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-rw-r--r--gnu/packages/docbook.scm12
1 files changed, 12 insertions, 0 deletions
diff --git a/gnu/packages/docbook.scm b/gnu/packages/docbook.scm
index e248f62b6b..889bb96010 100644
--- a/gnu/packages/docbook.scm
+++ b/gnu/packages/docbook.scm
@@ -336,6 +336,18 @@ by no means limited to these applications.) This package provides XML DTDs.")
(description "This package provides SGML style sheets for DocBook.")
(license (x11-style "" "See file headers."))))
+(define-public docbook-sgml-3.1
+ (package
+ (inherit docbook-sgml)
+ (version "3.1")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "https://www.oasis-open.org/docbook/sgml/"
+ version "/docbk31.zip"))
+ (sha256
+ (base32
+ "0f25ch7bywwhdxb1qa0hl28mgq1blqdap3rxzamm585rf4kis9i0"))))))
+
;;; Private package referenced by docbook-sgml.
(define iso-8879-entities
(package