[Gcl-devel] Re: possible lisp reader enhancement/modification

[Camm Maguire]

Greetings, and thanks for your suggestion!

I'm forwarding this to the list to solicit opinions from our ANSI
standard experts on whether such a change would be permissible in ANSI
common lisp.  Comments?

Take care,

Matt Kaufmann <address@hidden> writes:

> Hi --
> 
> I wonder if it would be possible to modify the GCL reader so that package
> prefixes can apply to lists, not just symbols.  Here's an example of what I
> mean.
> 
>   >'lisp::(a b)
> 
>   LISP::||
> 
>   >
>   Error: The function A is undefined.
>   Fast links are on: do (si::use-fast-links nil) for debugging
>   Error signalled by EVAL.
>   Broken at EVAL.  Type :H for Help.
>   >>
> 
> Here is the corresponding log for Allegro Common Lisp.
> 
>   CL-USER(2): 'lisp::(a b)
>   (COMMON-LISP::A COMMON-LISP::B)
>   CL-USER(3): 
> 
> I'm pretty sure that there's no CLtL requirement to make such a change.  It's
> even possible that GCL does this right and Allegro CL does it wrong.  But
> anyhow, I thought I'd ask, because it would be very handy to have such a
> capability in GCL (it could affect which Lisp is used under ACL2 at AMD).
> 
> Thanks --
> -- Matt
> 
> 
> 

-- 
Camm Maguire                                            address@hidden
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