This is makeindx, portable version 2.12 [26-May-1993].
Scanning style file musicdoc.ist.............
** Input style error (file = musicdoc.ist, line = 58):
   -- Unknown specifier lethead_prefix.
** Input style error (file = musicdoc.ist, line = 59):
   -- Unknown specifier lethead_suffix.
** Input style error (file = musicdoc.ist, line = 60):
   -- Unknown specifier lethead_flag.
...done (16 attributes redefined, 3 ignored).
Scanning input file musicdoc.idx....done (878 entries accepted, 0 rejected).
Sorting entries..........done (9187 comparisons).
Generating output file musicdoc.ind....done (698 lines written, 0 warnings).
Output written in musicdoc.ind.
Transcript written in musicdoc.ilg.
