Created attachment 4703 The described patch The attached patch improves the documentation of xfce_panel_plugin_position_widget.
Jérôme Guelfucci referenced this bugreport in commit c8ea4d4d439c4b7af9380a6d9ffc8d1df5510cbb Improve docs for xfce_panel_plugin_position_widget (Bug #9438) https://gitlab.xfce.org/xfce/xfce4-panel/commit/c8ea4d4d439c4b7af9380a6d9ffc8d1df5510cbb
Aaaaand fixed. It only took 8 years ;)