonKeyword :wheelchair: :metro: :baggage_claim: :accept: :wc:
-syn keyword markdownEmoticonKeyword :potable_water: :put_litter_in_its_place: :secret: :congratulations: :m:
-syn keyword markdownEmoticonKeyword :passport_control: :left_luggage: :customs: :ideograph_advantage: :cl:
-syn keyword markdownEmoticonKeyword :sos: :id: :no_entry_sign: :underage: :no_mobile_phones:
-syn keyword markdownEmoticonKeyword :do_not_litter: :non-potable_water: :no_bicycles: :no_pedestrians: :children_crossing:
-syn keyword markdownEmoticonKeyword :no_entry: :eight_spoked_asterisk: :eight_pointed_black_star: :heart_decoration: :vs:
-syn keyword markdownEmoticonKeyword :vibration_mode: :mobile_phone_off: :chart: :currency_exchange: :aries:
-syn keyword markdownEmoticonKeyword :taurus: :gemini: :cancer: :leo: :virgo:
-syn keyword markdownEmoticonKeyword :libra: :scorpius: :sagittarius: :capricorn: :aquarius:
-syn keyword markdownEmoticonKeyword :pisces: :ophiuchus: :six_pointed_star: :negative_squared_cross_mark: :a:
-syn keyword markdownEmoticonKeyword :b: :ab: :o2: :diamond_shape_with_a_dot_inside: :recycle:
-syn keyword markdownEmoticonKeyword :end: :on: :soon: :clock1: :clock130:
-syn keyword markdownEmoticonKeyword :clock10: :clock1030: :clock11: :clock1130: :clock12:
-syn keyword markdownEmoticonKeyword :clock1230: :clock2: :clock230: :clock3: :clock330:
-syn keyword markdownEmoticonKeyword :clock4: :clock430: :clock5: :clock530: :clock6:
-syn keyword markdownEmoticonKeyword :clock630: :clock7: :clock730: :clock8: :clock830:
-syn keyword markdownEmoticonKeyword :clock9: :clock930: :heavy_dollar_sign: :copyright: :registered:
-syn keyword markdownEmoticonKeyword :tm: :x: :heavy_exclamation_mark: :bangbang: :interrobang:
-syn keyword markdownEmoticonKeyword :o: :heavy_multiplication_x: :heavy_plus_sign: :heavy_minus_sign: :heavy_division_sign:
-syn keyword markdownEmoticonKeyword :white_flower: :100: :heavy_check_mark: :ballot_box_with_check: :radio_button:
-syn keyword markdownEmoticonKeyword :link: :curly_loop: :wavy_dash: :part_alternation_mark: :trident:
-syn keyword markdownEmoticonKeyword :black_square: :white_square: :white_check_mark: :black_square_button: :white_square_button:
-syn keyword markdownEmoticonKeyword :black_circle: :white_circle: :red_circle: :large_blue_circle: :large_blue_diamond:
-syn keyword markdownEmoticonKeyword :large_orange_diamond: :small_blue_diamond: :small_orange_diamond: :small_red_triangle: :small_red_triangle_down:
-syn keyword markdownEmoticonKeyword :shipit:
-
-" }}}
-
-
-" {{{ HIGHLIGHT DEFINITION
-
-hi def Italic                       term=italic cterm=italic gui=italic
-hi def Bold                         term=bold cterm=bold gui=bold
-hi def BoldItalic                   term=bold,italic cterm=bold,italic gui=bold,italic
-
-hi def link markdownItalic                  Italic
-hi def link markdownBold                    Bold
-hi def link markdownBoldItalic              BoldItalic
-
-hi def link markdownPullRequestLinkInText   Underlined
-hi def link markdownUserLinkInText          Underlined
-hi def link markdownUrlLinkInText           Underlined
-hi def link markdownEmailLinkInText         Underlined
-
-hi def link markdownLinkText                Underlined
-hi def link markdownLinkUrl                 Underlined
-hi def link markdownLinkTitleSingleQuoted   Bold
-hi def link markdownLinkTitleDoubleQuoted   Bold
-hi def link markdownLinkUrlContainer        Delimiter
-hi def link markdownLinkTextContainer       Delimiter
