25 char *keystr = "AD";		/* default sorting on author and date */  variable
60 			keystr = argv[1] + 2;  in main()
61 		eval(keystr);		/* evaluate A+ for multiple authors */  in main()
216 		if (wd[0][1] == keystr[i]) {  in parse()
247 		else if (wd[0][1] == 'Q' && keystr[i] == 'A')  in parse()
282 eval(char keystr[])  in eval()  argument
286 	for (i = 0, j = 0; keystr[i]; i++, j++) {  in eval()
287 		if (keystr[i] == '+') {  in eval()
291 		if (keystr[i] == '\0')  in eval()
293 		keystr[j] = keystr[i];  in eval()
295 	keystr[j] = '\0';  in eval()