peter-b/geda-gaf — comment on commit 0c64a4bf43c653931e2b0f13b982c02c75b5dc10
File: libgeda/src/edaconfig.c line 136
By istankovic:

This signal is a candidate for G_SIGNAL_RUN_FIRST with a class closure that
sets the changed flag. That way you don't have to connect to the signal in the constructor.