docs: function encodeLIREF(encoder, op8, op16, local_ids, xrid) {
  	var DEBUG_THIS = false;
  
  	// Check if the given object is part of the array
  	var id=-1, i=0, l=local_ids.length;
  	for (;i<l;++i) {
  		if (i > 65535) break;
  		if (local_ids[i] === xrid) {
  			id = i;
  			break;
  		}
  	}
  
  	if (id === -1) { // IREF
  		op8.push( pack1b( PRIM_BULK_KNOWN_OP.IREF | ((xrid >> 16) & 0xF), false ) );
  		op16.push( pack2b( xrid & 0xFFFF, false ) );
  		encoder.counters.op_iref+=3;
  		local_ids.push(xrid);
  		if (DEBUG_THIS) console.log("->- IREF(",xrid,",",id,")");
  	} else if (id < 128) { // LREF_7
  		op8.push( pack1b( PRIM_BULK_KNOWN_OP.LREF_7 | (id & 0x7F), false ) );
  		encoder.counters.op_iref+=1;
  		if (DEBUG_THIS) console.log("->- LREF_7(",xrid,",",id,")");
  	} else if (id < 2048) { // LREF_11
  		op8.push( pack1b( PRIM_BULK_KNOWN_OP.LREF_11 | ((id >> 8) & 0x7), false ) );
  		op8.push( pack1b( id & 0xFF, false ) );
  		encoder.counters.op_iref+=2;
  		if (DEBUG_THIS) console.log("->- LREF_11(",xrid,",",id,")");
  	} else if (id < 65536) { // LREF_16
  		op8.push( pack1b( PRIM_BULK_KNOWN_OP.LREF_16, false ) );
  		op16.push( pack2b( id & 0xFFFF, false ) );
  		encoder.counters.op_iref+=3;
  		if (DEBUG_THIS) console.log("->- LREF_16(",xrid,",",id,")");
  	}
  
  }