Merge pull request #235 from jirislaby/patch-1

[etc/vim.git] / after / ftplugin / markdown.vim

diff --git a/after/ftplugin/markdown.vim b/after/ftplugin/markdown.vim
index adac473a0568016191757fd08c98bc254ba75133..a140c25a2c2ae9ac128506085a149641d6f0d187 100644 (file)
--- a/after/ftplugin/markdown.vim
+++ b/after/ftplugin/markdown.vim
@@ -6,27 +6,37 @@
 "
 " original version from Steve Losh's gist: https://gist.github.com/1038710
 
-func! Foldexpr_markdown(lnum)
-    if (a:lnum == 1)
-        let l0 = ''
-    else
-        let l0 = getline(a:lnum-1)
-    endif
-
-    let l1 = getline(a:lnum)
+func! s:is_mkdCode(lnum)
+    return synIDattr(synID(a:lnum, 1, 0), 'name') == 'mkdCode'
+endfunc
 
-    let l2 = getline(a:lnum+1)
+func! s:effective_line(lnum)
+    let line = getline(a:lnum)
+    return (line !~ '^[=-#]' || s:is_mkdCode(a:lnum)) ? '' : line
+endfunc
 
+func! Foldexpr_markdown(lnum)
+    let l2 = s:effective_line(a:lnum+1)
     if  l2 =~ '^==\+\s*'
         " next line is underlined (level 1)
         return '>1'
     elseif l2 =~ '^--\+\s*'
         " next line is underlined (level 2)
         return '>2'
-    elseif l1 =~ '^#'
+    endif
+
+    let l1 = s:effective_line(a:lnum)
+    if l1 =~ '^#'
         " don't include the section title in the fold
         return '-1'
-    elseif l0 =~ '^#'
+    endif
+
+    if (a:lnum == 1)
+        let l0 = ''
+    else
+        let l0 = s:effective_line(a:lnum-1)
+    endif
+    if l0 =~ '^#'
         " current line starts with hashes
         return '>'.matchend(l0, '^#\+')
     else