Implement sending im's for IRCv3
Review Request #2062 — Created Nov. 16, 2022 and submitted
Also fix an issue on receiving on IM's where we were creating a conversation with the target, not the source.
Sent im's between pidgin2 and pidgin3 using a local ergo server.
| Summary | ID |
|---|---|
| 929344d62cafe06793067037b48b03d5bae68787 |