-hi def link markdownLinkReference           NonText
-
-hi def link markdownCodeDelimiter           Delimiter
-hi def link markdownInlineCode              String
-hi def link markdownFencedCodeBlock         String
-hi def link markdownCodeBlock               String
-
-hi def link markdownTableDelimiter          Delimiter
-hi def link markdownTableHeader             Bold
-
-hi def link markdownStrike                  NonText
-hi def link markdownStrikeDelimiter         Delimiter
-hi def link markdownBlockquote              Comment
-hi def link markdownBlockquoteDelimiter     Delimiter
-hi def link markdownInlineDelimiter         Delimiter
-hi def link markdownListDelimiter           Delimiter
-
-hi def link markdownHeaderId                Delimiter
-hi def link markdownHeadingDelimiter        Delimiter
-hi def link markdownHeadingUnderline        Delimiter
-hi def link markdownHeader                  Title
-hi def link markdownH1                      Title
-hi def link markdownH2                      Title
-hi def link markdownH3                      Title
-hi def link markdownH4                      Title
-hi def link markdownH5                      Title
-hi def link markdownH6                      Title
-
-hi def link markdownEmoticonKeyword         Statement
-hi def link markdownRule                    Identifier
-
-hi def link markdownXmlComment              NonText
-hi def link markdownXmlElement              NonText
-hi def link markdownXmlEmptyElement         NonText
-hi def link markdownXmlEntities             Special
+" additions to HTML groups
+if get(g:, 'vim_markdown_emphasis_multiline', 1)
+    let s:oneline = ''
+else
+    let s:oneline = ' oneline'
+endif
+syn region mkdItalic matchgroup=mkdItalic start="\%(\*\|_\)"    end="\%(\*\|_\)"
+syn region mkdBold matchgroup=mkdBold start="\%(\*\*\|__\)"    end="\%(\*\*\|__\)"
+syn region mkdBoldItalic matchgroup=mkdBoldItalic start="\%(\*\*\*\|___\)"    end="\%(\*\*\*\|___\)"
+execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs\*\ze[^\\\*\t ]\%(\%([^*]\|\\\*\|\n\)*[^\\\*\t ]\)\?\*\_W" end="[^\\\*\t ]\zs\*\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
+execute 'syn region htmlItalic matchgroup=mkdItalic start="\%(^\|\s\)\zs_\ze[^\\_\t ]" end="[^\\_\t ]\zs_\ze\_W" keepend contains=@Spell' . s:oneline . s:concealends
+execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs\*\*\ze\S" end="\S\zs\*\*" keepend contains=@Spell' . s:oneline . s:concealends
+execute 'syn region htmlBold matchgroup=mkdBold start="\%(^\|\s\)\zs__\ze\S" end="\S\zs__" keepend contains=@Spell' . s:oneline . s:concealends
+execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs\*\*\*\ze\S" end="\S\zs\*\*\*" keepend contains=@Spell' . s:oneline . s:concealends
+execute 'syn region htmlBoldItalic matchgroup=mkdBoldItalic start="\%(^\|\s\)\zs___\ze\S" end="\S\zs___" keepend contains=@Spell' . s:oneline . s:concealends
+
+" [link](URL) | [link][id] | [link][] | ![image](URL)
+syn region mkdFootnotes matchgroup=mkdDelimiter start="\[^"    end="\]"
+execute 'syn region mkdID matchgroup=mkdDelimiter    start="\["    end="\]" contained oneline' . s:conceal
+execute 'syn region mkdURL matchgroup=mkdDelimiter   start="("     end=")"  contained oneline' . s:conceal
+execute 'syn region mkdLink matchgroup=mkdDelimiter  start="\\\@<!!\?\[\ze[^]\n]*\n\?[^]\n]*\][[(]" end="\]" contains=@mkdNonListItem,@Spell nextgroup=mkdURL,mkdID skipwhite' . s:concealends
+
+" Autolink without angle brackets.
