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authorMiles Bader <miles@gnu.org>2007-07-15 02:05:20 +0000
committerMiles Bader <miles@gnu.org>2007-07-15 02:05:20 +0000
commit7eb1e4534e88a32fe5e549e630fdabf3e062be2b (patch)
tree34fc72789f1cfbfeb067cf507f8871c322df300a /lisp/emacs-lisp/lisp-mode.el
parent76d11d2cf9623e9f4c38e8239c4444ffc1fae485 (diff)
parent6f8a87c027ebd6f9cfdac5c0df97d651227bec62 (diff)
downloademacs-7eb1e4534e88a32fe5e549e630fdabf3e062be2b.tar.gz
Merge from emacs--devo--0
Patches applied: * emacs--devo--0 (patch 803-813) - Update from CVS - Merge from emacs--rel--22 * emacs--rel--22 (patch 51-58) - Update from CVS - Merge from gnus--rel--5.10 * gnus--rel--5.10 (patch 233-236) - Merge from emacs--devo--0 - Update from CVS Revision: emacs@sv.gnu.org/emacs--multi-tty--0--patch-25
Diffstat (limited to 'lisp/emacs-lisp/lisp-mode.el')
-rw-r--r--lisp/emacs-lisp/lisp-mode.el18
1 files changed, 10 insertions, 8 deletions
diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el
index 164756dfdc3..374d3ae2327 100644
--- a/lisp/emacs-lisp/lisp-mode.el
+++ b/lisp/emacs-lisp/lisp-mode.el
@@ -628,13 +628,13 @@ this command arranges for all errors to enter the debugger."
(interactive "P")
(if (null eval-expression-debug-on-error)
(eval-last-sexp-1 eval-last-sexp-arg-internal)
- (let ((old-value eval-last-sexp-fake-value) new-value value)
- (let ((debug-on-error old-value))
- (setq value (eval-last-sexp-1 eval-last-sexp-arg-internal))
- (setq new-value debug-on-error))
- (unless (eq old-value new-value)
- (setq debug-on-error new-value))
- value)))
+ (let ((value
+ (let ((debug-on-error eval-last-sexp-fake-value))
+ (cons (eval-last-sexp-1 eval-last-sexp-arg-internal)
+ debug-on-error))))
+ (unless (eq (cdr value) eval-last-sexp-fake-value)
+ (setq debug-on-error (cdr value)))
+ (car value))))
(defun eval-defun-1 (form)
"Treat some expressions specially.
@@ -730,7 +730,9 @@ If the current defun is actually a call to `defvar' or `defcustom',
evaluating it this way resets the variable using its initial value
expression even if the variable already has some other value.
\(Normally `defvar' and `defcustom' do not alter the value if there
-already is one.)
+already is one.) In an analogous way, evaluating a `defface'
+overrides any customizations of the face, so that it becomes
+defined exactly as the `defface' expression says.
If `eval-expression-debug-on-error' is non-nil, which is the default,
this command arranges for all errors to enter the debugger.