This is makeindex, version 2.15 [TeX Live 2013] (kpathsea + Thai support).
Scanning input file gbnp_doc.idx....done (53 entries accepted, 0 rejected).
Sorting entries....done (311 comparisons).
Generating output file gbnp_doc.ind....done (96 lines written, 0 warnings).
Output written in gbnp_doc.ind.
Transcript written in gbnp_doc.ilg.
