Support .dir-locals-2.el in `auto-insert-mode`

* lisp/autoinsert.el (auto-insert-alist): Use Directory Local Variables
skeleton also for ".dir-locals-2.el".

(cherry picked from commit a2c3a91f0e3b6a3a22e74ef2dc473c12059e93c9)

diff --git a/lisp/autoinsert.el b/lisp/autoinsert.el
index 3a87c5610a41f7b25871d5cbddd2916441e9d986..fe909acbe20fe891890c3aa64c37708928db9590 100644 (file)
--- a/lisp/autoinsert.el
+++ b/lisp/autoinsert.el
@@ -166,7 +166,7 @@ If this contains a %s, that will be replaced by the matching rule."
          (replace-match (capitalize (user-login-name)) t t))
      '(end-of-line 1) " <" (progn user-mail-address) ">\n")
 
-    (".dir-locals.el"
+    ((,(rx ".dir-locals" (? "-2") ".el") . "Directory Local Variables")
      nil
      ";;; Directory Local Variables         -*- no-byte-compile: t; -*-\n"
      ";;; For more information see (info \"(emacs) Directory Variables\")\n\n"