This is makeindex, version 2.14 [02-Oct-2002] (kpathsea + Thai support).
Scanning input file io.idx....done (114 entries accepted, 0 rejected).
Sorting entries....done (932 comparisons).
Generating output file io.ind....done (143 lines written, 0 warnings).
Output written in io.ind.
Transcript written in io.ilg.