[bug#71793] [PATCH] ui: Write down the unwritten rule.

[Tomas Volf]

Quote from Ludovic:

> [..] there’s the unwritten rule that non-UI modules should not load (guix
> ui) [..]

This commit turns it into a written rule.

* guix/ui.scm: Document the import policy.

Change-Id: Iedd48f5622b2b17b9e2eec817cf27f0c3a938ff2
---
 guix/ui.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/guix/ui.scm b/guix/ui.scm
index d82fa533cc..d24886d156 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -35,6 +35,10 @@
 ;;; You should have received a copy of the GNU General Public License
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
+;;; !!!!
+;;; !!!! This module shall not be imported from non-UI modules.
+;;; !!!!
+
 (define-module (guix ui)
   #:use-module (guix i18n)
   #:use-module (guix colors)
-- 
2.45.1