Fixes incorrect editing policies.

The Working Press didn't correctly updated when there was a 'bar'
or 'psi' in the string ( and that was defalt behaviour );

The o2 didn't correctly updated when there was a '%' on the string
(and that was default behaviour ),

The He didn't correctly updated when there was a '%' on the string,
and that was also default behavior.

Now all of them correctly updates.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>