line 1347: the syntax for job state reasons should be (#type2Enum) because there can be 0 reasons.
line 2252: "Print-Job-Object Header". Am I correct in assuming that this line is not
really part of the protocol, but rather stands for lines of Content-type and Content-length?
If so, then so them instead or make it clear that they are meta-lines. This problem exists
in all of the examples in this appendix.
line 2260: does this line represent the document data?