[root@cph01 docbook]# xsltproc -V
Using libxml 20402, libxslt 10001 and libexslt 200
xsltproc was compiled against libxml 20401, libxslt 10001 and libexslt 200
libxslt 10001 was compiled against libxml 20401
libexslt 200 was compiled against libxml 20401