This fixes errors in: http://test.csswg.org/shepherd/reference/replaced-elements-all-auto-ref/ http://test.csswg.org/shepherd/reference/replaced-elements-height-20-ref/ http://test.csswg.org/shepherd/reference/replaced-elements-min-height-40-ref/ http://test.csswg.org/shepherd/reference/replaced-elements-min-width-80-ref/ http://test.csswg.org/shepherd/reference/replaced-elements-width-40-ref/