@mjordan says, "I can't get it to validate. xmllint --schema http://www.loc.gov/standards/premis/v2/premis.xsd changeme_15.premis.xml produces the error "element premis: Schemas validity error : Element '{info:lc/xlmns/premis-v2}premis': No matching global declaration available for the validation root." but I am not sure this is a problem with my XML file or with the schema."
@mjordan says, "I can't get it to validate. xmllint --schema http://www.loc.gov/standards/premis/v2/premis.xsd changeme_15.premis.xml produces the error "element premis: Schemas validity error : Element '{info:lc/xlmns/premis-v2}premis': No matching global declaration available for the validation root." but I am not sure this is a problem with my XML file or with the schema."