xmlsec1 from home:MSirringhaus:branches:LibreOffice:Factory_new_version project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:MSirringhaus:branches:LibreOffice:Factory_new_version/openSUSE_Tumbleweed/home:MSirringhaus:branches:LibreOffice:Factory_new_version.repo zypper refresh zypper install xmlsec1