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There is a http://bits.netbeans.org/dev/javadoc/org-netbeans-core-multiview/allclasses-frame.html but no http://bits.netbeans.org/7.0/javadoc/org-netbeans-core-multiview/allclasses-frame.html nor http://bits.netbeans.org/6.9/javadoc/org-netbeans-core-multiview/allclasses-frame.html They should be there given that this module publishes its API.