<<.from-version "5.3.0">> The <<.wlink FillWidget>> widget is used within a <<.wlink TranscludeWidget>> widget to specify the content that should be copied to the named "slot". Slots are defined by the <<.wlink SlotWidget>> widget within the transcluded content.
See the <<.wlink TranscludeWidget>> widget for details.
! Attributes
The content of the <<.wlink FillWidget>> widget is used as the content to be passed to the transclusion.