+" mkd  inline links:      protocol     optional  user:pass@  sub/domain                    .com, .co.uk, etc         optional port   path/querystring/hash fragment
+"                         ------------ _____________________ ----------------------------- _________________________ ----------------- __
+syn match   mkdInlineURL /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
+
+" Autolink with parenthesis.
+syn region  mkdInlineURL matchgroup=mkdDelimiter start="(\(https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z0-9][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*)\)\@=" end=")"
+
+" Autolink with angle brackets.
+syn region mkdInlineURL matchgroup=mkdDelimiter start="\\\@<!<\ze[a-z][a-z0-9,.-]\{1,22}:\/\/[^> ]*>" end=">"
+
+" Link definitions: [id]: URL (Optional Title)
+syn region mkdLinkDef matchgroup=mkdDelimiter   start="^ \{,3}\zs\[\^\@!" end="]:" oneline nextgroup=mkdLinkDefTarget skipwhite
+syn region mkdLinkDefTarget start="<\?\zs\S" excludenl end="\ze[>[:space:]\n]"   contained nextgroup=mkdLinkTitle,mkdLinkDef skipwhite skipnl oneline
+syn region mkdLinkTitle matchgroup=mkdDelimiter start=+"+     end=+"+  contained
+syn region mkdLinkTitle matchgroup=mkdDelimiter start=+'+     end=+'+  contained
+syn region mkdLinkTitle matchgroup=mkdDelimiter start=+(+     end=+)+  contained
+
+"HTML headings
+syn region htmlH1       matchgroup=mkdHeading     start="^\s*#"                   end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH2       matchgroup=mkdHeading     start="^\s*##"                  end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH3       matchgroup=mkdHeading     start="^\s*###"                 end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH4       matchgroup=mkdHeading     start="^\s*####"                end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH5       matchgroup=mkdHeading     start="^\s*#####"               end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn region htmlH6       matchgroup=mkdHeading     start="^\s*######"              end="$" contains=mkdLink,mkdInlineURL,@Spell
+syn match  htmlH1       /^.\+\n=\+$/ contains=mkdLink,mkdInlineURL,@Spell
+syn match  htmlH2       /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
+
+"define Markdown groups
+syn match  mkdLineBreak    /  \+$/
+syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/`/'  . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/``/' . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/      end=/^\s*\z1\~*\s*$/'           . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<pre[^>]*\\\@<!>"                            end="</pre>"'                   . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<code[^>]*\\\@<!>"                           end="</code>"'                  . s:concealcode
+syn region mkdFootnote     start="\[^"                     end="\]"
+syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
+syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
+syn match  mkdCode         /^\s*\n\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/ contained
+syn match  mkdListItem     /^\s*\%([-*+]\|\d\+\.\)\ze\s\+/ contained
+syn region mkdListItemLine start="^\s*\%([-*+]\|\d\+\.\)\s\+" end="$" oneline contains=@mkdNonListItem,mkdListItem,@Spell
+syn region mkdNonListItemBlock start="\(\%^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@!\|\n\(\_^\_$\|\s\{4,}[^ ]\|\t+[^\t]\)\@!\)" end="^\(\s*\([-*+]\|\d\+\.\)\s\+\)\@=" contains=@mkdNonListItem,@Spell
+syn match  mkdRule         /^\s*\*\s\{0,1}\*\s\{0,1}\*\(\*\|\s\)*$/
+syn match  mkdRule         /^\s*-\s\{0,1}-\s\{0,1}-\(-\|\s\)*$/
+syn match  mkdRule         /^\s*_\s\{0,1}_\s\{0,1}_\(_\|\s\)*$/
+
+" YAML frontmatter
+if get(g:, 'vim_markdown_frontmatter', 0)
