This is makeindex, version 2.14 [02-Oct-2002] (kpathsea + Thai support).
Scanning style file ./cours.ist...done (3 attributes redefined, 0 ignored).
Scanning input file indexN.idx....done (98 entries accepted, 0 rejected).
Sorting entries....done (676 comparisons).
Generating output file indexN.ind....
## Warning (input = indexN.idx, line = 69; output = indexN.ind, line = 43):
   -- Conflicting entries: multiple encaps for the same page under same key.

## Warning (input = indexN.idx, line = 67; output = indexN.ind, line = 44):
   -- Conflicting entries: multiple encaps for the same page under same key.

## Warning (input = indexN.idx, line = 77; output = indexN.ind, line = 61):
   -- Conflicting entries: multiple encaps for the same page under same key.

## Warning (input = indexN.idx, line = 85; output = indexN.ind, line = 78):
   -- Conflicting entries: multiple encaps for the same page under same key.
done (95 lines written, 4 warnings).
Output written in indexN.ind.
Transcript written in indexN.ilg.
