Looks like this I forgot to attach the file

On Fri, 24 Feb 2023 at 22:19, dalanicolai <dalanicolai@gmail.com> wrote:

> Okay, in that attachment of my previous mail, I forgot to comment out the
> `(set-window-margins nil 4)`.
>
> So here I another mail (and attachment) with an extremely brief recipe:
>
> - load the file in the attachment
> - do `M-x baleen2`
> - type 'emacs' followed by RET
> - do `M-x find-function` `baleen2` and uncomment the line
> `(set-window-margins nil 4)` in the function
> - (re)evalute and repeat (do `M-x baleen2`, try typing 'emacs')
>
> notice the buffer update speed difference
>
> Any idea what might be causing this?
>
> Thanks!
>
> On Fri, 24 Feb 2023 at 21:53, dalanicolai <dalanicolai@gmail.com> wrote:
>
>> B.t.w if someone want to have a look, I'll attach a smaller file here
>> where
>> I have just removed about 200 pages of the book text data, so that it is
>> the file is much smaller, but there is still enough date to clearly show
>> the
>> 'undesired' behavior.
>>
>> So now, Emacs will not 'hang', but there will still be a clear difference
>> in time it
>> takes to update the buffer (between when window margins are displayed,
>> and when they are not).
>>
>> On Fri, 24 Feb 2023 at 21:41, dalanicolai <dalanicolai@gmail.com> wrote:
>>
>>> I hope you might have an idea what causes this behavior. And maybe you
>>> have a suggestion how to prevent it. Furthermore, I guess the behavior
>>> might
>>> be interesting for you to note/observe (but that is just a guess).
>>>
>>> On Fri, 24 Feb 2023 at 21:29, Eli Zaretskii <eliz@gnu.org> wrote:
>>>
>>>> > From: dalanicolai <dalanicolai@gmail.com>
>>>> > Date: Fri, 24 Feb 2023 21:26:05 +0100
>>>> > Cc: emacs-devel@gnu.org
>>>> >
>>>> > I have not really looked at it yet, but just as a quick thought:
>>>> > I am not sure if/why I should debug an infloop, because the
>>>> functionality
>>>> > works perfectly fine when not showing the margins (i.e. when just
>>>> setting
>>>> > the window margins to nil). So it seems to me its not about an
>>>> infinite loop.
>>>> >
>>>> > I was saying 'more or less' because it does not really hang, it just
>>>> takes
>>>> > extremely long to update the buffer text. When waiting long enough,
>>>> > then it seems to continue.
>>>> >
>>>> > Of course, I don't want to waste your time, but I think my
>>>> instructions
>>>> > for reproducing the error, are very clear and short this time (i.e.
>>>> take less
>>>> > than/about a minute). I think it would be most informative if you
>>>> reproduce the
>>>> > error there.
>>>>
>>>> What should I do after I reproduce it, though?  What are your
>>>> expectations from me (or whoever else tries your recipe)?
>>>>
>>>