This is makeindex, version 2.13 [07-Mar-1997] (using kpathsea).
Scanning input file ex30.idx....done (6 entries accepted, 0 rejected).
Sorting entries....done (18 comparisons).
Generating output file ex30.ind....done (23 lines written, 0 warnings).
Output written in ex30.ind.
Transcript written in ex30.ilg.