Rule IfieldWords() {
		return Sequence(String("[W:"),
				ZeroOrMore(WSP()).suppressNode(),
				TexTextIfield(),
				String("]"))
			.label(IfieldWords);
	}
Rule IfieldWords ( ) { return Sequence ( String ( "[W:" ) , ZeroOrMore ( WSP ( ) ) . suppressNode ( ) , TexTextIfield ( ) , String ( "]" ) ) . label ( IfieldWords ) ; }
ifield-words ::= %5B.%57.%3A *WSP tex-text-ifield %5D<p>
<tt>[W:..]</tt>