Michael Martin
      Assumed Conversers by Michael Martin   Version 3/170621
  
 "A minimal extension that makes the NPC optional in ASK NPC ABOUT TOPIC and TELL NPC ABOUT TOPIC commands."
      Quip-Based Conversation by Michael Martin   Version 5/171116
  
 "An extension to Reactable Quips to allow for more traditional menu-based conversation."
      Reactable Quips by Michael Martin   Version 10/171116
  
 "A table-based approach to NPC conversation chains, as well as allowing rules to fire on lines of conversation."
      Unicode Interrogation by Michael Martin   Version 2
  
 "Allows an author to verify that an interpreter can support specific Unicode effects."