@tallship Yes, it is a feature from GitHub Flavored Markdown
~~text~~ renders as <del>text</del>
@mario says Hubzilla will support this tag: https://hub.somaton.com/item/5d22eb3e-79eb-4e4e-9831-5aa269d70c4a
But people are also reporting that Fedilab doesn't display it correctly so I'm hesitant to enable this feature. The perceived meaning of the message can be very different without this piece of markup.
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.