About: http://webisa.webdatacommons.org/218652144

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	This sounds like a bug to me as Alt and Shift keys work on Mac just like they do on PC. Try quitting all programs including illustrator and then restart illustrator only and see if this problem persists.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com