When replacing a selection with an autocorrect character
(like space, *, _) in Writer, the undo/redo remark
was "Insert $1" on Linux/Mac.

Change-Id: I2e7be035ec1cc107458cc30c14174a22fa31c075
Reviewed-on: https://gerrit.libreoffice.org/19069Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>