"Real-time text is text transmitted instantly while it is being typed or created. The recipient can immediately read the sender's text as it is written, without waiting."
I could not find complaints of OTR incompatibility although I would appreciate being corrected.
Please consider adding Real Time Xmpp Texting
In-Band Real Time Text http://xmpp.org/extensions/xep-0301.html
"Real-time text is text transmitted instantly while it is being typed or created. The recipient can immediately read the sender's text as it is written, without waiting."
I could not find complaints of OTR incompatibility although I would appreciate being corrected.