Max Nikulin <maniku...@gmail.com> writes:
> On 24/01/2024 19:11, Ihor Radchenko wrote:
>> The \section[...]{...} approach may work, but it is tricky - it is
>> completely up to the `org-latex-classes'. So, we may have to use regexp
>> replacement, which might be fragile.
>
> ox supports the ALT_TITLE property and ox-latex already adds it using
> regexp. So it should possible to define this property with stripped
> footnote by an export filter. I have not tested it, but ALT_TITLE and
> @@latex:\protect@@ might be a workaround.
Good point.
See the attached tentative patch.
>From b4d896f7daf5e7b2cf8dabfba5b9dbf212f0c54c Mon Sep 17 00:00:00 2001
Message-ID: <b4d896f7daf5e7b2cf8dabfba5b9dbf212f0c54c.1706270932.git.yanta...@posteo.net>
From: Ihor Radchenko <yanta...@posteo.net>
Date: Fri, 26 Jan 2024 13:07:13 +0100
Subject: [PATCH] org-latex-headline: Prevent footnotes in TOC/footers
* lisp/ox-latex.el (org-latex-headline): When headline contains
footnotes and does not have ALT_TITLE, arrange alternative title that
will appear in TOC and footers to not have any footnotes.
Reported-by: Eric Anderson <klu...@gmail.com>
Link: https://orgmode.org/list/691643eb-49d0-45c3-ab7f-a1edbd093...@gmail.com
---
lisp/ox-latex.el | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index df20345f8..4f5258ea1 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -2312,9 +2312,22 @@ (defun org-latex-headline (headline contents info)
;; with \texttt.
(code . (lambda (o _ _) (org-latex--protect-texttt (org-element-property :value o))))
(verbatim . (lambda (o _ _) (org-latex--protect-texttt (org-element-property :value o)))))))
+ ;; Create a temporary export backend that strips footnotes from title.
+ ;; Footnotes are not allowed in \section and similar
+ ;; commands that contribute to TOC and footers.
+ ;; See https://orgmode.org/list/691643eb-49d0-45c3-ab7f-a1edbd093...@gmail.com
+ ;; https://texfaq.org/FAQ-ftnsect
+ (section-no-footnote-backend
+ (org-export-create-backend
+ :parent section-backend
+ :transcoders
+ `((footnote-reference . ignore))))
(text
(org-export-data-with-backend
(org-element-property :title headline) section-backend info))
+ (text-no-footnote
+ (org-export-data-with-backend
+ (org-element-property :title headline) section-no-footnote-backend info))
(todo
(and (plist-get info :with-todo-keywords)
(let ((todo (org-element-property :todo-keyword headline)))
@@ -2328,6 +2341,9 @@ (defun org-latex-headline (headline contents info)
;; The latter is required to remove tags from toc.
(full-text (funcall (plist-get info :latex-format-headline-function)
todo todo-type priority text tags info))
+ (full-text-no-footnote
+ (funcall (plist-get info :latex-format-headline-function)
+ todo todo-type priority text-no-footnote tags info))
;; Associate \label to the headline for internal links.
(headline-label (org-latex--label headline info t t))
(pre-blanks
@@ -2385,10 +2401,14 @@ (defun org-latex-headline (headline contents info)
(string-match-p "\\<local\\>" v)
(format "\\stopcontents[level-%d]" level)))))
info t)))))
- (if (and opt-title
- (not (equal opt-title full-text))
+ (if (and (or (and opt-title (not (equal opt-title full-text)))
+ ;; Heading contains footnotes. Add optional title
+ ;; version without footnotes to avoid footnotes in
+ ;; TOC/footers.
+ (and (not (equal full-text-no-footnote full-text))
+ (setq opt-title full-text-no-footnote)))
(string-match "\\`\\\\\\(.+?\\){" section-fmt))
- (format (replace-match "\\1[%s]" nil nil section-fmt 1)
+ (format (replace-match "\\1[%s]" nil nil section-fmt 1)
;; Replace square brackets with parenthesis
;; since square brackets are not supported in
;; optional arguments.
--
2.43.0
--
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>
