off int

	// The current repeated offsets.
	repeatedOffset1 uint32
	repeatedOffset2 uint32
	repeatedOffset3 uint32

	// The current Huffman tree used for compressing literals.
	huffmanTable     []uint16
	huffmanTableBits int

	// The window for back references.
	window window

	// A buffer available to hold a compressed block.
	compressedBuf []byte

	// A buffer for literals.