From 803ab63609d6a148b01d6afc12f841501a5fd84c Mon Sep 17 00:00:00 2001
From: Dmitry Shachnev <mitya57@gmail.com>
Date: Thu, 17 Mar 2016 18:14:06 +0100
Subject: toc: Remove children from header element after iterating

Removing items while iterating can result in wrong behavior. Refs #461.
---
 markdown/extensions/toc.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/markdown/extensions/toc.py b/markdown/extensions/toc.py
index b3cf898..56db33c 100644
--- a/markdown/extensions/toc.py
+++ b/markdown/extensions/toc.py
@@ -180,7 +180,8 @@ class TocTreeprocessor(Treeprocessor):
         c.text = ""
         for elem in c:
             anchor.append(elem)
-            c.remove(elem)
+        while c:
+            c.remove(c[0])
         c.append(anchor)
 
     def add_permalink(self, c, elem_id):
-- 
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