OTR integration

[Tomasz Wasilczyk]

2013/8/25 Tomasz Wasilczyk <tomkiewicz at cpw.pidgin.im>:
> - to track for "?OTRvxx?" tag (it indicates an OTR packet) in messages
> and ask user, if he wants to enable the plugin. It would show up only,
> when Pidgin was built with otr support. Also, after the first query,
> it would set a hidden pref, so it won't ask the user again. I think
> this will cover all use cases, because for incoming messages it will
> be easy to set it up. User, who would like to start an outgoing OTR
> conversation (for the first time), will be experienced enough to
> enable it manually.

Some clarification: in this case, plugin would be disabled by default,
and tag tracing code would be implemented in libpurple's core.

Tomek