rubygem-asciidoctor from devel:languages:ruby:extensions 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/devel:languages:ruby:extensions/openSUSE_Tumbleweed/devel:languages:ruby:extensions.repo zypper refresh zypper install rubygem-asciidoctor
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:ruby:extensions/15.6/devel:languages:ruby:extensions.repo zypper refresh zypper install rubygem-asciidoctor