buffer <buffername> {<buffer-statement>} end

<buffer-statement> :==

  to=output|display|remarks|file=<filename>
  --{Destination for output.}
  from buffer=<buffername>
  --{Copy contents of another buffer.}
  display <string>|<symbol>|<parameter>
  --{Add text to a new line in the buffer.}
  concatenate <string>|<symbol>|<parameter>
  --{Add text to the current line in the buffer.}
  literal <string>
  --{Write literal text to a new line in the buffer.}
  next
  --{Start a new line in the buffer.}
  dump
  --{Dump contents of buffer.}
  reset
  --{Clear buffer contents.}
  flush
  --{Dump and reset buffer.}