GNU bug report logs - #9246
Scrolling bug with word-wrap in emacs -nw

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Message #20 received at 9246 <at> debbugs.gnu.org (full text, mbox):

From: Antoine Levitt <antoine.levitt <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 9246 <at> debbugs.gnu.org, Thomas Riccardi <riccardi.thomas <at> gmail.com>
Subject: Re: Scrolling bug with word-wrap in emacs -nw
Date: Sat, 24 Dec 2011 14:57:39 +0100

24/12/11 12:46, Eli Zaretskii
>> From: Thomas Riccardi <riccardi.thomas <at> gmail.com>
>> Date: Mon, 08 Aug 2011 23:42:08 +0200
>> Cc: bug-gnu-emacs <at> gnu.org
>> 
>> Le samedi 06 août 2011 à 02:12 +0200, Antoine Levitt a écrit : 
>> > How to reproduce:
>> > 
>> > emacs -nw -Q
>> > (setq word-wrap t)
>> > M-x erc, join a random channel
>> > M-x erc-scrolltobottom-enable
>> > type in a long link (http://longlinkthatgoesoveroneline.com)
>> > type in random lines till window is full
>> > watch all hell break loose (point at top of window, last line not visible)
>> > 
>> > FWIW, this is an old bug, and probably has nothing to do with bidi.
>> > 
>> 
>> I have the same issue.
>> 
>> It also happens when you already have the window full of logs, and you
>> type a long url: as soon as the cursor hits the last column, it jumps at
>> the end of the first line of log; you can continue typing but you don't
>> see the text: it's one line after the last displayed line.
>
> Can one of you please provide a simpler test case?  I tried following
> the original recipe, but "M-x erc" fails for me with some mumbo-jumbo
> I cannot parse.
>
> TIA

Hi,

I don't know a simpler way - at least, not without understanding
erc-scrolltobottom, which I don't.

How does erc fail? Does it prompt you for a
server/port/nickname/password? Are you able to connect to
irc.freenode.net? Then, you just have to type "/join
#somethingwithnobodyonit", and that'll create a buffer for that channel,
on which you can experiment.

Antoine

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