Merge pull request #397 from sim590/inexact-ft-match-syntax-hl

ftplugin: syntax highlighting for fts *markdown*

diff --combined ftplugin/markdown.vim
index 659df91727c09c2feb838d1222ed78e4447cec01,2c83000e43f06737ae4e220eb7b64c9b8471289b..989aef83bd356bd2129c6297d7be44744cd104a5
--- 1/ftplugin/markdown.vim
--- 2/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@@ -734,7 -734,7 +734,7 @@@ function! s:MarkdownHighlightSources(fo
                  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) ? ' concealends' : '')
 +            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
@@@ -768,13 -768,13 +768,13 @@@ endfunctio
  
  
  function! s:MarkdownRefreshSyntax(force)
-     if &filetype == 'markdown' && line('$') > 1
+     if &filetype =~ 'markdown' && line('$') > 1
          call s:MarkdownHighlightSources(a:force)
      endif
  endfunction
  
  function! s:MarkdownClearSyntaxVariables()
-     if &filetype == 'markdown'
+     if &filetype =~ 'markdown'
          unlet! b:mkd_included_filetypes
      endif
  endfunction