<!ENTITY url.pazpar2 "http://www.indexdata.com/pazpar2/">
<!ENTITY url.pazpar2.download "http://ftp.indexdata.com/pub/pazpar2/">
<!ENTITY url.pazpar2.download.debian "http://ftp.indexdata.com/pub/pazpar2/debian/">
+<!ENTITY url.pazpar2.download.ubuntu "http://ftp.indexdata.com/pub/pazpar2/ubuntu/">
<!-- Specifications and Standards -->
<!ENTITY url.w3c "http://www.w3.org/">
<!ENTITY url.boost.compilers.status "http://www.boost.org/status/compiler_status.html">
<!ENTITY url.openssl "http://www.openssl.org/">
<!ENTITY url.gnutls "http://www.gnu.org/software/gnutls/">
-<!ENTITY url.unxutils "http://unxutils.sourceforge.net/">
+<!ENTITY url.unxutils "http://sourceforge.net/projects/unxutils/">
<!ENTITY url.tcpwrapper "ftp://ftp.porcupine.org/pub/security/index.html">
<!-- Operating Systems -->
<!ENTITY url.docbook "http://docbook.org/">
<!ENTITY url.usemarcon "http://www.bl.uk/bibliographic/usemarcon.html">
<!ENTITY url.libpcap "http://www.tcpdump.org/">
+<!ENTITY url.solr "http://lucene.apache.org/solr/">