• Morten Welinder's avatar
    GnmFunc: make this a GObject. · 8dd9f9c4
    Morten Welinder authored
    Change GnmFunc from a boxed type with weird ref-counting to a proper
    GObject with normal ref-counting, but also usage counting.
    Function descriptor tables in plugins lose two pointers that almost
    nobody was using: usage notifer (use signal notify::in-use instead) and
    the link notifying (use signal link-dep instead).
    There is still room for plenty of cleanup here.
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