Add org-plain-latex template

+org.el

@@ -43,3 +43,18 @@
                  ("\\section{%s}" . "\\section*{%s}")
                  ("\\subsection{%s}" . "\\subsection*{%s}")
                  ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))))
+;; Add org-plain-latex
+(after! ox-latex
+  (add-to-list 'org-latex-classes
+             '("org-plain-latex"
+               "\\documentclass{article}
+           [NO-DEFAULT-PACKAGES]
+           [PACKAGES]
+           [EXTRA]"
+               ("\\section{%s}" . "\\section*{%s}")
+               ("\\subsection{%s}" . "\\subsection*{%s}")
+               ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
+               ("\\paragraph{%s}" . "\\paragraph*{%s}")
+               ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))))
+;; Enable listings for LaTeX export
+(setq org-latex-listings 't)

snippets/org-mode/article latex metadata

@@ -7,5 +7,6 @@
 #+AUTHOR: Amin Kasrou Aouam
 #+LANGUAGE: es
 #+OPTIONS: toc:nil
-#+LATEX_CLASS: article
-#+LATEX_CLASS_OPTIONS: [a4paper]
+#+LATEX_CLASS: org-plain-latex
+#+LATEX_CLASS_OPTIONS: [a4paper]
+#+SETUPFILE: ~/.pandoc/templates/emacs-latex.org