When Help -> About is clicked in the graphviz graph viewer (dot -Tgkt; its window is called DocEdit), a window pops up with the following information:
<unknown> 0.1 Visualize and edit graphs of nodes and edges ...
'About <unknown>' is also displayed in the window title.
How reproducible: Always
Steps to Reproduce: 1. dot -Tgtk somegraph.gv 2. Click Help -> About
The program doesn't know its name. :)
Fix is available in original bugzilla: http://bugzilla.redhat.com/attachment.cgi?id=451927&action=diff