rem: need_backslash = 1;
add: need_backslash = true;
context: append_quoted (const char *str){  int need_backslash = 1;  while (*str != '\0')    {      switch (*str)	{	case '\\':	case '^':	  need_backslash = !need_backslash;	  break;	case ':':	case '=':	  if (need_backslash)	    APPEND_CHAR ('\\');	  /* Fall through */	default:	  need_backslash = 1;	  break;	}      APPEND_CHAR (*str);      ++str;    }}