Re: Capture template and elisp expression

[Carsten Dominik <carsten.dominik@gmail.com>]

On Jan 7, 2011, at 4:00 PM, Štěpán Němec wrote:

> Carsten Dominik <carsten.dominik@gmail.com> writes:
>
>> On Jan 7, 2011, at 1:08 PM, Štěpán Němec wrote:
>>> Why aren't the %() expressions simply evaluated in the original  
>>> buffer
>>> (if available)? That would solve these issues in a general way. It  
>>> seems
>>> to me that there is no advantage to evaluating the expressions in  
>>> the
>>> temporary capture buffer, but I'm not familiar with the code so I  
>>> might
>>> be missing something. Is there a reason for that?
>>
>> The sexp can be used to insert stuff into the template, so I think it
>> is correct to evaluate it in the template buffer.
>
> I don't understand this argument. Of course the _result_ of the
> evaluation is inserted into the template, but why is it useful to
> evaluate the expression itself in the context of the template  
> buffer? Is
> it likely that one would be interested in some information only
> available in the template buffer? To me it seems that the much more
> likely case is the one of Rainer -- i.e. the need to access variable
> bindings from the original buffer (buffer name, mode, other local
> variables etc.).


Such a function is allowed to do anything.  It might search around
in the template, change things, whatever.  So I don't think it
should be evaluated in a different buffer.

- Carsten



>
>  Štěpán