)

		// Force a flush if we are called with no data to write
		if len(data) == 0 {
			if len(ctx.input) == 0 {
				return nil
			}
			data = ctx.input

			// We can't have more than 7 bytes in the buffer so this is safe
			blockSize = len(ctx.input)
			data, blockSize, bufferLength = ctx.input, len(ctx.input), 0
			goto write
		}

		// Check if there are pending bytes in the buffer
		if len(data) < blockSize || bufferLength > 0 {
			// Check whether we have enough bytes for a complete block
			if len(data) > 8-bufferLength {
				// Fill the buffer ...

			} else {
				// Add the insufficient data to the buffer and return
				ctx.input = append(ctx.input, data...)
				return nil
			}
		}

	write:
		var buf []byte = make([]byte, 1, blockSize+1)

		var blocks int = len(data) / blockSize
		if blocks == 0 {
			blocks++
		}

		for block := 0; block < blocks; block++ {
		for block := 0; block < len(data)/blockSize; block++ {
			for i := 0; i < blockSize; i++ {
				var current byte = data[(block*blockSize)+i]
				if ctx.table[ctx.hash] == current {
					// Guess was right - don't output
					buf[0] |= 1 << uint(i)
				} else {
					// Guess was wrong, output char
					ctx.table[ctx.hash] = current
					buf = append(buf, current)
				}
				ctx.hash = (ctx.hash << 4) ^ uint16(current)
			}

			_, err = writer.Write(buf)
			if err != nil {
				return err
			}

			// Reset the flags and buffer for the next iteration
			buf[0] ^= buf[0]