Index: java/com/xpn/xwiki/render/filter/XWikiHeadingFilter.java
===================================================================
--- java/com/xpn/xwiki/render/filter/XWikiHeadingFilter.java	(revisión: 10)
+++ java/com/xpn/xwiki/render/filter/XWikiHeadingFilter.java	(copia de trabajo)
@@ -90,7 +90,8 @@
 		id = TOCGenerator.makeHeadingID(text, 0, xcontext);
         int occurence = 0;
         for (Iterator iter = processedHeadings.iterator(); iter.hasNext();){
-            if (iter.next().equals(id)) occurence++;
+            String tmp = (String)iter.next ();
+            if (tmp.startsWith ((id))) occurence++;
         }
         if (occurence != 0)
             id = TOCGenerator.makeHeadingID(text, occurence, xcontext);