Subject: Re: bug#77924: 31.0.50; [Feature branch] Change marker implementation

From: Gerd Möllmann <[email-masked]>
Date: Fri, 25 Apr 2025 09:20:55 +0200

Sent from my iPhone

> On 25. Apr 2025, at 09:01, Eli Zaretskii <[email-masked]> wrote:
> 
> 
>> 
>> From: Gerd Möllmann <[email-masked]>
>> Cc: Eli Zaretskii <[email-masked]>,  [email-masked],
>>  [email-masked],  [email-masked]
>> Date: Thu, 24 Apr 2025 21:53:05 +0200
>> 
>> Pip Cet <[email-masked]> writes:
>> 
>>> I think what we should do is mimic FOR_EACH_TAIL, and use
>>> FOR_EACH_MARKER like this:
>>> 
>>> struct Lisp_Marker *m;
>>> FOR_EACH_MARKER (b, m)
>>>  {
>>>    /* do something with m */
>>>  }
>> 
>> We need an if somewhere for the MARKERP, don't we?
> 
> Why is that needed, btw?  Can't we change the representation and/or
> the functions involved to avoid the need for such a test?

When markers are freed their entry in the market vector no longer contains a marker reference.