* Scrollkeeper requires DocBook XML 4.2 (not 4.3).

svn path=/nixpkgs/trunk/; revision=930

pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.2/default.nix

@@ -0,0 +1,13 @@
+{stdenv, fetchurl, unzip}:
+
+assert unzip != null;
+
+stdenv.mkDerivation {
+  name = "docbook-xml-4.2";
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www.docbook.org/xml/4.2/docbook-xml-4.2.zip;
+    md5 = "73fe50dfe74ca631c1602f558ed8961f";
+  };
+  buildInputs = [unzip];
+}

pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.3/builder.sh

@@ -0,0 +1,5 @@
+. $stdenv/setup
+
+mkdir -p $out/xml/dtd/docbook
+cd $out/xml/dtd/docbook
+unpackFile $src