toc: Remove children from header element after iterating

Removing items while iterating can result in wrong behavior. Refs Python-Markdown#461.
gaurav1832 · Mar 17, 2016 · 803ab63 · 803ab63
1 parent 6a1b408
commit 803ab63
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/markdown/extensions/toc.py b/markdown/extensions/toc.py
@@ -180,7 +180,8 @@ def add_anchor(self, c, elem_id):  # @ReservedAssignment
         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):