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diff --git a/shell/_emacs/org-fragments.el b/shell/_emacs/org-fragments.el
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+
+** org-mode settings
+
+*** Increase front size of latex previews
+
+#+BEGIN_SRC emacs-lisp
+(setq org-format-latex-options (plist-put 'org-format-latex-options :scale 2.0))
+#+END_SRC
+
+*** Other customizations
+TODO: create subgroups
+
+#+BEGIN_SRC emacs-lisp
+;; org-mode
+;; active Babel languages
+;; TODO: load on demand
+  (org-babel-do-load-languages
+   'org-babel-load-languages
+   '((R . t)
+	 (python . t)
+	 ))
+
+(add-hook 'org-babel-after-execute-hook 'org-display-inline-images)
+(add-hook 'org-mode-hook 'org-display-inline-images)
+(setq org-confirm-babel-evaluate nil)
+(setq org-export-html-validation-link nil)
+(setq org-export-allow-BIND t)
+(setq org-support-shift-select t)
+(setq org-src-fontify-natively t)
+
+
+;; iimage (show images inline)
+;; (when window-system
+;;   (defun iimage-fix-underlining ()
+;;   ;;   (set-face-underline-p 'org-link nil) ;; deactivate underlining
+;;     ) ;; TODO: needing something better aka unclickable links
+
+;;   (defun iimage-refresh-iimages ()
+;;     "Hacked refresh"
+;;     (clear-image-cache nil)
+;;     (iimage-mode nil)
+;;     (iimage-mode t))
+
+;;   (add-hook 'org-mode-hook 'iimage-mode)
+;;   (add-hook 'after-save-hook 'iimage-refresh-iimages)
+;;   (add-hook 'iimage-mode-hook 'iimage-fix-underlining)
+;;   (iimage-mode nil)
+;;   (add-to-list 'iimage-mode-image-regex-alist
+;;                (cons (concat "\\[\\[file:\\(~?" iimage-mode-image-filename-regex
+;;                            "\\)\\]")  1))
+;;   )
+#+END_SRC
+
+** increase memory for tables
+
+#+BEGIN_SRC emacs-lisp
+;; Increase memory for tables
+(setq max-lisp-eval-depth '40000)
+(setq max-specpdl-size '100000)
+#+END_SRC