[xdot] Adding URL support for edges #45
Description
The Nodes have the attribute URL which allows for catching the 'click' signal
while embedding the widget and doing awesome things. However, the edges do not
have this attribute. This patch should correct the issue.
PS: The indentation might be a little off.
Original issue reported on code.google.com by musically.ut on 20 Nov 2010 at 4:53
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