GNU bug report logs - #12855
24.2; The Messages buffer stops following the appended lines.

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From: martin rudalics <rudalics <at> gmx.at>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 12855 <at> debbugs.gnu.org, Yves Baumes <ybaumes <at> gmail.com>
Subject: bug#12855: 24.2; The Messages buffer stops following the appended lines.
Date: Mon, 12 Nov 2012 18:32:01 +0100

>> -	(let ((start (window-start window))
>> -	      (point (window-point window)))
>> -	  (setq entry
>> -		(cons buffer
>> -		      (if entry
>> -			  ;; We have an entry, update marker positions.
>> -			  (list (set-marker (nth 1 entry) start)
>> -				(set-marker (nth 2 entry) point))
>> -			;; Make new markers.
>> -			(list (copy-marker start)
>> -			      (copy-marker point)))))
>> -
>> +	(let* ((start
>> +		(if entry
>> +		    (set-marker (nth 1 entry) (window-start window))
>> +		  (copy-marker (window-start window))))
>> +	       (point
>> +		(if entry
>> +		    (set-marker (nth 2 entry) (window-point window))
>> +		  (copy-marker
>> +		   ;; Preserve window-point-insertion-type (Bug#12855).
>> +		   (window-point) window-point-insertion-type))))
>>  	  (set-window-prev-buffers
>> -	   window (cons entry (window-prev-buffers window))))))))
>> +	   window
>> +	   (cons (list buffer start point)
>> +		 (window-prev-buffers window))))))))
>
> I don't understand why you massaged the code this way instead of just
> adding window-point-insertion-type to the last copy-marker call, but
> I presume there's a good reason.

Probably not.  Do you think the old version was more readable?

martin

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