src/MuseRecord.cpp
string MuseRecord::getProlongationField(void) {
//   allowNotesOnly("getProlongationField");   ---> rests also
	if (getLength() < 18) {
		return " ";
	} else {
		return extract(18, 18);
	}
}
//////////////////////////////
//
// MuseRecord::getProlongationField -- returns column 18
//
:getProlongationField -- returns column 18
: getProlongationField -- returns column 18
string MuseRecord::getProlongationField(void) {
	if (getLength() < 18) {
		return " ";
	} else {
		return extract(18, 18);
	}
}
string MuseRecord :: getProlongationField ( void ) { if ( getLength ( ) < 18 ) { return " " ; } else { return extract ( 18 , 18 ) ; } }
MuseRecord::getProlongationField -- returns column 18
MuseRecord :: getProlongationField -- returns column 18
//   allowNotesOnly("getProlongationField");   ---> rests also