patch

[Julian Rockey]

This bug occurs when a project is opened containing a KHTML view (of the 
documentation) that in the previous session a user has clicked on an in-page 
anchor (  like /usr/share/doc/foo.html#position ). When restoring to this 
kind of URL the openURL method is called twice (once when the CDocBrowser is 
created, and again when the views are created). On the second call with the 
identical URL KHTMLPart crashes. I don't know why. But a dirty fix is to 
ensure openURL is never called if the current URL is identical to the one 
being opened.

The side-effect of course is that if you now click on an in-page anchor then 
scroll back up and click on it again nothing will happen. However as KDevelop 
2.0 is being replaced by Gideon maybe this is acceptable to prevent the crash.

Possibly this is a bug in KHTML but I couldn't find one similar listed. If 
anyone's interested the line it's crashing on is:

bool KHTMLPart::gotoAnchor( const QString &name )
{
THIS ONE>>>  HTMLCollectionImpl *anchors =
   new HTMLCollectionImpl( d->m_doc, HTMLCollectionImpl::DOC_ANCHORS);  
  anchors->ref();

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