It compares two files, finding which words have been deleted or added to the first in order to create the second. This program is still very experimental. Even if much development is needed, it is quite useful as it stands. Both have been written by Fran ois Pinard. These are evolving programs, and specifications might change in future releases.
Some people just prefer one format and despise the other, it is a religious issue.
This program brings peace back on earth. It has been contributed by Wayne Davison, from Borland. Have Perl installed before Automake. . Diffs are welcome, but they only describe a solution, from which the problem might be uneasy to infer. If needed, submit actual data files with your report.