[bug#60582] [PATCH 1/2] services: configuration: Format a list of packages by their names.

[Bruno Victal <mirai@makinata.eu>]

* gnu/services/configuration.scm
(generate-documentation): Format a list of packages by their names.
---
 gnu/services/configuration.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm
index 6b0291dc00..16e2380709 100644
--- a/gnu/services/configuration.scm
+++ b/gnu/services/configuration.scm
@@ -370,6 +370,9 @@ (define (show-default val)
                      (cond
                       ((package? val)
                        (symbol->string (package->symbol val)))
+                      ((and ((list-of package?) val) (not (null? val)))
+                       (format #f "(~{~a~^ ~})"
+                        (map package->symbol val)))
                       (else (str val))))
 
                    `(entry (% (heading
-- 
2.38.1