I enjoyed this Easter egg; maybe you will too. src/preproc/refer/refer.cpp: for (--argc, ++argv; !finished_options && argc > 0 && argv[0][0] == '-' && argv[0][1] != '\0'; argv++, argc--) { const char *opt = argv[0] + 1; while (opt != 0 && *opt != '\0') { switch (*opt) { case 'C': compatible_flag = 1; opt++; break; // ... case '-': if (opt[1] == '\0') { finished_options = 1; opt++; break; } if (strcmp(opt,"-version")==0) { case 'v': // <-- a gibbon on the syntax tree printf("GNU refer (groff) version %s\n", Version_string); exit(0); break; } if (strcmp(opt,"-help")==0) { usage(stdout); exit(0); break; } // fall through default: error("unrecognized option '%1'", *opt); usage(stderr); exit(1); break; } } }
-- Regards, Branden
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