Comment 34 for bug 8678

(In reply to comment #32)
> How will it break the typing break stuff? I looked around for anything which
> would do something with the "child-exited" signal, and didn't find any. That
> code isn't used outside of gnome-settings-daemon itself. It looked like this
> code was cut-and-pasted from elsewhere and this bit wasn't really applicable.

In gnome-settings-typing-break.c, gnome_settings_typing_break_init():
g_signal_connect (reaper, "child_exited", G_CALLBACK (child_exited_callback), NULL);

IIRC, '-' can be replaced by '_' in signals (I should look if this is really true).