This is makeindex, portable version 2.12 [26-May-1993].
Scanning input file nonlin_chapter.idx....done (153 entries accepted, 0 rejected).
Sorting entries....done (1317 comparisons).
Generating output file nonlin_chapter.ind....done (160 lines written, 0 warnings).
Output written in nonlin_chapter.ind.
Transcript written in nonlin_chapter.ilg.