Return value on half failure

Andrei (and others with a voice), What return value should methods have that have a "half" failure, e.g. gdk_event_get_coords? It returns true and fills two double variables in case the event had some coords associated, and returns false if there were no coords for the event. PyGtk returns an empty array in the latter case, but it would be more php-ish to return FALSE instead of an array. On the other side it's no "real" error. I still vote for returning false, but want to hear your opinion. -- Regards/MfG, Christian Weiske

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