From 2eaed44e965cf5a9a84a0cfbbf654c3b7b8f46b2 Mon Sep 17 00:00:00 2001
From: todesking <discommunicative@gmail.com>
Date: Tue, 8 Apr 2014 01:02:51 +0900
Subject: [PATCH] Foldmethod: improve performance

---
 after/ftplugin/markdown.vim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/after/ftplugin/markdown.vim b/after/ftplugin/markdown.vim
index 94267ee..997ab9d 100644
--- a/after/ftplugin/markdown.vim
+++ b/after/ftplugin/markdown.vim
@@ -11,7 +11,8 @@ func! s:is_mkdCode(lnum)
 endfunc
 
 func! s:effective_line(lnum)
-    return s:is_mkdCode(a:lnum) ? '' : getline(a:lnum)
+    let line = getline(a:lnum)
+    return (line !~ '^=\|^#' || s:is_mkdCode(a:lnum)) ? '' : line
 endfunc
 
 func! Foldexpr_markdown(lnum)
-- 
2.39.5