===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/less/prompt.c,v
retrieving revision 1.20
retrieving revision 1.21
diff -c -r1.20 -r1.21
*** src/usr.bin/less/prompt.c	2016/01/13 22:47:45	1.20
--- src/usr.bin/less/prompt.c	2016/01/17 00:59:09	1.21
***************
*** 174,180 ****
  
  	switch (c) {
  	case 'a':	/* Anything in the message yet? */
! 		return (mp > message);
  	case 'b':	/* Current byte offset known? */
  		return (curr_byte(where) != -1);
  	case 'c':
--- 174,180 ----
  
  	switch (c) {
  	case 'a':	/* Anything in the message yet? */
! 		return (*message != '\0');
  	case 'b':	/* Current byte offset known? */
  		return (curr_byte(where) != -1);
  	case 'c':
***************
*** 478,484 ****
  		}
  	}
  
! 	if (mp == message)
  		return ("");
  	if (maxwidth > 0 && mp >= message + maxwidth) {
  		/*
--- 478,484 ----
  		}
  	}
  
! 	if (*message == '\0')
  		return ("");
  	if (maxwidth > 0 && mp >= message + maxwidth) {
  		/*