Rule IfieldArea() {
		return Sequence(String("[A:"),
				ZeroOrMore(WSP()).suppressNode(),
				TexTextIfield(),
				String("]"))
			.label(IfieldArea);
	}
Rule IfieldArea ( ) { return Sequence ( String ( "[A:" ) , ZeroOrMore ( WSP ( ) ) . suppressNode ( ) , TexTextIfield ( ) , String ( "]" ) ) . label ( IfieldArea ) ; }
ifield-area ::= %5B.%41.%3A *WSP tex-text-ifield %5D<p>
<tt>[A:..]</tt>