sudo /usr/lib/openoffice/program/unopkg add --shared sun-presentation-minimizer.oxt 
namespace error : Namespace prefix d for name on OpenOffice.org-minimal-version is not defined
                <OpenOffice.org-minimal-version value="2.3" d:name="OpenOffice.org 2.3"/>
                                                                                       ^
namespace error : Namespace prefix d for name on OpenOffice.org-minimal-version is not defined
                <OpenOffice.org-minimal-version value="2.3" d:name="OpenOffice.org 2.3"/>
                                                                                       ^
namespace error : Namespace prefix d for name on OpenOffice.org-minimal-version is not defined
                <OpenOffice.org-minimal-version value="2.3" d:name="OpenOffice.org 2.3"/>
                                                                                       ^
namespace error : Namespace prefix d for name on OpenOffice.org-minimal-version is not defined
                <OpenOffice.org-minimal-version value="2.3" d:name="OpenOffice.org 2.3"/>
                                                                                       ^

ERROR: Could not obtain the url to the license text file.
       Cause: Cannot find a localized license text or a default license text.

unopkg failed.