+  syn include @yamlTop syntax/yaml.vim
+  syn region Comment matchgroup=mkdDelimiter start="\%^---$" end="^\(---\|\.\.\.\)$" contains=@yamlTop keepend
+  unlet! b:current_syntax
+endif
 
-" }}}
+if get(g:, 'vim_markdown_toml_frontmatter', 0)
+  try
+    syn include @tomlTop syntax/toml.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$" transparent contains=@tomlTop keepend
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^+++$" end="^+++$"
+  endtry
+endif
 
+if get(g:, 'vim_markdown_json_frontmatter', 0)
+  try
+    syn include @jsonTop syntax/json.vim
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$" contains=@jsonTop keepend
+    unlet! b:current_syntax
+  catch /E484/
+    syn region Comment matchgroup=mkdDelimiter start="\%^{$" end="^}$"
+  endtry
+endif
 
-if !exists('g:markdown_include_jekyll_support') || g:markdown_include_jekyll_support
-  execute 'runtime! syntax/markdown_jekyll.vim'
+if get(g:, 'vim_markdown_math', 0)
+  syn include @tex syntax/tex.vim
+  syn region mkdMath start="\\\@<!\$" end="\$" skip="\\\$" contains=@tex keepend
+  syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
 endif
 
-let b:current_syntax = "markdown"
-if main_syntax ==# 'markdown'
-  unlet main_syntax
+" Strike through
+if get(g:, 'vim_markdown_strikethrough', 0)
+    execute 'syn region mkdStrike matchgroup=htmlStrike start="\%(\~\~\)" end="\%(\~\~\)"' . s:concealends
+    HtmlHiLink mkdStrike        htmlStrike
 endif
 
+syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath,mkdStrike
+
+"highlighting for Markdown groups
+HtmlHiLink mkdString        String
+HtmlHiLink mkdCode          String
+HtmlHiLink mkdCodeDelimiter String
+HtmlHiLink mkdCodeStart     String
+HtmlHiLink mkdCodeEnd       String
+HtmlHiLink mkdFootnote      Comment
+HtmlHiLink mkdBlockquote    Comment
+HtmlHiLink mkdListItem      Identifier
+HtmlHiLink mkdRule          Identifier
+HtmlHiLink mkdLineBreak     Visual
+HtmlHiLink mkdFootnotes     htmlLink
+HtmlHiLink mkdLink          htmlLink
+HtmlHiLink mkdURL           htmlString
+HtmlHiLink mkdInlineURL     htmlLink
+HtmlHiLink mkdID            Identifier
+HtmlHiLink mkdLinkDef       mkdID
+HtmlHiLink mkdLinkDefTarget mkdURL
+HtmlHiLink mkdLinkTitle     htmlString
+HtmlHiLink mkdDelimiter     Delimiter
+
+let b:current_syntax = "mkd"
+
+delcommand HtmlHiLink
+" vim: ts=8
+
 endif
diff --git a/syntax/markdown_jekyll.vim b/syntax/markdown_jekyll.vim
deleted file mode 100644
index 68bf549b..00000000
--- a/syntax/markdown_jekyll.vim
+++ /dev/null
@@ -1,34 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
-
-let b:markdown_in_jekyll=0
-
-if getline(1) =~ '^---\s*$'
-  let b:markdown_in_jekyll=1
-
-  syn region markdownJekyllFrontMatter matchgroup=markdownJekyllDelimiter contains=@NoSpell
-    \ start="\%^---" end="^---$"
-
-  syn region markdownJekyllLiquidTag matchgroup=markdownJekyllDelimiter contains=@NoSpell oneline
-    \ start="{%" end="%}"
-
-  syn region markdownJekyllLiquidOutputTag matchgroup=markdownJekyllDelimiter contains=@NoSpell oneline
-    \ start="{{" skip=/"}}"/ end="}}"
-
-  syn region markdownJekyllLiquidBlockTag matchgroup=markdownJekyllDelimiter contains=@NoSpell
-    \ start="{%\s*\z(comment\|raw\|highlight\)[^%]*%}" end="{%\s*\%(no\|end\)\z1\s*%}"
-
-  silent spell! nocomment
-  silent spell! endcomment
-  silent spell! nohighlight
-  silent spell! endhighlight
-  silent spell! noraw
-  silent spell! endraw
-
-  hi def link markdownJekyllFrontMatter         NonText
-  hi def link markdownJekyllLiquidTag           NonText
-  hi def link markdownJekyllLiquidOutputTag     NonText
-  hi def link markdownJekyllLiquidBlockTag      NonText
-  hi def link markdownJekyllDelimiter           Delimiter
-endif
-
-endif