public static String getPropertyHelp() { StringBuilder sb = new StringBuilder(); sb.append( "# These properties can be used to alter runtime behavior for perf or compatibility.\n") .append("# Specify them by passing -X<property>=<value>\n") .append("# or if passing directly to Java, -Djruby.<property>=<value>\n") .append("# or put <property>=<value> in .jrubyrc\n") .append("#\n") .append("# This dump is a valid .jrubyrc file of current settings. Uncomment and modify\n") .append("# settings to customize.\n"); sb.append(Option.formatOptions(Options.PROPERTIES)); return sb.toString(); }