Mathieu Lirzin <mthl@openmailbox.org> writes:

> From 665c92dc5e9976719ac7a6e427253b6ee65c78d8 Mon Sep 17 00:00:00 2001
> From: Mathieu Lirzin <mthl@openmailbox.org>
> Date: Fri, 7 Aug 2015 00:10:43 +0200
> Subject: [PATCH] packages: Add package-description-string.
>
> * guix/packages.scm (package-description-string): New variable.
> * guix/utils.scm (texi->plain-text): Likewise.
> * guix/ui.scm (package->recutils): Use it.
> * gnu/packages/perl.scm (perl-devel-globaldestruction)
>   (perl-devel-lexalias, perl-exporter-lite): Adapt to Texinfo's markup.
> * gnu/packages/python.scm (python2-empy): Likewise.
> ---
>  gnu/packages/perl.scm   | 6 +++---
>  gnu/packages/python.scm | 2 +-
>  guix/packages.scm       | 6 ++++++
>  guix/ui.scm             | 5 +++--
>  guix/utils.scm          | 8 ++++++++
>  5 files changed, 21 insertions(+), 6 deletions(-)
>
[...]
> -  (define (description->recutils str)
> -    (let ((str (P_ str)))
> +  (define (description->recutils package)
                                    ^^^
> +    (let ((str (texi->plain-text (P_ str))))
>        (string->recutils
>         (fill-paragraph str width
>                         (string-length "description: ")))))

There is a mistake here, it should be 'str' instead of 'package'.

Here is the updated draft.