Index: /trunk/src/org/openstreetmap/josm/gui/help/HelpBrowser.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/help/HelpBrowser.java	(revision 5937)
+++ /trunk/src/org/openstreetmap/josm/gui/help/HelpBrowser.java	(revision 5938)
@@ -584,5 +584,5 @@
             if (e.getEventType() != HyperlinkEvent.EventType.ACTIVATED)
                 return;
-            if (e.getURL() == null) {
+            if (e.getURL() == null || e.getURL().toString().startsWith(url+"#")) {
                 // Probably hyperlink event on a an A-element with a href consisting of
                 // a fragment only, i.e. "#ALocalFragment".