From a39deb26b31de97e2cf4fd867089e656e0c40a2d Mon Sep 17 00:00:00 2001
From: Waylan Limberg <waylan@gmail.com>
Date: Fri, 13 Mar 2009 00:00:58 -0400
Subject: Fixed ticket 25. Added reset to HeaderID extension. Reset now resets
 the duplicate id counter.

---
 markdown/extensions/headerid.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/markdown/extensions/headerid.py b/markdown/extensions/headerid.py
index dae18fd..f70a7a9 100644
--- a/markdown/extensions/headerid.py
+++ b/markdown/extensions/headerid.py
@@ -175,12 +175,15 @@ class HeaderIdExtension (markdown.Extension):
             self.setConfig(key, value)
 
     def extendMarkdown(self, md, md_globals):
-
-        processor = HeaderIdProcessor(md.parser)
-        processor.md = md
-        processor.config = self.config
+        md.registerExtension(self)
+        self.processor = HeaderIdProcessor(md.parser)
+        self.processor.md = md
+        self.processor.config = self.config
         # Replace existing hasheader in place.
-        md.parser.blockprocessors['hashheader'] = processor
+        md.parser.blockprocessors['hashheader'] = self.processor
+
+    def reset(self):
+        self.processor.IDs = []
 
 
 def makeExtension(configs=None):
-- 
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