Hi,
Here's the revised syntax for the frame transparency.
We can use a floating point number (0.0-1.0), an integer number
(0-100), or nil.
(set-frame-parameter nil 'alpha '(<active> [<inactive>]))
(set-frame-parameter nil 'alpha 80)
(set-frame-parameter nil 'alpha 0.8)
(set-frame-parameter nil 'alpha '(100 70))
(set-frame-parameter nil 'alpha '(nil 70))
(set-frame-parameter nil 'alpha '(0.8 nil))
(set-frame-parameter nil 'alpha nil)
(add-to-list 'default-frame-alist '(alpha . (100 70)))
(setq frame-alpha-lower-limit 20)
(setq frame-alpha-lower-limit 0.2)
(setq frame-alpha-lower-limit nil)
Seiji