| 2 - Recognize the fact that it is possible to start a combiner without
    input files.
3 - Removed -d flag. Overflow for -v (>2) now ends up in debug.
    -v may be followed by a number indicating the increment. | ||
|---|---|---|
| .. | ||
| ack | ||
| ass | ||
| cgg | ||
| cpp | ||
| misc | ||
| opt | ||
| shf | ||