1 files changed, 37 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix b/nixpkgs/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix
new file mode 100644
index 000000000000..b1db3638682b
--- /dev/null
+++ b/nixpkgs/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix
@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchurl, unzip }:
+
+let
+
+  src = fetchurl {
+    url = "http://www.oasis-open.org/docbook/sgml/3.1/docbk31.zip";
+    sha256 = "0f25ch7bywwhdxb1qa0hl28mgq1blqdap3rxzamm585rf4kis9i0";
+  };
+
+  isoents = fetchurl {
+    url = "http://www.oasis-open.org/cover/ISOEnts.zip";
+    sha256 = "1clrkaqnvc1ja4lj8blr0rdlphngkcda3snm7b9jzvcn76d3br6w";
+  };
+
+in
+
+stdenv.mkDerivation {
+  name = "docbook-sgml-3.1";
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ unzip ];
+
+  installPhase =
+    ''
+      o=$out/sgml/dtd/docbook-3.1
+      mkdir -p $o
+      cd $o
+      unzip ${src}
+      unzip ${isoents}
+      sed -e "s/iso-/ISO/" -e "s/.gml//" -i docbook.cat
+    '';
+
+  meta = {
+    platforms = lib.platforms.unix;
+  };
+}