This is makeindex, version 2.15 [TeX Live 2015/W32TeX] (kpathsea + Thai support).
Scanning input file zuu-sample.idx....done (6 entries accepted, 0 rejected).
Sorting entries....done (21 comparisons).
Generating output file zuu-sample.ind....done (16 lines written, 0 warnings).
Output written in zuu-sample.ind.
Transcript written in zuu-sample.ilg.
