       on_error:   config.on_error ? ( s ) -> throw s
       ready:      config.ready    ? true
 
+      # True once synced.
+      synced:     false
+
       # Map of id to thingy:, delegate:
       per_thingy: {}
 

  dictionary: -> @_.dictionary

  # Domain.  Null if not connected.
  # @return [Stirng] Domain used.
  domain: -> @_.domain

  # Connect to a dictionary.
  #

        for k of @_.partials
          @_.partials_to_create[ k ] = true
      @_.on_sync()
      @_.synced = true
    else if key == '%create'
      if @_.ready
        id = value
