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[elpa] externals/org 43ba00b2b1: ob-latex: New custom option `org-babel-
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[elpa] externals/org 43ba00b2b1: ob-latex: New custom option `org-babel-latex-process-alist' |
Date: |
Sun, 5 May 2024 06:58:53 -0400 (EDT) |
branch: externals/org
commit 43ba00b2b14adfb2670555f9a4a286bd4d1dc0d5
Author: Ihor Radchenko <yantar92@posteo.net>
Commit: Ihor Radchenko <yantar92@posteo.net>
ob-latex: New custom option `org-babel-latex-process-alist'
* lisp/ob-latex.el (org-babel-latex-process-alist): New variable.
(org-babel-execute:latex): Override `org-preview-latex-process-alist'
when generating png output, making sure that the process yields an
actual png image, even when `org-preview-latex-default-process' is
non-default.
* etc/ORG-NEWS (=ob-latex= now uses a new option
~org-babel-latex-process-alist~ to generate png output): Announce the
change.
Reported-by: Ihor Radchenko <yantar92@posteo.net>
Link: https://orgmode.org/list/87cyretut7.fsf@localhost
---
etc/ORG-NEWS | 13 +++++++++++++
lisp/ob-latex.el | 18 ++++++++++++++++--
2 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/etc/ORG-NEWS b/etc/ORG-NEWS
index 99dd8839cc..3c597db404 100644
--- a/etc/ORG-NEWS
+++ b/etc/ORG-NEWS
@@ -710,6 +710,19 @@ any more. Run ~org-ctags-enable~ to setup hooks and
advices:
#+end_src
** New and changed options
+*** =ob-latex= now uses a new option ~org-babel-latex-process-alist~ to
generate png output
+
+Previously, =ob-latex= used ~org-preview-latex-default-process~ from
+~org-preview-latex-process-alist~ to produce png output. Now, the
+process settings are separated into a new dedicated option
+~org-babel-latex-process-alist~.
+
+The default value is pulled from =dvipng= process type from
+~org-preview-latex-process-alist~, preserving the existing behavior.
+However, the output is now immune to changes in
+~org-preview-latex-default-process~ and can be customized
+independently of the image preview settings.
+
*** ~org-babel-lua-multiple-values-separator~
The string that separates the values of multi-valued results returned
diff --git a/lisp/ob-latex.el b/lisp/ob-latex.el
index 866ae1ba1c..58051fae19 100644
--- a/lisp/ob-latex.el
+++ b/lisp/ob-latex.el
@@ -52,6 +52,7 @@
(defvar org-format-latex-options) ; From org.el
(defvar org-latex-default-packages-alist) ; From org.el
(defvar org-latex-packages-alist) ; From org.el
+(defvar org-preview-latex-process-alist) ; From org.el
(defvar org-babel-default-header-args:latex
'((:results . "latex") (:exports . "results"))
@@ -128,6 +129,18 @@ exporting the literal LaTeX source."
:group 'org-babel
:type '(repeat (string)))
+(defcustom org-babel-latex-process-alist
+ `(,(cons 'png (alist-get 'dvipng org-preview-latex-process-alist)))
+ "Definitions of external processes for LaTeX result generation.
+See `org-preview-latex-process-alist' for more details.
+
+The following process symbols are recognized:
+- `png' :: Process used to produce .png output."
+ :group 'org-babel
+ :package-version '(Org . "9.7")
+ :type '(alist :tag "LaTeX to image backends"
+ :value-type (plist)))
+
(defun org-babel-expand-body:latex (body params)
"Expand BODY according to PARAMS, return the expanded body."
(mapc (lambda (pair) ;; replace variables
@@ -169,9 +182,10 @@ This function is called by `org-babel-execute-src-block'."
((and (string-suffix-p ".png" out-file) (not imagemagick))
(let ((org-format-latex-header
(concat org-format-latex-header "\n"
- (mapconcat #'identity headers "\n"))))
+ (mapconcat #'identity headers "\n")))
+ (org-preview-latex-process-alist
org-babel-latex-process-alist))
(org-create-formula-image
- body out-file org-format-latex-options in-buffer)))
+ body out-file org-format-latex-options in-buffer 'png)))
((string= "svg" extension)
(with-temp-file tex-file
(insert (concat (funcall org-babel-latex-preamble params)
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