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-rw-r--r--gnu/services/cups.scm13
1 files changed, 13 insertions, 0 deletions
diff --git a/gnu/services/cups.scm b/gnu/services/cups.scm
index e77c43bfbf..ace7889fb6 100644
--- a/gnu/services/cups.scm
+++ b/gnu/services/cups.scm
@@ -83,6 +83,14 @@
(define (serialize-multiline-string-list field-name val)
(for-each (lambda (str) (serialize-field field-name str)) val))
+(define (comma-separated-string-list? val)
+ (and (list? val)
+ (and-map (lambda (x)
+ (and (string? x) (not (string-index x #\,))))
+ val)))
+(define (serialize-comma-separated-string-list field-name val)
+ (serialize-field field-name (string-join val ",")))
+
(define (space-separated-string-list? val)
(and (list? val)
(and-map (lambda (x)
@@ -489,6 +497,11 @@ requests.")
(boolean #f)
"Specifies whether to purge job history data automatically when it is no
longer required for quotas.")
+ (browse-dns-sd-sub-types
+ (comma-separated-string-list (list "_cups"))
+ "Specifies a list of DNS-SD sub-types to advertise for each shared printer.
+For example, @samp{\"_cups\" \"_print\"} will tell network clients that both
+CUPS sharing and IPP Everywhere are supported.")
(browse-local-protocols
(browse-local-protocols 'dnssd)
"Specifies which protocols to use for local printer sharing.")