Title: exit() always called from xlib output backend, even when using as a library.
Submitter: Tiago de Paula Peixoto
Date: Sat Nov 28 03:45:44 2009
Subsys: Output generation
Whenever the xlib output backend is used, the graphviz library calls
exit() when the window is closed by the user, which always terminates
the whole program.
There should at least be an option to change this behaviour, otherwise
this very useful backend cannot be used by a program linking to the
Fix: Just not calling exit() should work.