Re: [PATCH v3] utf8: make utf8_strwidth() and utf8_strnwidth() return size_t

> Phillip Wood <phillip.wood123@gmail.com> writes:
>
>> I think it would be much better to remove the TODO comment as Junio 
>> previously suggested and instead add some documentation to the function 
>> explaining (a) why it is appropriate for it to return an int; (b) why we 
>> must use the cast_size_t_to_int() helper to prevent overflows (see the 
>> commit that added that comment).
>
> Thanks, especially for (b) above.  That needs to be stressed if we
> are to go in that direction.