[BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Antero Mejr]

Remember to cover the basics, that is, what you expected to happen and
what in fact did happen.  You don't know how to make a good report?  See

     https://orgmode.org/manual/Feedback.html#Feedback

Your bug report will be posted to the Org mailing list.
------------------------------------------------------------------------

When exporting a latex document using `org-latex-export-to-latex`, a
\hypersetup section is added that contains the author name and title,
even though the variables `org-export-with-title` and
`org-export-with-author` are nil.

The \title{} section is also populated when `org-export-with-title` is
nil.

I think the latex exporter should work like the HTML exporter, and
respect the `org-export-with-*` settings to suppress the export of those
commands.

Emacs  : GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.41, cairo version 1.18.0)
 of 2024-04-01, modified by Debian
Package: Org mode version 9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Pedro Andres Aranda Gutierrez]

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Antero writes:
> When exporting a latex document using `org-latex-export-to-latex`, a
> \hypersetup section is added that contains the author name and title,
> even though the variables `org-export-with-title` and
> `org-export-with-author` are nil.
>
> The \title{} section is also populated when `org-export-with-title` is
> nil.
>
> I think the latex exporter should work like the HTML exporter, and
> respect the `org-export-with-*` settings to suppress the export of those
> commands.
>
> Emacs  : GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.24.41,
> cairo version 1.18.0)
>  of 2024-04-01, modified by Debian
> Package: Org mode version 9.6.15 (release_9.6.15 @
> /usr/share/emacs/29.3/lisp/org/)

This is a good one... Working on it

Best, /PA
-- 
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler

Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
a leader-deposed hook here, but we can't yet

[-- Attachment #2: Type: text/html, Size: 1472 bytes --]

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Pedro Andres Aranda Gutierrez]

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BTW,

Antero writes:
> The \title{} section is also populated when `org-export-with-title` is
> nil.

In this case, we should also eliminate the \maketitle right?

Best, /PA

On Tue, 28 Jan 2025 at 08:31, Pedro Andres Aranda Gutierrez <
paaguti@gmail.com> wrote:

> Antero writes:
> > When exporting a latex document using `org-latex-export-to-latex`, a
> > \hypersetup section is added that contains the author name and title,
> > even though the variables `org-export-with-title` and
> > `org-export-with-author` are nil.
> >
> > The \title{} section is also populated when `org-export-with-title` is
> > nil.
> >
> > I think the latex exporter should work like the HTML exporter, and
> > respect the `org-export-with-*` settings to suppress the export of those
> > commands.
> >
> > Emacs  : GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version
> 3.24.41,
> > cairo version 1.18.0)
> >  of 2024-04-01, modified by Debian
> > Package: Org mode version 9.6.15 (release_9.6.15 @
> > /usr/share/emacs/29.3/lisp/org/)
>
> This is a good one... Working on it
>
> Best, /PA
> --
> Fragen sind nicht da, um beantwortet zu werden,
> Fragen sind da um gestellt zu werden
> Georg Kreisler
>
> Headaches with a Juju log:
> unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
> a leader-deposed hook here, but we can't yet
>
>

-- 
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler

Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
a leader-deposed hook here, but we can't yet

[-- Attachment #2: Type: text/html, Size: 2621 bytes --]

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Pedro Andres Aranda Gutierrez]

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Hi,

attached is a fix for the reported BUG, including a couple of test cases

Best, /PA

On Tue, 28 Jan 2025 at 09:02, Pedro Andres Aranda Gutierrez <
paaguti@gmail.com> wrote:

