Don't allow 'hidden' value for 'outline-style' property
Don't allow 'hidden' value for 'outline-style' property

jasco/WeasyPrint,prepare/TestWeasyPrint,jasco/WeasyPrint,Kozea/WeasyPrint,marclaporte/WeasyPrint,Kozea/WeasyPrint,andrewleech/WeasyPrint,andrewleech/WeasyPrint,prepare/TestWeasyPrint,marclaporte/WeasyPrint