bug#12345: 24.2.50; doc string of `text-scale-adjust'

[Stefan Monnier]

> from emacs -q, try to edebug-defun `text-scale-adjust', 
> then use `C-x C-+', then `c' in the debug loop, then quit.
> The temporary keymap is not temporary anymore, and the `-'
> and `+' keys are still bounded to `text-scale-adjust'.

Can you the patch below?


        Stefan


=== modified file 'lisp/subr.el'
--- lisp/subr.el        2012-09-07 10:19:58 +0000
+++ lisp/subr.el        2012-09-11 17:20:45 +0000
@@ -3898,6 +3898,7 @@
                                   (lookup-key ',map
                                               (this-command-keys-vector))))
                             (t `(funcall ',keep-pred)))
+               (set ',overlaysym nil)
                (remove-hook 'pre-command-hook ',clearfunsym)
                (setq emulation-mode-map-alists
                      (delq ',alist emulation-mode-map-alists))))))