bug#22763: 25.1.50; Feature Request -- A faster method to obtain line number at position.

[Andreas Schwab]

On Mai 20 2021, Eli Zaretskii wrote:

>> Date: Wed, 19 May 2021 23:55:27 +0000
>> From:  Ben Levy via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> For this section in the line-number-at-pos code:
>> 
>> /* Check that POSITION is n the visible range of the buffer. */
>> if (pos < BEGV || pos > ZV)
>>   args_out_of_range (make_int (start), make_int (ZV));
>> 
>> Shouldn't the lower bound condition be pos < start instead of pos < BEGV?
>
> No, because 'start' is the _byte_ position,

But it should not be passed to args_out_of_range then.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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