Re: Patch: make eldoc indicate current argument

[David Kastrup]

Kevin Rodgers <address@hidden> writes:

> Richard Stallman wrote:
>> &optional and &rest appear in calling patterns of functions.
>> We use ellipses and square brackets in calling patterns of macros
>> and special forms.
>>
>>                                               Some use "..." appended
>>       to an argument name, e.g. "CLAUSES...".  And, some use "..." as a
>>       standalone argument name (see 'when').
>>
>> Do you mean this?
>>
>>     (when COND BODY ...)
>>
>> If so, I think that is a misunderstanding.  The ellipsis here is not
>> an argument name, it is just an ellipsis.  The space after `BODY' has
>> no significance.
>>
>> Perhaps we should delete that space, for consistency.
>
> The problem is not the space, it is the ellipsis, which is usually
> interpreted in this context to mean "et cetera".  But there is only 1
> BODY, which is the list of individual body forms.
>
> I would prefer
>
>       (when COND &rest BODY)
>
> or
>
>       (when COND FORM ...)

BODY... is a single symbol which brings across the idea of a
multi-form entity quite intuitively.

A agree with Richard that there should not be a space, however.

-- 
David Kastrup