The Independent JPEG Group's JPEG software v5b
diff --git a/structure.doc b/structure.doc
index 30d5828..c04e1e3 100644
--- a/structure.doc
+++ b/structure.doc
@@ -1,6 +1,6 @@
IJG JPEG LIBRARY: SYSTEM ARCHITECTURE
-Copyright (C) 1991-1994, Thomas G. Lane.
+Copyright (C) 1991-1995, Thomas G. Lane.
This file is part of the Independent JPEG Group's software.
For conditions of distribution and use, see the accompanying README file.
@@ -362,7 +362,9 @@
This controller handles MCU assembly, including insertion of dummy DCT
blocks when needed at the right or bottom edge. When performing
Huffman-code optimization or emitting a multiscan JPEG file, this
- controller is responsible for buffering the full image.
+ controller is responsible for buffering the full image. The equivalent of
+ one fully interleaved MCU row of subsampled data is processed per call,
+ even when the JPEG file is noninterleaved.
* Forward DCT and quantization: Perform DCT, quantize, and emit coefficients
in zigzag block order. Works on one or more DCT blocks at a time.