> BTW,
>
> Antero writes:
> > The \title{} section is also populated when `org-export-with-title` is
> > nil.
>
> In this case, we should also eliminate the \maketitle right?
>
> Best, /PA
>
> On Tue, 28 Jan 2025 at 08:31, Pedro Andres Aranda Gutierrez <
> paaguti@gmail.com> wrote:
>
>> Antero writes:
>> > When exporting a latex document using `org-latex-export-to-latex`, a
>> > \hypersetup section is added that contains the author name and title,
>> > even though the variables `org-export-with-title` and
>> > `org-export-with-author` are nil.
>> >
>> > The \title{} section is also populated when `org-export-with-title` is
>> > nil.
>> >
>> > I think the latex exporter should work like the HTML exporter, and
>> > respect the `org-export-with-*` settings to suppress the export of those
>> > commands.
>> >
>> > Emacs  : GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version
>> 3.24.41,
>> > cairo version 1.18.0)
>> >  of 2024-04-01, modified by Debian
>> > Package: Org mode version 9.6.15 (release_9.6.15 @
>> > /usr/share/emacs/29.3/lisp/org/)
>>
>> This is a good one... Working on it
>>
>> Best, /PA
>> --
>> Fragen sind nicht da, um beantwortet zu werden,
>> Fragen sind da um gestellt zu werden
>> Georg Kreisler
>>
>> Headaches with a Juju log:
>> unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should
>> run a leader-deposed hook here, but we can't yet
>>
>>
>
> --
> Fragen sind nicht da, um beantwortet zu werden,
> Fragen sind da um gestellt zu werden
> Georg Kreisler
>
> Headaches with a Juju log:
> unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
> a leader-deposed hook here, but we can't yet
>
>

-- 
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler

Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
a leader-deposed hook here, but we can't yet

[-- Attachment #1.2: Type: text/html, Size: 3652 bytes --]

[-- Attachment #2: 0002-Test-last-patch-and-announce-it-in-ORG-NEWS.patch --]
[-- Type: text/x-patch, Size: 3297 bytes --]

From 46eedaf8c71446c2d12f5484ecced491ae7ae760 Mon Sep 17 00:00:00 2001
From: "Pedro A. Aranda" <paaguti@gmail.com>
Date: Tue, 28 Jan 2025 10:59:12 +0100
Subject: [PATCH 2/2] Test last patch and announce it in ORG-NEWS

---

etc/ORG-NEWS: Announce fix for :with-title and :with-author
testing/lisp/test-ox-latex.el: Add to tests for fixed behaviour

* etc/ORG-NEWS: Announce fix for :with-title and :with-author
* testing/lisp/test-ox-latex.el: (test-ox-latex/with-title-nil)
Make sure the title is not included in the generated LaTeX if
:with-title is nil
(test-ox-latex/with-author-nil)
Make sure the author is not included in the generated LaTeX if
:with-author is nil

 etc/ORG-NEWS                  |  7 ++++++
 testing/lisp/test-ox-latex.el | 44 +++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

Reported-by: "Antero Mejr"
Link: https://lists.gnu.org/archive/html/emacs-orgmode/2025-01/msg00313.html

diff --git a/etc/ORG-NEWS b/etc/ORG-NEWS
index cb2c16da8..7fa30223f 100644
--- a/etc/ORG-NEWS
+++ b/etc/ORG-NEWS
@@ -527,6 +527,13 @@ were tangled into a file named =NAME.bibtex=.  Now, they are tangled
 into a file named =FILE.bib=, using the standard extension =.bib=,
 matching the rest of the ecosystem, including BibTeX and LaTeX.
 
+*** =ox-latex=: fixed =:with-title= and =:with-author= handling
+
+The LaTeX exporter will not include the author in the resulting
+document if the =:with-author= property is ~nil~; the same will happen
+for =:with-title=. These properties are set with the
+~org-export-with-author~ and ~org-export-with-title~ global variables.
+
 * Version 9.7
 
 ** Important announcements and breaking changes
diff --git a/testing/lisp/test-ox-latex.el b/testing/lisp/test-ox-latex.el
index 892ac4437..be107f510 100644
--- a/testing/lisp/test-ox-latex.el
+++ b/testing/lisp/test-ox-latex.el
@@ -127,5 +127,49 @@ Column & Column \\\\
      (search-forward
       "\\href{https://orgmode.org/worg/images/orgmode/org-mode-unicorn.svg}{\\includegraphics[width=.9\\linewidth]{/wallpaper.png}}"))))
 
