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Re: [O] Bug: Bug: org-in-item-p indicates point is in list when it isn't

From: Titus von der Malsburg
Subject: Re: [O] Bug: Bug: org-in-item-p indicates point is in list when it isn't [8.3.3 (release_8.3.3-529-gfed40e @ /home/malsburg/usr/share/emacs/site-lisp/org/)] [9.0.5 (9.0.5-elpa @ /home/malsburg/.emacs.d/elpa/org-20170210/)]
Date: Sun, 21 May 2017 16:37:59 +0200
User-agent: mu4e 0.9.19; emacs

On 2017-05-21 Sun 12:57, Nicolas Goaziou wrote:
> Hello,
> Titus von der Malsburg <address@hidden> writes:
>> In the example below, when I place the cursor on “Item 2” and then do
>> (org-end-of-item-list), the cursor is correctly placed at the beginning
>> of line 4.  However, when I then say (org-in-item-p), I get something
>> non-nil.  When I move the cursor to the beginning of line 5, I still get
>> non-nil for (org-in-item-p).  The expected result is nil on line 4 and
>> 5.  If (org-in-item-p) gives non-nil, (org-end-of-item-list) has
>> obviously not moved us to the end of the list.  I think
>> (org-end-of-item-list) is doing the right thing but (org-in-item-p)
>> doesn’t.
> I don't see any bug. Blank lines after a plain list still belong to the
> plain list, so `org-in-item-p' is correct.
> Indeed, `org-end-of-item-list' moves to the end of the last item

No, it does not move us to the end of the item.  That’s precisely the
problem.  org-in-item-p returns non-nil even for positions after the point
to which org-end-of-item-list takes us.

> instead
> of the very end of the list, but I consider it to be a feature, e.g.,
> when you need to exchange two items in the list.
> You may want to explain what is bothering you in this results.

The documentation of org-end-of-item-list says:

  Go to the end of the current list or sublist.

However, when I call this function and then move the point one line
further down in the example, org-in-item-p still says I’m in the
list.  It logically follows that org-end-of-item-list did not take me to
the end of the list, contrary to what the documentation says.

It may be convenient that org-end-of-item-list doesn’t take us to the
very end of the list (in my use case it’s not), but that behavior is
clearly neither consistent with the name of the function nor with its
documentation.  According to the documentation, org–end-of-item-list
should take us to the last position where org-in-item-p returns
non-nil.  Since it doesn’t, there is a bug, either in the implementation
or in the documentation.

> Also, I suggest to use `org-element-at-point' instead.

Thanks.  In the meantime, I had found org-list-struct which also solves
my problem.


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