install libreoffice from ppa

just add the following repository and update.
word of caution:being a release candidate it might hamper your machine.do at your own risk.
before installing,remove openoffice with this

sudo apt-get purge openoffice*.*

otherwise something like this might occur

(sorry its from ubuntu austria)
now open terminal and type

sudo add-apt-repository ppa:libreoffice/ppa
sudo apt-get update
sudo apt-get install libreoffice

and also

sudo apt-get install libreoffice-gnome