+(ert-deftest test-ox-latex/with-title-nil ()
+  "Test suppressing title in exported LaTeX"
+  (let ((org-export-with-title nil))
+    (org-test-with-exported-text
+     'latex
+     "#+AUTHOR: me
+#+TITLE: Supressed
+
+* A test
+A wonderful text"
+     (goto-char (point-min))
+     (should-not
+      (search-forward "\\maketitle" nil t))
+     (goto-char (point-min))
+     (should-not
+      (search-forward "\\title{Suppressed}" nil t))
+     (goto-char (point-min))
+     (should-not
+      (search-forward "pdftitle={Suppressed}," nil t))
+     (goto-char (point-min))
+     (should
+      (search-forward "pdftitle={},"))
+     )))
+
+(ert-deftest test-ox-latex/with-author-nil ()
+  "Test suppressing author in exported LaTeX"
+  (let ((org-export-with-author nil))
+    (org-test-with-exported-text
+     'latex
+     "#+AUTHOR: me
+#+TITLE: Supressed
+
+* A test
+A wonderful text"
+     (goto-char (point-min))
+     (should-not
+      (search-forward "\\author{me}" nil t))
+     (goto-char (point-min))
+     (should-not
+      (search-forward "pdftitle={me}," nil t))
+     (goto-char (point-min))
+     (should
+      (search-forward "pdfauthor={},"))
+     )))
 (provide 'test-ox-latex)
 ;;; test-ox-latex.el ends here
-- 
2.34.1


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From adbd4d4d14659fd8930ed9947ffb97696c4289da Mon Sep 17 00:00:00 2001
From: "Pedro A. Aranda" <paaguti@gmail.com>
Date: Tue, 28 Jan 2025 10:16:20 +0100
Subject: [PATCH 1/2] obet with-title and with-author

---

lisp/ox-latex.el: Obey :with-author and :with-title when exporting

* lisp/ox-latex.el (org-latex-template) Do not generate `\title{}'
and related when :with-title is nil. Do not generate `\author{}' and
related when :with-author is nil. Fix `\hypersetup{}' accordingly.

 lisp/ox-latex.el | 32 +++++++++++++++++++-------------
 1 file changed, 19 insertions(+), 13 deletions(-)

Reported-by: "Antero Mejr"
Link: https://lists.gnu.org/archive/html/emacs-orgmode/2025-01/msg00313.html

diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index 16f8f5af2..409fa98cb 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -2041,21 +2041,27 @@ holding export options."
      (let ((date (and (plist-get info :with-date) (org-export-get-date info))))
        (format "\\date{%s}\n" (org-export-data date info)))
      ;; Title and subtitle.
-     (let* ((subtitle (plist-get info :subtitle))
-	    (formatted-subtitle
-	     (when subtitle
-	       (format (plist-get info :latex-subtitle-format)
-		       (org-export-data subtitle info))))
-	    (separate (plist-get info :latex-subtitle-separate)))
-       (concat
-	(format "\\title{%s%s}\n" title
-		(if separate "" (or formatted-subtitle "")))
-	(when (and separate subtitle)
-	  (concat formatted-subtitle "\n"))))
+     (when (plist-get info :with-title)
+       (let* ((subtitle (plist-get info :subtitle))
+	      (formatted-subtitle
+	       (when subtitle
+	         (format (plist-get info :latex-subtitle-format)
+		         (org-export-data subtitle info))))
+	      (separate (plist-get info :latex-subtitle-separate)))
+         (concat
+	  (format "\\title{%s%s}\n" title
+		  (if separate "" (or formatted-subtitle "")))
+	  (when (and separate subtitle)
+	    (concat formatted-subtitle "\n")))))
      ;; Hyperref options.
      (let ((template (plist-get info :latex-hyperref-template)))
-       (and (stringp template)
-            (format-spec template spec)))
+       (when (stringp template)
+         (unless (plist-get info :with-author)
+           (setq template (replace-regexp-in-string "%a" "" template)))
+         (unless (plist-get info :with-title)
+           ;; Replace title *and* subtitle
+           (setq template (replace-regexp-in-string "%[ts]" "" template)))
+         (format-spec template spec)))
      ;; engrave-faces-latex preamble
      (when (and (eq (plist-get info :latex-src-block-backend) 'engraved)
                 (org-element-map (plist-get info :parse-tree)
-- 
2.34.1

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Antero Mejr]

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Pedro Andres Aranda Gutierrez <paaguti@gmail.com> writes:

> attached is a fix for the reported BUG, including a couple of test cases

That seems to work, thanks. I attached a patch that handles
org-export-with-creator too.

It would be good if these fixes were also ported over to org-beamer,
since the same problem happens there.


