code: Rule FieldWords() {
  		return Sequence(String("W:"),
  				ZeroOrMore(WSP()).suppressNode(),
  				TexText(), HeaderEol()).label(FieldWords);
  	}
docs: Unformatted words, printed after the tune
  
  field-words ::= %x57.3A *WSP tex-text header-eol<p>
  <tt>W:</tt>