import part for put that attribute into an extension namespace

Change-Id: Ie3618e44416a0765877e4b09e41e058d2808cdee
import part for: "export to extension namespace instead of odf ..."

Change-Id: I0b61e05e3b153ba7efe351b18cb705ea6348f546
import part for: " use correct xml element name, related fdo#45266"

Change-Id: Ied71383fc837c7e667455f84937801e8d45f2989
iimport part for: "use correct xml element name, related fdo#45266"

Change-Id: I8ec31d026f5c6fdc4b7fc573060e7837a337d50b