module EventMachine::Protocols::LineText2

entirely.
be an umprocessed chunk of the transmitted binary data, or something else
We support an optional parameter to "throw back" some data, which might
processing of binary data creates a need to transition back to line mode.
Called internally but also exposed to user code, for the case in which

def set_line_mode data=""
  @lt2_mode = :lines
  (@lt2_linebuffer ||= []).clear
  receive_data data.to_s
end