Rats, forgot this one:
rbm@zippy:~$ xsltproc -V
Using libxml 20423, libxslt 10018 and libexslt 709
xsltproc was compiled against libxml 20422, libxslt 10018 and libexslt 709
libxslt 10018 was compiled against libxml 20422
libexslt 709 was compiled against libxml 20422