+ /* Compatibility options */
+ case 'a':
+ if ( 0 == strcmp(optarg,"compatible") )
+ set_algorithm(COMPATIBLE);
+ else if ( 0 == strcmp(optarg,"enhanced"))
+ set_algorithm(ENHANCED);
+ else
+ {
+ usage();
+ assert(0);
+ }
+ break;
+
+ case 'x':
+ if ( 0 == strcmp(optarg,"compatible") )
+ set_syntax(COMPATIBLE);
+ else if ( 0 == strcmp(optarg,"enhanced"))
+ set_syntax(ENHANCED);
+ else
+ {
+ usage();
+ assert(0);
+ }
+ break;
+