From: PJ Weisberg <pj@irregularexpressions.net>
To: help-gnu-emacs@gnu.org
Subject: Re: Problem understanding set-register syntax
Date: Mon, 6 Dec 2010 14:46:16 -0800 [thread overview]
Message-ID: <AANLkTinTCVmrpK0aVNxU-h5Zqn42ZzR19t01N1i5wtYG@mail.gmail.com> (raw)
In-Reply-To: <AANLkTimL7AAuvEbnJGRhiEVzvTC+Pw2GsqTvs_g-tXeY@mail.gmail.com>
On Mon, Dec 6, 2010 at 5:47 AM, Aurélien Bottazzini
<aurelien.bottazzini@gmail.com> wrote:
> (sorry if this email is a duplicate, but the first one was lost apparently)
> Hello everyone,
> in my init.el I have
> (set-register ?i '(file . "~/.emacs.d/init.el"))
> which allows me to quickly jump to my init file using C-x r j i
> But I don't really understand the syntax.
> Why do I have to use the exclamation mark when I set the register?
> Why can't I just use:
> (set-register i '(file . "~/.emacs.d/init.el")) ; will say Symbol's value as
> variable is void:i
> I tried to search in the documentation for set-register and variable
> definition but I did not find
> anything to really explain it.
> Thanks for any help.
> Aurélien
English:
!: exclamation mark (more commonly "exclamation point")
?: question mark
Emacs:
?i: The character 'i' (which, technically, is equal to the number 105).
i: A variable represented by the symbol i.
Consider the difference between:
int i = 0;
and
int 'i' = 0;
-PJ
next prev parent reply other threads:[~2010-12-06 22:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 13:47 Problem understanding set-register syntax Aurélien Bottazzini
2010-12-06 22:46 ` PJ Weisberg [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-12-05 9:51 Aurélien Bottazzini
2010-12-06 22:23 ` Drew Adams
2010-12-06 22:54 ` Drew Adams
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