rem: key->month = 1;
add: key->month = true;
context: set_ordering (register const char *s, struct keyfield *key,	      enum blanktype blanktype){  while (*s)    {      switch (*s)	{	case 'b':	  if (blanktype == bl_start || blanktype == bl_both)	    key->skipsblanks = 1;	  if (blanktype == bl_end || blanktype == bl_both)	    key->skipeblanks = 1;	  break;	case 'd':	  key->ignore = nondictionary;	  break;	case 'f':	  key->translate = fold_toupper;	  break;	case 'g':	  key->general_numeric = 1;	  break;	case 'i':	  key->ignore = nonprinting;	  break;	case 'M':	  key->month = 1;	  break;	case 'n':	  key->numeric = 1;	  break;	case 'r':	  key->reverse = 1;	  break;	default:	  return (char *) s;	}      ++s;    }  return (char *) s;}