'xs:token with single spaces': {|xml|| This is a sentence. |}. 'xs:token with empty value': {|xml|| |}. % the following test cases would theoretically fail, but the whitespaces get replaced while parsing 'xs:token with leading space': {|xml|| This is a string! |}. 'xs:token with trailing space': {|xml|| This is a string! |}. 'xs:token with multiple spaces in-between': {|xml|| This is a string! |}.