; Fix recent additions with lisp-data-mode

* lisp/bookmark.el (bookmark-insert-file-format-version-stamp)
(save-place-alist-to-file): Delimit file-local variables on the -*-
line with semicolons.
* lisp/files.el (auto-mode-alist): Use shy regexp group.

lisp/bookmark.el

@@ -736,7 +736,7 @@ CODING is the symbol of the coding-system in which the file is encoded."
   (insert
    (format
     ";;;; Emacs Bookmark Format Version %d\
-;;;; -*- coding: %S mode: lisp-data -*-\n"
+;;;; -*- coding: %S; mode: lisp-data -*-\n"
     bookmark-file-format-version (coding-system-base coding)))
   (insert ";;; This format is meant to be slightly human-readable;\n"
           ";;; nevertheless, you probably don't want to edit it.\n"

lisp/files.el

@@ -2657,9 +2657,9 @@ since only a single case-insensitive search through the alist is made."
      ("\\.ltx\\'" . latex-mode)
      ("\\.dtx\\'" . doctex-mode)
      ("\\.org\\'" . org-mode)
-     ;; .dir-locals.el is not really elisp.  Could use the
+     ;; .dir-locals.el is not really Elisp.  Could use the
      ;; `dir-locals-file' constant if it weren't defined below.
-     ("\\.dir-locals\\(-2\\)?\\.el\\'" . lisp-data-mode)
+     ("\\.dir-locals\\(?:-2\\)?\\.el\\'" . lisp-data-mode)
      ("eww-bookmarks\\'" . lisp-data-mode)
      ("tramp\\'" . lisp-data-mode)
      ("places\\'" . lisp-data-mode)

lisp/saveplace.el

@@ -248,8 +248,8 @@ may have changed) back to `save-place-alist'."
       (delete-region (point-min) (point-max))
       (when save-place-forget-unreadable-files
 	(save-place-forget-unreadable-files))
-      (insert (format ";;; -*- coding: %s mode: lisp-data -*-\n"
-                      (symbol-name coding-system-for-write)))
+      (insert (format ";;; -*- coding: %s; mode: lisp-data -*-\n"
+                      coding-system-for-write))
       (let ((print-length nil)
             (print-level nil))
         (pp save-place-alist (current-buffer)))