Rule FieldMeter() {
		return Sequence(String("M:"),
				ZeroOrMore(WSP()).suppressNode(),
				OptionalS(TimeSignature()), HeaderEol()).label(FieldMeter);
	}
Rule FieldMeter ( ) { return Sequence ( String ( "M:" ) , ZeroOrMore ( WSP ( ) ) . suppressNode ( ) , OptionalS ( TimeSignature ( ) ) , HeaderEol ( ) ) . label ( FieldMeter ) ; }
field-meter ::= %x4D.3A *WSP time-signature header-eol<p>
<tt>M:</tt>