code: function encodeArray_PRIM_RAW( encoder, data ) {
  
  	//
  	// Raw Primitive Array (PRIM_RAW)
  	//
  	// .......  .   + Signature ID
  	// 0110101 [LN]     [16-bit]
  	//
  
  	// Write chunk header
  	encoder.counters.arr_prim_raw+=1;
  	encoder.log(LOG.ARR, "array.prim.raw, len="+data.length+
  		", peek="+data[0]+" [");
  	encoder.logIndent(1);
  
  	if (data.length < UINT16_MAX) { // 16-bit length prefix
  		encoder.stream8.write( pack1b( ARR_OP.PRIM_RAW | NUMTYPE_LN.UINT16 ) );
  		encoder.stream16.write( pack2b( data.length, false ) );
  		encoder.counters.arr_hdr+=3;
  	} else { // 32-bit length prefix
  		encoder.stream8.write( pack1b( ARR_OP.PRIM_RAW | NUMTYPE_LN.UINT32 ) );
  		encoder.stream32.write( pack4b( data.length, false ) );
  		encoder.counters.arr_hdr+=5;
  	}
  
  	// Write primitives
  	for (var i=0, l=data.length; i<l; ++i)
  		encodePrimitive( encoder, data[i] );
  
  	// Close log group
  	encoder.logIndent(-1);
  	encoder.log(LOG.ARR, "]");
  
  }
docs: Encode a number of consecutive primitives