broulik added a comment.
Nice find! It appears the `DropdownMenu`, `PopupMenu`, and `Notification` type also incorrectly use a `len = 1`? REPOSITORY R278 KWindowSystem REVISION DETAIL https://phabricator.kde.org/D27356 To: catherinez, #kwin Cc: broulik, kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, bruns