Inside #478 we recognized that Treebrwoser is using direct access to internal things of Gtk. This is very likely to break at some point and needs to be fixed.
I think this can be closed. I checked all Gtk function calls and found them all with a search on the GNOME developer center page. I think this functions are confusing maybe: ``` gtk_tree_store_iter_clear_nodes _gtk_cell_layout_get_cells ``` These will not be found in the Gtk API because they are part of ```treebrowser.c```. IMHO there are no references to Gtk internals but some bad naming. Or did I oversee something?
Closed #504.
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