ARELLE-372: EFM validation, avoid 5.2.1.1 character checks on test case files
ARELLE-372: EFM validation, avoid 5.2.1.1 character checks on test case files

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