Re: set-window-start in Elisp manual

[Stephen Berman <Stephen.Berman@gmx.net>]

On Thu, 17 Jan 2008 16:40:12 +0100 bojohan+news@dd.chalmers.se (Johan Bockgård) wrote:

> Stephen Berman <Stephen.Berman@gmx.net> writes:
>
>> On Thu, 17 Jan 2008 15:29:01 +0100 bojohan+news@dd.chalmers.se (Johan Bockgård) wrote:
>>
>>> martin rudalics <rudalics@gmx.at> writes:
>>>
>>>> FWIW this used to work in Emacs 20 but was already broken in Emacs 21.
>>>> We would have to find out why and where `window-start' gets reset to 1.
>>>
>>>       [xdisp.c:13049]
>>>
>>>       /* If window starts on a continuation line, maybe adjust the
>>>          window start in case the window's width changed.  */
>>>       if (XMARKER (w->start)->buffer == current_buffer)
>>>         compute_window_start_on_continuation_line (w);
>>
>> How does this piece of code relate to the set-window-start issue, since
>> the latter doesn't seem to involve a continuation line?  Or did you
>> accidentally paste in the wrong bit
>
> The paste is correct, the line number is wrong. Sorry.

Ok, thanks for the correction.  My question wasn't rhetorical, I don't
see the relation between the set-window-start issue and continuation
lines.  Could you clarify, or at least point to where in the code this
relation is established?  Thanks.

Steve Berman