This NIP is not yet in main. Here is an overview of PRs referencing this NIP.
Add E tag to NIP-10 CLOSED @arthurfranca
Update NIP-10 including definitions for "a" tags CLOSED @fr4nzap
Implement Markdownlint GitHub action OPEN @mariano-perez-rodriguez
Markdown improvements, embelishments, and standardizations CLOSED @mariano-perez-rodriguez
Update all NIPs to include 'depends' and 'mentions' tags OPEN @blakejakopovic
Update NIP-10 CLOSED @arthurfranca
Update NIP-10 to clarify usage of reposts and quote posts CLOSED @alexgleason
NIP-10: Add marked p tags CLOSED @Semisol
relay hint language update MERGED @barkyq
NIP-10: Clarify marked e-tags for direct replies MERGED @ok300
Update NIP-10: add 'mention' marker MERGED @monlovesmango
Fixed typo referencing 'relay-id' instead of 'reply-id'. MERGED @blakejakopovic
separate array elements with , MERGED @Giszmo
Nip10 MERGED @unclebob
Add NIP-10 to README MERGED @unclebob
A proposed recommendation for using 'e' and 'p' tags in nostr clients. MERGED @unclebob