and improve the rewriter so I spend less time fixing formatting

Change-Id: Ic2a6e5e31a5a202d2d02a47d77c484a57a5ec514
Reviewed-on: https://gerrit.libreoffice.org/61676Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>