rubygem-rails-html-sanitizer from openSUSE:infrastructure:redmine:stage project
Selecionar o Seu Sistema Operativo
Adicionar repositório e instalar manualmente
Para 15.6 corra o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:infrastructure:redmine:stage/15.6/openSUSE:infrastructure:redmine:stage.repo zypper refresh zypper install rubygem-rails-html-sanitizer