This is makeindex, version 2.14 [02-Oct-2002] (kpathsea + Thai support).
Scanning input file html/sassy-Z-I.idx....done (168 entries accepted, 0 rejected).
Sorting entries....done (1309 comparisons).
Generating output file html/sassy-Z-I.ind....done (228 lines written, 0 warnings).
Output written in html/sassy-Z-I.ind.
Transcript written in html/sassy-Z-I.ilg.