2 % looks like an old file; probably delete.
5 \notes \transpose c c'{
6 % 1.1.53: @x@ syntax dropped
7 % if you want fingering, write chord explicitily eg << c-1 e-2 g-3 >>1
8 % @c1@ @c-7@ @c-7^5@-1-3
9 \chords { c1 c:7 c:7^5 }
11 \paper { raggedright=##t}