From: "Drew Adams" <drew.adams@oracle.com>
To: "'Deniz Dogan'" <deniz.a.m.dogan@gmail.com>
Cc: 'Emacs-Devel devel' <emacs-devel@gnu.org>
Subject: RE: C-x a C-x C-h
Date: Wed, 26 Aug 2009 15:35:30 -0700 [thread overview]
Message-ID: <7F3F9448431C4790BB7404830406A33F@us.oracle.com> (raw)
In-Reply-To: <7b501d5c0908261521j1fb6a5bct3d08704380145343@mail.gmail.com>
> >> When I hit `C-x a C-x' in the latest Emacs, it awaits
> further input,
> >> as if it was a prefix key sequence. However, `C-x a C-x
> C-h' reveals
> >> that there are no commands bound to anything beginning with that
> >> prefix. Why?
> >
> > Good question. I wonder too. Same thing in Emacs 22, 21, and 20.
> > And C-x C-x C-x C-x C-x ... just keeps on keepin on.
>
> That doesn't happen here, it only gets to `C-x a C-x C-x', after which
> any further keypresses will say the sequence undefined.
I wasn't quite right.
On Emacs 20 and 21, you can just keep repeating C-x forever, with no apparent
effect.
On Emac 22 and 23, it seems that C-x a C-x C-x C-x calls
`exchange-point-and-mark', and every other `C-x' after that calls it again. So
here too I can keep repeating C-x C-x..., but each such pair invokes
`exchange-point-and-mark'.
next prev parent reply other threads:[~2009-08-26 22:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-26 21:31 C-x a C-x C-h Deniz Dogan
2009-08-26 22:06 ` Drew Adams
2009-08-26 22:21 ` Deniz Dogan
2009-08-26 22:35 ` Drew Adams [this message]
2009-08-26 22:38 ` Deniz Dogan
2009-08-26 22:43 ` Drew Adams
2009-08-26 22:55 ` Andreas Schwab
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