change umbel:isLike to regal:parallelEdition to link to parallelEditions
change umbel:isLike to regal:parallelEdition to link to parallelEditions

edoweb/regal-api,jschnasse/regal-api,jschnasse/regal-api,edoweb/regal-api,jschnasse/regal-api,edoweb/regal-api,jschnasse/regal-api,edoweb/regal-api