This is makeindex, version 2.15 [TeX Live 2019] (kpathsea + Thai support).
Scanning input file abcl.idx....done (648 entries accepted, 0 rejected).
Sorting entries........done (6797 comparisons).
Generating output file abcl.ind....done (697 lines written, 0 warnings).
Output written in abcl.ind.
Transcript written in abcl.ilg.
