filter_virt_db =
attribute type { "virt_db" },
attribute id { xsd:NCName }?,
attribute name { xsd:NCName }?,
element mp:pass-vhosts { xsd:boolean }?,
filter_virt_db =
attribute type { "virt_db" },
attribute id { xsd:NCName }?,
attribute name { xsd:NCName }?,
element mp:pass-vhosts { xsd:boolean }?,