I suppose #+linux #-eggplant could be used.
Aha, or not! Those don't show up as hashtags.
@ephzero Hm, nope, same issue.
It worked for me -- I have a clickable hashtag on that one.
There seems to be a difference in mobile vs. desktop client.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko