$ sudo apt-get update
$ sudo apt-get install openoffice.org-dtd-officedocum

openoffice.org-dtd-officedocum is installed in your system.

Make ensure the openoffice.org-dtd-officedocum package were installed using the commands given below,

$ sudo dpkg-query -l | grep openoffice.org-dtd-officedocum*

You will get with openoffice.org-dtd-officedocum package name, version, architecture and description in a table

openoffice.org-dtd-officedocum package basic information: