- * attribute. This is a hack for the HP JetDirect implementation of
- * IPP, which does not accept extension attributes and incorrectly
- * reports a client-error-bad-request error instead of the
- * successful-ok-unsupported-attributes status. In short, at least
- * some HP implementations of IPP are non-compliant.
+ * attribute and IPP/1.1. This is a hack for the HP and Lexmark
+ * implementations of IPP, which do not accept extension attributes
+ * and incorrectly report a client-error-bad-request error instead of
+ * the successful-ok-unsupported-attributes status. In short, at least
+ * some HP and Lexmark implementations of IPP are non-compliant.