g_signal_emit: what is "detail" ?


I'm porting some code to gtk2 and I want to replace gtk_signal_emit with
g_signal_emit. I see that g_signal_emit has an additional parameter
called "detail" but I couldn't find what is for and what I have to pass
to it when calling the function...

The docs are a little too terse:

detail: the detail

So I looked at some other app: I had gnome-terminal handy and there I
saw that it always pass 0 as detail.

Can someone give me some advice and/or point me to more verbose docs?

Thanks in advance


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