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Re: Meta characters in strings

From: Stefan Monnier
Subject: Re: Meta characters in strings
Date: Sun, 30 Nov 2008 00:35:05 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

>> > Is this text from the ELisp manual still correct?
>> >       Sometimes key sequences are represented as strings.  When a string is
>> >     a key sequence, string elements in the range 128 to 255 represent meta
>> >     characters (which are large integers) rather than character
>> >     codes in the range 128 to 255.
>> Almost: it's only true if the string is unibyte.

> That's not what I see:

>   (multibyte-char-to-unibyte ?\M-a)
>      => wrong-type-argument characterp 134217825

Why do you think this is related to the text you quoted?

> What am I missing?

The text only talks about what happens if you do

   (define-key map "\M-a" 'foo)

Note that "\M-a" is a unibyte string whose first byte is 225.


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