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From: Kyle Meyer <kyle@kyleam.com>
To: Michael Brand <michael.ch.brand@gmail.com>,
	Samuel Wales <samologist@gmail.com>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: Cut and paste an entry programmatically
Date: Fri, 28 Jun 2019 20:58:00 -0400	[thread overview]
Message-ID: <87lfxlky1z.fsf@kyleam.com> (raw)
In-Reply-To: <CALn3zog12GqR=9Xi+TxqGO70tE4Z-i3Q4f-0FUQyHbXhq-9mKw@mail.gmail.com>

Michael Brand <michael.ch.brand@gmail.com> writes:

[...]

> With your idea I debug printed kill-ring and found that after the
> second invocation of org-cut-subtree during ~M-: (temp) RET M-: (temp)
> RET~ it consists of only one list element with a string containing
> both 1 and 2 instead of one list element with only 1 and another with
> only 2. So to me this looks like a bug in org-cut-subtree.

Hmm I don't consider that a bug.  It's documented behavior for kill
commands to append to the last kill when called successively.

,----[ C-h f kill-region RET ]
| [...]
| Any command that calls this function is a "kill command".
| If the previous command was also a kill command,
| the text killed this time appends to the text killed last time
| to make one entry in the kill ring.
| [...]
`----

To get a better feel for what's happening, I'd suggest evaluating
kill-region with C-u C-M-x and stepping through its execution.

In addition to what Samuel posted, another way for a lisp caller to
avoid the append behavior if desired is to let-bind this-command so that
kill-region's attempt to set it to kill-region doesn't work.  Using your
example, that'd be

#+begin_src emacs-lisp
(defun temp ()
  (let (this-command)
    (org-cut-subtree))
  (org-forward-heading-same-level 2)
  (org-paste-subtree))
#+end_src

-- 
Kyle

  reply	other threads:[~2019-06-29  0:58 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-16 16:40 Cut and paste an entry programmatically Michael Brand
2019-05-17 10:16 ` Michael Brand
2019-06-27 13:50 ` Fwd: " Michael Brand
2019-06-27 21:57 ` Samuel Wales
2019-06-28 11:07   ` Michael Brand
2019-06-29  0:58     ` Kyle Meyer [this message]
2019-06-29  7:27       ` Michael Brand

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