Shaves lots of string allocations, and uses optimized code paths Change-Id: I8e33e2aecdc7e0d2f2c31b774daa36304b3973ac Reviewed-on: https://gerrit.libreoffice.org/c/core/+/173179 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>