forked from amazingfate/loongoffice
we can re-use the o3tl::wrapper pointer to indicate empty Change-Id: I26e502a7dacfb2bd3d465e71c8fdd89a6a80969b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120553 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>