When using
opt_a->excludes( opt_b );
the help text shows the message 'Excludes: ..." just for opt_a, but not for opt_b, although the behavior is of course symmetrical.
As a workaround, adding opt_b->excludes( opt_a ); does the trick. But maybe this should not be necessary.
When using
opt_a->excludes( opt_b );the help text shows the message 'Excludes: ..." just for
opt_a, but not foropt_b, although the behavior is of course symmetrical.As a workaround, adding
opt_b->excludes( opt_a );does the trick. But maybe this should not be necessary.