[PATCH 1/2] localedef: Fix handling of empty mon_decimal_point

[Florian Weimer]

* Andreas Schwab:

> On Jan 31 2022, Florian Weimer wrote:
>
>> * Andreas Schwab:
>>
>>> On Jan 31 2022, Florian Weimer via Libc-alpha wrote:
>>>
>>>> There's an existing comment
>>>>
>>>>   /* The decimal point must not be empty.  This is not said explicitly
>>>>      in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
>>>>      != "".  */
>>>>
>>>> that says that empty strings/null characters are invalid.
>>>
>>> This is only about decimal_point, mon_decimal_point can be empty.
>>
>> Hmm, I'll take your word for it.
>
> See 7.11.2.1, paragraph 3 and 10.

That is fairly conclusive indeed (numbers match C11).

Are you okay with Carlos' patch with a comment update?

Thanks,
Florian