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.