for the duration of inserting attributes, and excess
dos newline chars can be removed safely afterwards

Change-Id: If70e34fec1c0819f827f483d3d7ac4f19b3caef8
(cherry picked from commit cc596d8d)
Reviewed-on: https://gerrit.libreoffice.org/17983Reviewed-by: David Tardon <dtardon@redhat.com>
Tested-by: David Tardon <dtardon@redhat.com>