[bug#42821] [PATCH] gnu: add sbcl-xmls

[Leo Famulari]

> From ad2cdcd9fbd463643b38be0aafb4b64e31c9ab09 Mon Sep 17 00:00:00 2001
> From: Adam Kandur <rndd@tuta.io>
> Date: Wed, 12 Aug 2020 09:41:59 +0300
> Subject: [PATCH] gnu: Add sbcl-xmls.
> 
> * gnu/packages/lisp-xyz.scm (sbcl-xmls): New variable.

Thanks! Please make sure the commit message mentions all the new
variables.

> +      (inputs
> +       `(("fiveam" ,sbcl-fiveam)))

I noticed that the built package does not keep a reference to
sbcl-fiveam. Is that expect for SBCL packages? Is it just for
build-time?

> +      (license license:bsd-2))))

The COPYING file contains a 3-clause BSD license.

Can you look into the fiveam issue and submit a revised patch?