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Re: [O] Links and visual-line-mode

From: Scott Randby
Subject: Re: [O] Links and visual-line-mode
Date: Thu, 02 Jun 2011 10:01:59 -0400
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20110414 Thunderbird/3.1.10

On 06/02/2011 01:58 AM, Nick Dokos wrote:
> Scott Randby <address@hidden> wrote:
>> On 06/01/2011 10:49 PM, Nick Dokos wrote:
>>> Scott Randby <address@hidden> wrote:
>>>> This is a problem that has been bugging me for some time because I use
>>>> visual-line-mode a lot when I'm working on my org-mode files.
>>>> Say I have visual-line-mode turned on when I'm editing an org-mode file.
>>>> If I do C-c C-l, put in the link address, hit <Enter>, put in a
>>>> description, and hit <Enter>, then the long lines in the document are no
>>>> longer wrapped even though "(Org Wrap)" still appears on the mode line.
>>>> The only way I've been able to get wrapping back is to do M-x
>>>> visual-line-mode twice (which is just leaving the mode and then bringing
>>>> it back. This is very inconvenient, especially when I want to enter
>>>> several links. Is this a bug or is there an easy way to remind Emacs
>>>> that it is in visual-line-mode and that it should wrap long lines?
>>>> I have org-mode 7.5 on Emacs 23.2.1
>>> Cannot reproduce this either on emacs 23.1.1 or emacs 24.0.50 - the only
>>> versions I have available here. org-mode is from earlier today.
>>> The word-wrap documentation suggests some interaction with
>>> truncate-lines and truncate-partial-width-windows, so that might be a
>>> path of investigation.  But when I try setting truncate-lines to t
>>> (which does truncate long lines even though "Wrap" is still on the mode
>>> line) and then do (visual-line-mode 1), the variable is set back to nil
>>> again. In any case, inserting links does not cause any other changes, no
>>> matter what I set the variable to.
>> In my .emacs, I have pop-up-windows set to nil. If I change that setting
>> to t, then visual-line-mode keeps working when C-c C-l is used to insert
>> a link. Changing pop-up-windows back to nil causes the bad behavior.
>> One reason I want pop-up-windows to be set to nil is because I
>> frequently use C-x C-b to look at the buffer list. If pop-up-windows is
>> set to t, then C-x C-b opens the buffer list in a pop-up window while
>> the active cursor is in the other window. This is ridiculous.
>> I found this message about org-mode and pop-up windows in the mailing
>> list archives:
>> http://lists.gnu.org/archive/html/emacs-orgmode/2009-04/msg00712.html
>> While the issue described is not the same as mine, the complaint about
>> org-mode not playing nice when pop-up-windows is set to nil is still valid.
> Yes, with pop-up-windows set to nil, I can reproduce it too.
> The problem is that truncate-lines is set to t inside org-insert-link.
> When I comment that out, I get the behavior you expect. The question is:
> why is truncate-lines set to t? I don't know the answer to that, but it
> seems to be unnecessary: I think it could be let-bound instead or explicitly
> reset to its former value afterwards.

I will set pop-up-windows to t for now, but I hope the matter is
investigated further to see if truncate-lines must be set to t in
org-insert-link or if the code can be changed as you suggest.

Thanks for your help.


> The problems described by Samuel in the link you provided may be caused 
> by the same setting, but I haven't looked in detail.
> Nick

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