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
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From 81106718ffd0c5341a5de03d0f0a615832d7d504 Mon Sep 17 00:00:00 2001
From: Antero Mejr <mail@antr.me>
Date: Tue, 28 Jan 2025 14:13:35 -0500
Subject: [PATCH] lisp/ox-latex.el: Obey :with-creator when exporting

* lisp/ox-latex.el (org-latex-template) Do not fill pdfcreator
hypersetup field when :with-creator is nil.
---
 lisp/ox-latex.el | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index 409fa98cb..8884cf786 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -2061,6 +2061,9 @@ holding export options."
          (unless (plist-get info :with-title)
            ;; Replace title *and* subtitle
            (setq template (replace-regexp-in-string "%[ts]" "" template)))
+         (unless (plist-get info :with-creator)
+           ;; Replace creator
+           (setq template (replace-regexp-in-string "%c" "" template)))
          (format-spec template spec)))
      ;; engrave-faces-latex preamble
      (when (and (eq (plist-get info :latex-src-block-backend) 'engraved)
-- 
2.43.0

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Pedro Andres Aranda Gutierrez]

Hi,

Thanks a lot. I would like a couple of days to look at the creator part specifically and adding this in to ox-Beamer. Or maybe even factoring out.

FTMB, let’s wait for Ihor’s reaction to this and discuss the pdfcreator part. 

The semantics behind is different. I happens to be the program that created the PDF.
Could you please expand on why you want to block that too?

Best, /PA

Enviado desde mi iPad

> El 28 ene 2025, a las 20:20, Antero Mejr <mail@antr.me> escribió:
> 
> Pedro Andres Aranda Gutierrez <paaguti@gmail.com> writes:
> 
>> attached is a fix for the reported BUG, including a couple of test cases
> 
> That seems to work, thanks. I attached a patch that handles
> org-export-with-creator too.
> 
> It would be good if these fixes were also ported over to org-beamer,
> since the same problem happens there.
> 
> <0001-lisp-ox-latex.el-Obey-with-creator-when-exporting.patch>

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Antero Mejr]

Pedro Andres Aranda Gutierrez <paaguti@gmail.com> writes:

> Thanks a lot. I would like a couple of days to look at the creator part
> specifically and adding this in to ox-Beamer. Or maybe even factoring out.
>
> FTMB, let’s wait for Ihor’s reaction to this and discuss the pdfcreator part. 
>
> The semantics behind is different. I happens to be the program that created the PDF.
> Could you please expand on why you want to block that too?

When publishing documents anonymously, as much metadata as possible
should be removed/removable. Also, it is misleading to have such a
setting if some exporters ignore it.

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Pedro Andres Aranda Gutierrez]

Agree, but pdfcreator refers to a program, and thus it has nothing to do with exporting neither title nor author.

If you need this, you can always set the hypersetup in your eMacs configuration to fit your needs. BTW, this is what I needed to do once (in the very many presentations I have produced in the last 10 years).

I fear we go beyond the purpose of the org-export-with-* if we follow the path you suggest. 
@Ihor: WDYT?


Enviado desde mi iPhone

> El 29 ene 2025, a las 22:06, Antero Mejr <mail@antr.me> escribió:
> 
> Pedro Andres Aranda Gutierrez <paaguti@gmail.com> writes:
> 
>> Thanks a lot. I would like a couple of days to look at the creator part
>> specifically and adding this in to ox-Beamer. Or maybe even factoring out.
>> 
>> FTMB, let’s wait for Ihor’s reaction to this and discuss the pdfcreator part.
>> 
>> The semantics behind is different. I happens to be the program that created the PDF.
>> Could you please expand on why you want to block that too?
> 
> When publishing documents anonymously, as much metadata as possible
> should be removed/removable. Also, it is misleading to have such a
> setting if some exporters ignore it.

