Re: hash strangeness

[Barry Margolin]

In article <mailman.12618.1414961152.1147.help-gnu-emacs@gnu.org>,
 Tom <adatgyujto@gmail.com> wrote:

> Thien-Thi Nguyen <ttn <at> gnu.org> writes:
> 
> > 
> > () Tom <adatgyujto <at> gmail.com>
> > () Sun, 2 Nov 2014 12:09:31 +0000 (UTC)
> > 
> >    At least I did not expect that. :)
> > 
> > a quote before literal data w/ latent intent to modify?
> 
> I expect '(a b c) to create a new list with these symbols
> every time it runs.

Why do you expect that?

'(a b c) is short for (quote (a b c)). quote returns its argument, it 
doesn't make a copy of it.

I'm sure somewhere in the Elisp programming manual it mentions that you 
shouldn't use destructive functions on literal lists, like the Common 
Lisp spec does.

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***