Re: wrong type error in local variables

[Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>]

Douglas Lewan wrote:

>> Okay, but what exactly is the problem with it,
>> from Lisp?
>
> The problem is that it changes the buffer.
>
> If a (find-file) fails and you were depending on
> the change of the current buffer all kinds of other
> things might go wrong.
>
> If you use (find-file-noselect), then the current
> buffer doesn't change and any attempt to use that
> buffer would fail. In particular, you should be
> verifying that the (find-file-noselect) succeeded.

Gotcha, but then why not just have a single such
function that does the checking itself and aborts
further execution immediately after the initial,
failed attempt to find the file? Then 1 (onee)
function would be used, and with no need to
explicitely check if it succeeded?

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