Re: Lexical vs. dynamic: small examples?

[Emanuel Berg]

Gregory Heytings wrote:

>>> (defvar saved-buffer-read-only)
>>> (defun delete-whitespace-at-eol ()
>>>   (interactive)
>>>   (setq saved-buffer-read-only buffer-read-only)
>>>   (setq buffer-read-only nil)
>>>   (save-excursion (replace-regexp " *$" "" nil (point-min) (point-max)))
>>>   (setq buffer-read-only saved-buffer-read-only))
>>
>> OK, but you don't need to store the old value in a global variable...
>>
> Of course you do, you need to restore the original value [...]

But there is still no need to use a global variable...

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