Origin for each line in src/partialFraction.txt from check-in c1ddb4c814:

c1ddb4c814 2021-03-01    1: % partial fractions
c1ddb4c814 2021-03-01    2: b:=(x+1)^2*(x+2);
c1ddb4c814 2021-03-01    3: a:=2/b;
c1ddb4c814 2021-03-01    4: pf (a, x);
c1ddb4c814 2021-03-01    5: c:=ws;
c1ddb4c814 2021-03-01    6: first (c)+second (c)+third (c);
c1ddb4c814 2021-03-01    7: off exp;
c1ddb4c814 2021-03-01    8: ws;
c1ddb4c814 2021-03-01    9: first (c)+second (c)+third (c);
c1ddb4c814 2021-03-01   10: end;