bug#6203: Frame-local variables break let-binding

[Juri Linkov]

>    (require 'cl)
>    (letf (((frame-parameter <foo>) 'newvalue)) <blabla>)
>
> the same holds for symbol properties, process properties, window
> parameters, terminal parameters, ...

BTW, this doesn't work for window parameters.  Looks like an omission:

=== modified file 'lisp/emacs-lisp/cl-macs.el'
--- lisp/emacs-lisp/cl-macs.el  2010-05-05 03:45:21 +0000
+++ lisp/emacs-lisp/cl-macs.el  2010-05-18 22:42:46 +0000
@@ -1813,6 +1813,7 @@ (defsetf window-dedicated-p set-window-d
 (defsetf window-height () (store)
   (list 'progn (list 'enlarge-window (list '- store '(window-height))) store))
 (defsetf window-hscroll set-window-hscroll)
+(defsetf window-parameter set-window-parameter)
 (defsetf window-point set-window-point)
 (defsetf window-start set-window-start)
 (defsetf window-width () (store)

-- 
Juri Linkov
http://www.jurta.org/emacs/