The yes-no data type

Where is this type used?

<accidental> — cautionary attribute

<accidental> — editorial attribute

<accidental> — parentheses attribute

<accidental> — bracket attribute

<accidental-mark> — parentheses attribute

<accidental-mark> — bracket attribute

<arpeggiate> — unbroken attribute

<assess> — type attribute

<bass-alter> — print-object attribute

<beam> — repeater attribute

<beat-repeat> — use-dots attribute

<bend> — accelerate attribute

<clef> — additional attribute

<clef> — after-barline attribute

<clef> — print-object attribute

<degree> — print-object attribute

<degree-alter> — plus-minus attribute

<delayed-inverted-turn> — accelerate attribute

<delayed-inverted-turn> — slash attribute

<delayed-turn> — accelerate attribute

<delayed-turn> — slash attribute

<direction> — directive attribute

<double> — above attribute

<ending> — print-object attribute

<figured-bass> — print-object attribute

<figured-bass> — print-dot attribute

<figured-bass> — print-spacing attribute

<figured-bass> — print-lyric attribute

<figured-bass> — parentheses attribute

<fingering> — substitution attribute

<fingering> — alternate attribute

<grace> — slash attribute

<group-abbreviation-display> — print-object attribute

<group-name-display> — print-object attribute

<harmonic> — print-object attribute

<harmony> — print-object attribute

<harmony> — print-frame attribute

<haydn> — accelerate attribute

<heel> — substitution attribute

<inverted-mordent> — accelerate attribute

<inverted-mordent> — long attribute

<inverted-turn> — accelerate attribute

<inverted-turn> — slash attribute

<inverted-vertical-turn> — accelerate attribute

<key> — print-object attribute

<key-octave> — cancel attribute

<kind> — use-symbols attribute

<kind> — stack-degrees attribute

<kind> — parentheses-degrees attribute

<kind> — bracket-degrees attribute

<left-divider> — print-object attribute

<level> — reference attribute

<level> — parentheses attribute

<level> — bracket attribute

<line-detail> — print-object attribute

<lyric> — print-object attribute

<measure-numbering> — multiple-rest-always attribute

<measure-numbering> — multiple-rest-range attribute

<measure> (partwise) — implicit attribute

<measure> (partwise) — non-controlling attribute

<measure> (timewise) — implicit attribute

<measure> (timewise) — non-controlling attribute

<metronome> — print-object attribute

<metronome> — parentheses attribute

<metronome-tuplet> — bracket attribute

<mordent> — accelerate attribute

<mordent> — long attribute

<multiple-rest> — use-symbols attribute

<notations> — print-object attribute

<note> — print-object attribute

<note> — print-dot attribute

<note> — print-spacing attribute

<note> — print-lyric attribute

<note> — print-leger attribute

<note> — pizzicato attribute

<notehead> — filled attribute

<notehead> — parentheses attribute

<numeral-alter> — print-object attribute

<numeral-key> — print-object attribute

<offset> — sound attribute

<other-direction> — print-object attribute

<other-notation> — print-object attribute

<part-abbreviation> — print-object attribute

<part-abbreviation-display> — print-object attribute

<part-name> — print-object attribute

<part-name-display> — print-object attribute

<pedal> — line attribute

<pedal> — sign attribute

<pedal> — abbreviated attribute

<print> — new-system attribute

<print> — new-page attribute

<repeat> — after-jump attribute

<rest> — measure attribute

<right-divider> — print-object attribute

<root-alter> — print-object attribute

<shake> — accelerate attribute

<slash> — use-dots attribute

<slash> — use-stems attribute

<slide> — accelerate attribute

<sound> — dacapo attribute

<sound> — forward-repeat attribute

<sound> — pizzicato attribute

<staff-details> — print-object attribute

<staff-details> — print-spacing attribute

<stick> — parentheses attribute

<stick> — dashed-circle attribute

<supports> — type attribute

<time> — print-object attribute

<toe> — substitution attribute

<trill-mark> — accelerate attribute

<tuplet> — bracket attribute

<turn> — accelerate attribute

<turn> — slash attribute

<vertical-turn> — accelerate attribute

<wavy-line> — accelerate attribute

<wedge> — niente attribute