code: Rule FieldParts() {
  		return Sequence(String("P:"),
  				ZeroOrMore(WSP()).suppressNode(),
  				PartsPlayOrder(), HeaderEol()).label(FieldParts);
  	}
docs: In header defines in which order parts should be played
  
  field-parts ::= %x50.3A *WSP parts-play-order header-eol<p>
  <tt>P:</tt>