* Make <link xlink:href="http://..." /> (i.e., link with no content)

work as in docbook-xsl-1.71.0 (and consistent with the DocBook
  Guide).

svn path=/nixpkgs/trunk/; revision=7836

pkgs/data/sgml+xml/stylesheets/xslt/docbook5/builder.sh

@@ -1,8 +1,12 @@
 source $stdenv/setup
 
-ensureDir $out
-cd $out
-unpackFile $src
-mkdir xml
-mkdir xml/xsl
-mv docbook5-xsl-* xml/xsl/docbook
+buildPhase=true
+
+installPhase=myInstallPhase
+myInstallPhase() {
+    ensureDir $out/xml/xsl
+    cd ..
+    mv docbook5-xsl-* $out/xml/xsl/docbook
+}
+
+genericBuild

pkgs/data/sgml+xml/stylesheets/xslt/docbook5/default.nix

@@ -7,4 +7,5 @@ stdenv.mkDerivation {
     url = http://heanet.dl.sourceforge.net/sourceforge/docbook/docbook5-xsl-1.72.0.tar.bz2;
     sha256 = "0iy7axmk3nvaqgxg5lh7qx39ad9g3qrgwikrp5w4z7bwlrpijfpx";
   };
+  patches = [./link-href.patch];
 }

pkgs/data/sgml+xml/stylesheets/xslt/docbook5/link-href.patch

@@ -0,0 +1,17 @@
+diff -rc docbook5-xsl-1.72.0-orig/html/xref.xsl docbook5-xsl-1.72.0/html/xref.xsl
+*** docbook5-xsl-1.72.0-orig/html/xref.xsl	2007-01-23 21:50:22.000000000 +0100
+--- docbook5-xsl-1.72.0/html/xref.xsl	2007-02-05 12:53:50.000000000 +0100
+***************
+*** 898,903 ****
+--- 898,908 ----
+          <!-- If it has content, use it -->
+          <xsl:apply-templates/>
+        </xsl:when>
++       <xsl:when test="@xlink:href">
++         <a href="@xlink:href">
++           <xsl:value-of select="@xlink:href"/>
++         </a>
++       </xsl:when>
+        <xsl:otherwise>
+          <!-- else look for an endterm -->
+          <xsl:choose>