GNU bug report logs - #35860
Delayed window positioning after buffer display

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From: Juri Linkov <juri <at> linkov.net>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 35860 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#35860: Delayed window positioning after buffer display
Date: Mon, 27 May 2019 22:49:50 +0300

>> 0. emacs -Q
>> 1. C-h l
>>
>> Then point in the *Help* buffer should be at the bottom,
>> but when setting switch-to-buffer-preserve-window-point to nil
>> instead of using set-marker, point still is at the top of the buffer.
>
> I'm confused.  Here point in the *Help* buffer is always at bottom
> regardless of how 'switch-to-buffer-preserve-window-point' is set.

This effect is the result of this patch:

diff --git a/lisp/help.el b/lisp/help.el
index 42ff375565..0d76a45543 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -481,7 +481,7 @@ view-lossage
           (comment-indent)
 	  (forward-line 1)))
       ;; Show point near the end of "lossage", as we did in Emacs 24.
-      (set-marker help-window-point-marker (point)))))
+      (setq-local switch-to-buffer-preserve-window-point nil))))
 
 
 ;; Key bindings

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