add note about why _WidgetBase.postscript() doesn't call this.inherited(), refs #16515 !strict.
add note about why _WidgetBase.postscript() doesn't call this.inherited(), refs #16515 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@30264 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful