GNU bug report logs - #9034
point adjustment (with invisible text) moves to the next line

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Message #36 received at 9034 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 9034 <at> debbugs.gnu.org, dmitry.kurochkin <at> gmail.com
Subject: Re: bug#9034: point adjustment (with invisible text) moves to the
 next line
Date: Thu, 26 Aug 2021 18:33:29 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Just doing `M-: 4 RET' will result in this code adjusting point in
>> the buffer.  Doing, for instance, `M-x foo RET' (where `foo' does
>> nothing) does not result in this point movement.
>> 
>> So is `M-:' doing some weird thing in the original buffer to trigger
>> this oddity?
>
> Doing M-: in what part of the recipe?

Eval this:

  (progn (switch-to-buffer "test")
         (insert "aline1\nbline2\ncline3\n")
         (put-text-property 7 14 'invisible t) ; region [\nbline2]
         (goto-char (point-min)))

Then

C-e
M-: 4 RET

This will move point to the start of the next line about half the time.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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