416       char *discards = discarded[f];  in discard_confusing_lines()  local
434 	    discards[i] = 1;  in discard_confusing_lines()
436 	    discards[i] = 2;  in discard_confusing_lines()
447       register char *discards = discarded[f];  in discard_confusing_lines()  local
451 	  /* Cancel provisional discards not in middle of run of discards.  */  in discard_confusing_lines()
452 	  if (discards[i] == 2)  in discard_confusing_lines()
453 	    discards[i] = 0;  in discard_confusing_lines()
454 	  else if (discards[i] != 0)  in discard_confusing_lines()
465 		  if (discards[j] == 0)  in discard_confusing_lines()
467 		  if (discards[j] == 2)  in discard_confusing_lines()
471 	      /* Cancel provisional discards at end, and shrink the run.  */  in discard_confusing_lines()
472 	      while (j > i && discards[j - 1] == 2)  in discard_confusing_lines()
473 		discards[--j] = 0, --provisional;  in discard_confusing_lines()
484 		    if (discards[--j] == 2)  in discard_confusing_lines()
485 		      discards[j] = 0;  in discard_confusing_lines()
504 		    if (discards[i + j] != 2)  in discard_confusing_lines()
510 		      discards[i + j] = 0;  in discard_confusing_lines()
518 		      if (j >= 8 && discards[i + j] == 1)  in discard_confusing_lines()
520 		      if (discards[i + j] == 2)  in discard_confusing_lines()
521 			consec = 0, discards[i + j] = 0;  in discard_confusing_lines()
522 		      else if (discards[i + j] == 0)  in discard_confusing_lines()
536 		      if (j >= 8 && discards[i - j] == 1)  in discard_confusing_lines()
538 		      if (discards[i - j] == 2)  in discard_confusing_lines()
539 			consec = 0, discards[i - j] = 0;  in discard_confusing_lines()
540 		      else if (discards[i - j] == 0)  in discard_confusing_lines()
555       char *discards = discarded[f];  in discard_confusing_lines()  local
559 	if (minimal || discards[i] == 0)  in discard_confusing_lines()