2 def simple_serif(expr p,q, a)=
3 p{dir(angle(q-p) -a)} .. q{ - dir(angle(p -q) + a)}
6 % Accidentals from various sources, notably
8 % Baerenreiter edition of Schuberts `Auf dem Strom' (sharp, natural, flat)
9 % F Hofmeister edition of Muellers `Etueden fuer Horn' (double sharp)
15 %\tracingequations:= tracingonline := 1;
17 fet_begingroup("accidentals");
21 fet_endgroup("accidentals");