From: Seth Kurtzberg <seth@...>
Date: 2003-02-22T05:34:27+09:00
Subject: Re: Number data-types: Control and meta combinations

This is more or less the emacs syntax for keyboard characters.  \C- is 
control, \M- is alt, and \C-\M- is control and alt both.

On Friday 21 February 2003 01:23 pm, Ralph Rotondo wrote:
> In the Programming Book I came across a passage in chapter 5 page 50
> Standard Types (Numbers) that reads:
>
> Control and meta combinations can also be generated using ?\C-x, ?\M-x, and
> ?\M-\C-x. The control version of a malue is the same as "value $ 0x9f". The
> meta version of a value is "value | 0x80". Finally, the sequencs ?\C-?
> generates and ASCII delete, 0177.
>
> I have absolutely no idea what it means. Actually I would guess that some
> of these are integer equivalents for keyboard combinations ctrl-a ctrl-x
> etc. But I am definitely not sure. I have searched the web for more info
> and have only managed to find the same page listed and one other person
> just as confused as I. If anyone could explain it to me or direct me to a
> source I would be very grateful. Thank You.
>
> Ralph

-- 
Seth Kurtzberg
M. I. S. Corp.
480-661-1849
seth@cql.com