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-rw-r--r--lisp/emacs-lisp/derived.el10
1 files changed, 5 insertions, 5 deletions
diff --git a/lisp/emacs-lisp/derived.el b/lisp/emacs-lisp/derived.el
index ef30d7ca33f..1575d09eaa9 100644
--- a/lisp/emacs-lisp/derived.el
+++ b/lisp/emacs-lisp/derived.el
@@ -195,16 +195,16 @@ See Info node `(elisp)Derived Modes' for more details."
`(progn
(unless (get ',hook 'variable-documentation)
(put ',hook 'variable-documentation
- ,(format "Hook run when entering %s mode.
+ (purecopy ,(format "Hook run when entering %s mode.
No problems result if this variable is not bound.
`add-hook' automatically binds it. (This is true for all hook variables.)"
- name)))
+ name))))
(unless (boundp ',map)
(put ',map 'definition-name ',child))
(defvar ,map (make-sparse-keymap))
(unless (get ',map 'variable-documentation)
(put ',map 'variable-documentation
- ,(format "Keymap for `%s'." child)))
+ (purecopy ,(format "Keymap for `%s'." child))))
,(if declare-syntax
`(progn
(unless (boundp ',syntax)
@@ -212,7 +212,7 @@ No problems result if this variable is not bound.
(defvar ,syntax (make-syntax-table))
(unless (get ',syntax 'variable-documentation)
(put ',syntax 'variable-documentation
- ,(format "Syntax table for `%s'." child)))))
+ (purecopy ,(format "Syntax table for `%s'." child))))))
,(if declare-abbrev
`(progn
(put ',abbrev 'definition-name ',child)
@@ -220,7 +220,7 @@ No problems result if this variable is not bound.
(progn (define-abbrev-table ',abbrev nil) ,abbrev))
(unless (get ',abbrev 'variable-documentation)
(put ',abbrev 'variable-documentation
- ,(format "Abbrev table for `%s'." child)))))
+ (purecopy ,(format "Abbrev table for `%s'." child))))))
(put ',child 'derived-mode-parent ',parent)
,(if group `(put ',child 'custom-mode-group ,group))