nips_changes on Nostr: adds missing single letter tags #nips_changes ...
adds missing single letter tags #nips_changes
https://github.com/nostr-protocol/nips/commit/b8a5447e264333f1fb009fce9ea631c3d1009db9
https://github.com/nostr-protocol/nips/commit/b8a5447e264333f1fb009fce9ea631c3d1009db9