Small fixes in gdbasis program options

bin/gdbasis.cpp

@@ -123,12 +123,14 @@ parse_arguments(int argc, char *argv[])
        ("body-minimal,m", po::bool_switch(&conf.body_minimal),
            "compute only body minimal representation, i.e. do not use "
            "left-saturation, options keep-body-in-closure and "
-           "omit-empty-closure are ignored in this case") //
+           "omit-empty-closure are ignored in this case (keep-body-in-closure "
+           "is set, omit-empty-closure is unset)") //
        ("right-irredundant,r", po::bool_switch(&conf.right_irredundant),
            "make the implication system right irredundant at the end, options "
            "keep-body-in-closure and omit-empty-closure are ignored in this "
-           "case, however left saturation is performed if not suppressed by "
-           "option body-minimal.");
+           "case (keep-body-in-closure is set, omit-empty-closure is unset), "
+           "however left saturation is performed if not suppressed by option "
+           "body-minimal.");
    opts.Add(output_opts);
    if (!opts.Parse(argc, argv) || !opt_impl_type.GetValue(conf.impl_type)
        || !opt_output_type.GetValue(conf.output_type))
@@ -266,4 +268,5 @@ main(int argc, char *argv[])
       SUBool::logs.TLog(1) << "Unknown impl_type";
       return 1;
    }
+   return 0;
 }