Currently, `btn` takes the number of characters which occupy a line. However, there may be a case where this feature be not desirable. So I would like to suggest to make `btn` take `0` as its second argument, which indicates "no newline insertion."
Currently,
btntakes the number of characters which occupy a line. However, there may be a case where this feature be not desirable.So I would like to suggest to make
btntake0as its second argument, which indicates "no newline insertion."