"explicit filename for merged results (use - for standard out)");
"explicit filename for merged results (standard out used if not specified)");
		UpdateCommandLine() {			addSwitchWithOptionalExtraPart("-overrideRevisionNames", "truth",			"override revision names for each version with names computed filenames");			addOption("-output", "output file",					"explicit filename for merged results (use - for standard out)");			}