0:~ %> dpkg-query -l | grep xml                                                                                                         12:43
ii  docbook-xml                            4.5-7                                   standard XML documentation system for software and systems
ii  libmono-system-xml4.0-cil              2.10.5-1                                Mono System.Xml library (for CLI 4.0)
ii  libqt4-xml                             4:4.7.4-0ubuntu8.1                      Qt 4 XML module
ii  libqt4-xmlpatterns                     4:4.7.4-0ubuntu8.1                      Qt 4 XML patterns module
ii  libxml++1.0-dev                        1.0.4-4                                 C++ interface to the GNOME XML library (libxml2)
ii  libxml++1.0c2a                         1.0.4-4                                 C++ interface to the GNOME XML library (libxml2)
ii  libxml++2.6-2                          2.34.1-1                                C++ interface to the GNOME XML library (libxml2)
ii  libxml++2.6-dev                        2.34.1-1                                C++ interface to the GNOME XML library (libxml2)
ii  libxml2                                2.7.8.dfsg-4ubuntu0.2                   GNOME XML library
ii  libxml2-dev                            2.7.8.dfsg-4ubuntu0.2                   Development files for the GNOME XML library
ii  python-libxml2                         2.7.8.dfsg-4ubuntu0.2                   Python bindings for the GNOME XML library
ii  xml-core                               0.13                                    XML infrastructure and XML catalog file support