found with a lightly tweaked version of the loplugin:stringadd and some hand-holding. Change-Id: I146aadcaf665e98fea89a9cad2df4dc3935622f4 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/152275 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>