def about(self, _action):
        AboutDialog.show_about_dialog(_('Webilder Applet'))
If data has many edit subsets, act on all of them
dataset/ETHPy150Open thesamet/webilder/src/webilder/webilder_unity_indicator.py/WebilderUnityIndicator.about--crossover with--dataset/ETHPy150Open glue-viz/glue/glue/core/tests/test_edit_subset_mode.py/TestEditSubsetMode.test_combine_maps_over_multiselection