Re: [RFC] [feat] org-colview/org-columns: 'column view' moving rows up/down

["Sławomir Grochowski" <slawomir.grochowski@gmail.com>]

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Thank you Ihor for finding such an important bug.

I've tried to pinpoint it.
I think it happens only when: first heading (row) is the first line of the
buffer.
To reproduce it:
* a
* b
* c

C-u C-c C-x C-c => runs `org-columns' with global argument.
Using a keyboard. Press M-<down>, M-<down>, M-<up>.
Heading 'a' will disappear.

I've tried to create a test based on that behaviour, but can't reproduce
this bug in test env.
Also I can't reproduce this when I'm invoking the commands directly from
M-x.
As I understand it something with overlay. Which try to jump before the
first line of the buffer.
And that makes some kind of overflow?
I will try to simplify the example and create a simple overlay without
org-columns.
If anyone has some ideas how to debug it I will be grateful for the hints.


On Sun, Apr 9, 2023 at 11:13 AM Ihor Radchenko <yantar92@posteo.net> wrote:

> Sławomir Grochowski <slawomir.grochowski@gmail.com> writes:
>
> > Thank you Ihor for the code review.
> > Now please help me find everything that can be improved in this patch.
>
> I just tried to use the patch using the following test case:
>
> 1. Create a new Org file containing
>
> * A
> * B
> * C
> ** C1
> * D
>
> 2. C-u C-c C-x C-c
> 3. M-<
> 4. M-<down> M-<up> M-<down> M-<up> M-<down> M-<up> M-<down> M-<up> C-c C-c
> 5. Observe text disappearing and columns being unhighlighted. At the
>    end, the buffer is left with
>
> * B
>
> >> Finally, I see no records about you copyright assignment status.
> >> Please take a look at
> >> https://orgmode.org/worg/org-contribute.html#copyright
> >>
> >
> >  Yes, it's my first time. I sent an email to assign@gnu.org, yesterday.
>
> Note that they should reply within 5 working days.
>
> --
> Ihor Radchenko // yantar92,
> Org mode contributor,
> Learn more about Org mode at <https://orgmode.org/>.
> Support Org development at <https://liberapay.com/org-mode>,
> or support my work at <https://liberapay.com/yantar92>
>

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