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Pedro Andres Aranda Gutierrez]

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PS: A reference
Section 6.9 of
https://opensource.adobe.com/dc-acrobat-sdk-docs/pdfstandards/pdfreference1.0.pdf

best, /PA

On Thu, 30 Jan 2025 at 06:43, Pedro Andres Aranda Gutierrez <
paaguti@gmail.com> wrote:

> Agree, but pdfcreator refers to a program, and thus it has nothing to do
> with exporting neither title nor author.
>
> If you need this, you can always set the hypersetup in your eMacs
> configuration to fit your needs. BTW, this is what I needed to do once (in
> the very many presentations I have produced in the last 10 years).
>
> I fear we go beyond the purpose of the org-export-with-* if we follow the
> path you suggest.
> @Ihor: WDYT?
>
>
> Enviado desde mi iPhone
>
> > El 29 ene 2025, a las 22:06, Antero Mejr <mail@antr.me> escribió:
> >
> > Pedro Andres Aranda Gutierrez <paaguti@gmail.com> writes:
> >
> >> Thanks a lot. I would like a couple of days to look at the creator part
> >> specifically and adding this in to ox-Beamer. Or maybe even factoring
> out.
> >>
> >> FTMB, let’s wait for Ihor’s reaction to this and discuss the pdfcreator
> part.
> >>
> >> The semantics behind is different. I happens to be the program that
> created the PDF.
> >> Could you please expand on why you want to block that too?
> >
> > When publishing documents anonymously, as much metadata as possible
> > should be removed/removable. Also, it is misleading to have such a
> > setting if some exporters ignore it.
>


-- 
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler

Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
a leader-deposed hook here, but we can't yet

[-- Attachment #2: Type: text/html, Size: 2635 bytes --]

Re: [BUG] Latex exporter should consider export settings [9.6.15 (release_9.6.15 @ /usr/share/emacs/29.3/lisp/org/)]

[Pedro Andres Aranda Gutierrez]

[-- Attachment #1.1: Type: text/plain, Size: 2622 bytes --]

PPS: In your case, you could also

---- cut here -----
 (set-default org-latex-hyperref-template "\\hypersetup{
 colorlinks=true,linkcolor=black,citecolor=black,pagecolor=black,urlcolor=blue,
 pdfborder={0 0 0}")
--- cut here---

to avoid including any personal metadata. Just an experiment:
[image: image.png]
Is that enough for you. As you see Producer and Creator appear, but refer
to the programs generating your PDF.

Best, /PA


On Thu, 30 Jan 2025 at 07:56, Pedro Andres Aranda Gutierrez <
paaguti@gmail.com> wrote:

> PS: A reference
> Section 6.9 of
> https://opensource.adobe.com/dc-acrobat-sdk-docs/pdfstandards/pdfreference1.0.pdf
>
> best, /PA
>
> On Thu, 30 Jan 2025 at 06:43, Pedro Andres Aranda Gutierrez <
> paaguti@gmail.com> wrote:
>
>> Agree, but pdfcreator refers to a program, and thus it has nothing to do
>> with exporting neither title nor author.
>>
>> If you need this, you can always set the hypersetup in your eMacs
>> configuration to fit your needs. BTW, this is what I needed to do once (in
>> the very many presentations I have produced in the last 10 years).
>>
>> I fear we go beyond the purpose of the org-export-with-* if we follow the
>> path you suggest.
>> @Ihor: WDYT?
>>
>>
>> Enviado desde mi iPhone
>>
>> > El 29 ene 2025, a las 22:06, Antero Mejr <mail@antr.me> escribió:
>> >
>> > Pedro Andres Aranda Gutierrez <paaguti@gmail.com> writes:
>> >
>> >> Thanks a lot. I would like a couple of days to look at the creator part
>> >> specifically and adding this in to ox-Beamer. Or maybe even factoring
>> out.
>> >>
>> >> FTMB, let’s wait for Ihor’s reaction to this and discuss the
>> pdfcreator part.
>> >>
>> >> The semantics behind is different. I happens to be the program that
>> created the PDF.
>> >> Could you please expand on why you want to block that too?
>> >
>> > When publishing documents anonymously, as much metadata as possible
>> > should be removed/removable. Also, it is misleading to have such a
>> > setting if some exporters ignore it.
>>
>
>
> --
> Fragen sind nicht da, um beantwortet zu werden,
> Fragen sind da um gestellt zu werden
> Georg Kreisler
>
> Headaches with a Juju log:
> unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
> a leader-deposed hook here, but we can't yet
>
>

-- 
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler

Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run
a leader-deposed hook here, but we can't yet

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