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-rw-r--r--lisp/files-x.el41
1 files changed, 31 insertions, 10 deletions
diff --git a/lisp/files-x.el b/lisp/files-x.el
index 92532e85f4f..5d87a4ed0c1 100644
--- a/lisp/files-x.el
+++ b/lisp/files-x.el
@@ -30,6 +30,8 @@
;;; Code:
+(eval-when-compile (require 'subr-x)) ; for string-trim-right
+
;;; Commands to add/delete file-local/directory-local variables.
@@ -484,7 +486,7 @@ from the MODE alist ignoring the input argument VALUE."
(if (memq variable '(mode eval))
(cdr mode-assoc)
(assq-delete-all variable (cdr mode-assoc))))))
- (assq-delete-all mode variables)))
+ (assoc-delete-all mode variables)))
(setq variables
(cons `(,mode . ((,variable . ,value)))
variables))))
@@ -492,15 +494,34 @@ from the MODE alist ignoring the input argument VALUE."
;; Insert modified alist of directory-local variables.
(insert ";;; Directory Local Variables\n")
(insert ";;; For more information see (info \"(emacs) Directory Variables\")\n\n")
- (pp (sort variables
- (lambda (a b)
- (cond
- ((null (car a)) t)
- ((null (car b)) nil)
- ((and (symbolp (car a)) (stringp (car b))) t)
- ((and (symbolp (car b)) (stringp (car a))) nil)
- (t (string< (car a) (car b))))))
- (current-buffer)))))
+ (princ (dir-locals-to-string
+ (sort variables
+ (lambda (a b)
+ (cond
+ ((null (car a)) t)
+ ((null (car b)) nil)
+ ((and (symbolp (car a)) (stringp (car b))) t)
+ ((and (symbolp (car b)) (stringp (car a))) nil)
+ (t (string< (car a) (car b)))))))
+ (current-buffer))
+ (goto-char (point-min))
+ (indent-sexp))))
+
+(defun dir-locals-to-string (variables)
+ "Output alists of VARIABLES to string in dotted pair notation syntax."
+ (format "(%s)" (mapconcat
+ (lambda (mode-variables)
+ (format "(%S . %s)"
+ (car mode-variables)
+ (format "(%s)" (mapconcat
+ (lambda (variable-value)
+ (format "(%S . %s)"
+ (car variable-value)
+ (string-trim-right
+ (pp-to-string
+ (cdr variable-value)))))
+ (cdr mode-variables) "\n"))))
+ variables "\n")))
;;;###autoload
(defun add-dir-local-variable (mode variable value)