TODO

XEPs to directly implement support for

  • XEP-0050: Ad-Hoc Commands (serving and querying)

  • XEP-0085: Chat State Notifications (with handling for legacy XEP-0022)

  • XEP-0184: Message Delivery Reciepts (with handling for legacy XEP-0022)

  • XEP-0280: Message Carbons (with support for special handling w.r.t. XEP-0085 and XEP-0184)

Other stuff

  • polish pubsub and muc implementation

@stanza_model

  • Handle multiple children in Child / ChildText

@stanza_types

  • Validator arithmetic?