About: http://webisa.webdatacommons.org/336862252

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	# [19:17] <Lachy> I remember one for class=error, which was for indiciating error messages, such as for form controls, which has benefits particularly for ATs
http://www.w3.org/ns/prov#wasQuotedFrom	krijnhoetmer.nl