This is makeindex, version 2.13 [07-Mar-1997] (using kpathsea).
Scanning input file sympa.idx....
!! Input index error (file = sympa.idx, line = 236):
   -- Extra `@' at position 44 of first argument.

!! Input index error (file = sympa.idx, line = 630):
   -- Extra `@' at position 137 of first argument.
.done (1129 entries accepted, 2 rejected).
Sorting entries............done (12738 comparisons).
Generating output file sympa.ind....done (849 lines written, 0 warnings).
Output written in sympa.ind.
Transcript written in sympa.ilg.
