anchor.diff:        dst=$out/share/doc/nixos
         mkdir -p $dst
         xmllint --xinclude manual.xml | dblatex -o $dst/manual.pdf - \
  -        -P target.database.document="${olinkDB}/olinkdb.xml" \
           -P doc.collab.show=0 \
           -P latex.output.revhistory=0
   
  
positive.code:       dst=$out/share/doc/nixos
        mkdir -p $dst
        xsltproc \
          ${manualXsltprocOptions} \
          --stringparam target.database.document "${olinkDB}/olinkdb.xml" \
          --nonet --xinclude --output $dst/ \
          ${docbook5_xsl}/xml/xsl/docbook/xhtml/chunktoc.xsl ./manual.xml
  
  
negative.code:       </toc>
      '';
  
  in rec {
  
    # The NixOS options in JSON format.
  