graesslin added a comment.
In https://phabricator.kde.org/D7398#139994, @luebking wrote: > Probably to handle internal WhatsThis online help (ie. you click the maximize button of a deco and get the information that this is a maximize button) but I don't know either. > Apparently even Lubos was already unsure what this was about. > > I'm not sure whether WhatsThis is actually still used by real users as of today, so I'd suggest to accidentally™ break it and see whether somebody misses something afterwards. Not inside KWin, I spent quite some time in git grep and blame ;-) REPOSITORY R108 KWin REVISION DETAIL https://phabricator.kde.org/D7398 To: graesslin, #kwin, #plasma Cc: luebking, plasma-devel, kwin, ZrenBot, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart, lukas
