Accept valid xs:anyURI values that have escaped chars that should not be unquoted
Merge remote-tracking branch 'upstream/master' into HEAD
Revert "Accept valid xs:anyURI values that have escaped chars that should not be unquoted"

This reverts commit bea0027521b36dd474902b39c53b656523c4ef06.
Accept valid xs:anyURI values that have escaped chars that should not be unquoted.