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what's the mystery of file-name variable?


From: filebat Mark
Subject: what's the mystery of file-name variable?
Date: Fri, 28 Oct 2011 00:39:02 +0800

Hi emacsers

Below is quite strange to me.

(setq file-name "test")
(describe-variable 'file-name)
,----------- output
| "file-name's value is nil
|
| Documentation:
| Not documented as a variable."
`-----------

Why file-name is not changed?

--
Thanks & Regards

Denny Zhang


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