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From: Lowell Kirsh <lkirsh@cs.ubc.ca>
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Subject: Re: elisp macros problem
Date: Sat, 24 Jul 2004 14:49:50 -0700
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Thanks all. I now see how pointless cat was, but the reason it was there 
in the first place was because i had made it a separate function (for 
testing).

cheers,
Lowell

David Kastrup wrote:
> Pascal Bourguignon <spam@thalassa.informatimago.com> writes:
> 
> 
>>Barry Margolin <barmar@alum.mit.edu> writes:
>>
>>
>>>In article <cduad9$7tg$1@mughi.cs.ubc.ca>,
>>> Lowell Kirsh <lkirsh@cs.ubc.ca> wrote:
>>>
>>>
>>>>(defmacro my-add-hook (hook &rest body)
>>>>   (let ((tempvar (make-symbol "cat")))
>>>>     `(flet ((,tempvar (sym str)
>>>>                       (make-symbol (concat (symbol-name sym) str))))
>>>>        (add-hook (cat ,hook "-mode-hook") (lambda () ,@body)))))
>>>>
>>>>Does anyone know what's wrong with this and why it doesn't work?
>>>
>>>You need to use ,tempvar in place of cat in the last line.
>>
>>Then, (not (eq (make-symbol "toto")(make-symbol "toto"))), even on
>>emacs lisp.  You should use intern!
> 
> 
> For accessing xxx-mode-hook, yes.  But for the "cat" thingy, ,tempvar
> would be ok, even though pretty pointless: one does not really need to
> bind a function here.
>