This is makeindex, version 2.13 [07-Mar-1997] (using kpathsea).
Scanning input file mzscheme/mzscheme--h.idx....
!! Input index error (file = mzscheme/mzscheme--h.idx, line = 553):
   -- Illegal null field.
.
!! Input index error (file = mzscheme/mzscheme--h.idx, line = 1183):
   -- Extra `@' at position 2 of first argument.
done (1409 entries accepted, 2 rejected).
Sorting entries..............done (15652 comparisons).
Generating output file mzscheme/mzscheme--h.ind.....done (1386 lines written, 0 warnings).
Output written in mzscheme/mzscheme--h.ind.
Transcript written in mzscheme/mzscheme--h.ilg.
