perl-XML-LibXML-PrettyPrint from isv:perlur:deepin-desktop project
Select Your Operating System
Add repository and install manually
For SLE 15 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/isv:perlur:deepin-desktop/SLE_15/isv:perlur:deepin-desktop.repo zypper refresh zypper install perl-XML-LibXML-PrettyPrint