This is makeindex, version 2.15 [TeX Live 2009] (kpathsea + Thai support).
Scanning input file intex.rix....done (33 entries accepted, 0 rejected).
Sorting entries....done (176 comparisons).
Generating output file intex.rid....done (64 lines written, 0 warnings).
Output written in intex.rid.
Transcript written in intex.ilg.