[elpa] externals/org f30f6dc4bc: org-preview-latex-process-alist: Add xelatex support for latex preview

[ELPA Syncer]

branch: externals/org
commit f30f6dc4bc50490c7e1b7e406994b9713880b413
Author: Billy Lei <LeiYiXia29@outlook.com>
Commit: Ihor Radchenko <yantar92@posteo.net>

    org-preview-latex-process-alist: Add xelatex support for latex preview
    
    * lisp/org.el (org-preview-latex-process-alist): Add new process
    "xelatex" to allow using xelatex to generate latex preview.
    
    TINYCHANGE
---
 etc/ORG-NEWS |  8 ++++++++
 lisp/org.el  | 11 ++++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/etc/ORG-NEWS b/etc/ORG-NEWS
index 919dea33d2..1b9dc70300 100644
--- a/etc/ORG-NEWS
+++ b/etc/ORG-NEWS
@@ -237,6 +237,14 @@ You may return to the previous behaviour by setting
 Note that Emacs warnings can always be suppressed by clicking on ⛔
 symbol or by customizing ~warning-suppress-types~.
 
+*** Allow using =xelatex= for LaTeX preview
+
+A new process =xelatex= is added to ~org-preview-process-alist~ to
+allow generating LaTeX fragment preview through =xdv= file produced by
+XeLaTeX, which has better support for Unicode.
+
+You can now set ~org-preview-latex-default-process~ to ~'xelatex~.
+
 *** New option ~org-edit-keep-region~
 
 Since Org 9.7, structure editing commands do not deactivate region
diff --git a/lisp/org.el b/lisp/org.el
index 3fcc036970..f73e4f70e7 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -3392,6 +3392,15 @@ All available processes and theirs documents can be 
found in
      :image-size-adjust (1.7 . 1.5)
      :latex-compiler ("latex -interaction nonstopmode -output-directory %o %f")
      :image-converter ("dvisvgm %f --no-fonts --exact-bbox --scale=%S 
--output=%O"))
+    (xelatex
+     :programs ("xelatex" "dvisvgm")
+     :description "xdv > svg"
+     :message "you need to install the programs: xelatex and dvisvgm."
+     :image-input-type "xdv"
+     :image-output-type "svg"
+     :image-size-adjust (1.7 . 1.5)
+     :latex-compiler ("xelatex -no-pdf -interaction nonstopmode 
-output-directory %o %f")
+     :image-converter ("dvisvgm %f --no-fonts --exact-bbox --scale=%S 
--output=%O"))
     (imagemagick
      :programs ("latex" "convert")
      :description "pdf > png"
@@ -3453,7 +3462,7 @@ Place-holders only used by `:image-converter':
   %S    the image size scale ratio, which is used to adjust image size by some
         processing commands."
   :group 'org-latex
-  :package-version '(Org . "9.6")
+  :package-version '(Org . "9.8")
   :type '(alist :tag "LaTeX to image backends"
                :value-type (plist)))