L0 = <http://www.simantics.org/Layer0-1.1>
VIEWS = <http://www.simantics.org/Views-1.2>

TEXTVIEWS = <http://www.simantics.org/TextViews-1.0> : L0.Ontology
    @L0.new

TEXTVIEWS.MarkupSourceViewer <T VIEWS.StyledText