rubygem-unicode-display_width from home:wangyang:branches:OBS:Server:2.10:15.5 project

Select Your Operating System

For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:wangyang:branches:OBS:Server:2.10:15.5/15.5/home:wangyang:branches:OBS:Server:2.10:15.5.repo
zypper refresh
zypper install rubygem-unicode-display_width