...so that it has a nicer integration into JS, at the expense of copying data between C++ and JS Change-Id: I19af55e8db0c374dd7b0f58f74d1af19214175b4 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/163098 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>