EDIT

Translation of menu text corrected.

ref #6159: minor

ref #6908 Fix dirty flag handling in key list editor

ref #6159: details of selected distr are shown for distr. editor

Fix potential NPE and widget disposed exception

ref #6925 Add non-restore flag to some parts

ref #6908 Migrate remaining polytomous context menus and handlers

ref #6908 Migrate polytomous key list and graph editor

ref #6908 Migrate polytomous key list editor handlers

ref #6908 Migrate polytomous key list editor

• migrate some other parts and handlers