xbrl linkbase validation: allow roleRef and arcroleRef to follow extended links that reference them (per base spec use of choice to define linkbase structure)
xbrl linkbase validation: allow roleRef and arcroleRef to follow
extended links that reference them (per base spec use of choice
to define linkbase structure)

sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle