... when they are selected alone (no adjacent text selected).
Unit test included.

Change-Id: Ia278ae2ea86a3e6d83e1a628880f770f1eb11cd7
Reviewed-on: https://gerrit.libreoffice.org/30954Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>