add ox-tufte patch

lisp/0patches/ox-tufte.el-check-named-backend.patch

@@ -0,0 +1,16 @@
+diff --git a/lisp/ox-tufte/ox-tufte.el b/lisp/ox-tufte/ox-tufte.el
+index 50bd2b1b..37f295d8 100644
+--- a/lisp/ox-tufte/ox-tufte.el
++++ b/lisp/ox-tufte/ox-tufte.el
+@@ -300,7 +300,10 @@ advice may additionally temporarily override the value of
+ `org-confirm-babel-evaluate' in order to allow the `marginnote'
+ babel block."
+   (random "ox-tufte") ;; initialize the random seed
+-  (let* ((ox-tufte-p (org-export-derived-backend-p backend 'tufte-html))
++  (let* ((ox-tufte-p (and backend
++                          (org-export-backend-p backend)
++                          (org-export-backend-name backend)
++                          (org-export-derived-backend-p backend 'tufte-html)))
+          (ox-tufte-first-call-p (and ox-tufte-p
+                                      (not ox-tufte--sema-in-tufte-export)))
+          (ox-tufte--sema-in-tufte-export (or ox-tufte-p

settings/org-settings.el

@@ -251,7 +251,7 @@ Example defines
   ;;:bind (("C-c <del>" . org-mark-ring-goto))  ;; normally at C-c & but it is redefined by yasnippet
   :init
   (require 'org-loaddefs)
-  (setq org-export-backends '(ascii html icalendar latex md odt reveal tufte))
+  (setq org-export-backends '(ascii html icalendar latex md odt reveal))
   :config
 
   (defun my-echo-area-tooltips ()