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Re: Somehow strange behaviour of `mark-sexp'


From: Barry Margolin
Subject: Re: Somehow strange behaviour of `mark-sexp'
Date: Thu, 13 Feb 2014 11:02:32 -0500
User-agent: MT-NewsWatcher/3.5.3b3 (Intel Mac OS X)

In article <address@hidden>,
 Thorsten Jolitz <address@hidden> wrote:

> Hi List, 
> 
> when doing 'C-h v mark-sexp' I see this (excerpt):
> 
> ,-----------------------------------------------------------------
> | mark-sexp is an interactive compiled Lisp function in `lisp.el'.
> | 
> | It is bound to C-M-@, C-M-SPC.
> `-----------------------------------------------------------------
> 
> Now, moving point to the beginning of C-M-@ and calling ` mark-sexp',
> 
> ,-----
> | C-M-
> `-----
> 
> is marked. When moving point to the @ at the end of C-M-@ and calling
> `mark-sexp',
> 
> ,-----------
> | @, C-M-SPC
> `-----------
> 
> is marked, which I found a bit counter-intuitive.
> 
> PS 1
> 
> `forward-sexp' acts like that too
> 
> PS 2
> 
> I'm working on the console

@, is part of backquote syntax, it unquotes the sexp following it. So it 
thinks @, C-M-SPC is @, unquoting the variable C-M-SPC, and that's a 
sexp.

I'm not sure why you would expect sensible behavior from a command 
intended for dealing with Lisp code in the *Help* buffer, which is just 
plain text.

-- 
Barry Margolin, address@hidden
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***


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