Mignon Fogarty@madrush @ntnsndr You'd use a hyphen there. (The Chicago Manual of Style has a very similar example in its explanation: "US-Canadian relations.")
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.