from preamble:

"Change Set:		InterlacedPNGFixes-nk
Date:			27 July 2004
Author:			Ned Konz

Fixes the reading of interlaced RGB and RGBA PNG graphics so that they
don't have holes in them.

Tested with interlaced RGB, RGBA, monochrome, and indexed color images.

"!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: InterlacedPNGFixes-nk.cs.gz
Type: application/octet-stream
Size: 826 bytes
Desc: not available
Url : http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20040728/4fb49a2d/InterlacedPNGFixes-nk.cs.obj