services: 'console-keymap-service' takes multiple files.

* gnu/services/base.scm (console-keymap-service-type): Type procedure
takes a list of files instead of a single file.
(console-keymap-service): Take 'files' as rest arguments.
* doc/guix.texi (Base Services): Improve documentation of
'console-keymap-service'.

doc/guix.texi

@@ -7262,10 +7262,25 @@ Return a service that runs the Guix build daemon according to
 Run @var{udev}, which populates the @file{/dev} directory dynamically.
 @end deffn
 
-@deffn {Scheme Procedure} console-keymap-service @var{file}
+@deffn {Scheme Procedure} console-keymap-service @var{files} ...
 @cindex keyboard layout
-Return a service to load console keymap from @var{file} using
+Return a service to load console keymaps from @var{files} using
-@command{loadkeys} command.
+@command{loadkeys} command.  Most likely, you want to load some default
+keymap, which can be done like this:
+
+@example
+(console-keymap-service "dvorak")
+@end example
+
+Or, for example, for a Swedish keyboard, you may need to combine
+the following keymaps:
+@example
+(console-keymap-service "se-lat6" "se-fi-lat6")
+@end example
+
+Also you can specify a full file name (or file names) of your keymap(s).
+See @code{man loadkeys} for details.
+
 @end deffn
 
 @deffn {Scheme Procedure} gpm-service-type [#:gpm @var{gpm}] @

gnu/services/base.scm

@@ -494,18 +494,18 @@ (define (unicode-start tty)
 (define console-keymap-service-type
   (shepherd-service-type
    'console-keymap
-   (lambda (file)
+   (lambda (files)
      (shepherd-service
       (documentation (string-append "Load console keymap (loadkeys)."))
       (provision '(console-keymap))
       (start #~(lambda _
                  (zero? (system* (string-append #$kbd "/bin/loadkeys")
-                                 #$file))))
+                                 #$@files))))
       (respawn? #f)))))
 
-(define (console-keymap-service file)
+(define (console-keymap-service . files)
-  "Return a service to load console keymap from @var{file}."
+  "Return a service to load console keymaps from @var{files}."
-  (service console-keymap-service-type file))
+  (service console-keymap-service-type files))
 
 (define console-font-service-type
   (shepherd-service-type