wok-6.x diff pngquant/description.txt @ rev 22379

updated openexr (2.2.0 -> 2.3.0)
author: Hans-G?nter Theisgen
date: Thu Nov 28 08:53:20 2019 +0100 (2019-11-28)
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/pngquant/description.txt	Thu Nov 28 08:53:20 2019 +0100
     1.3 @@ -0,0 +1,5 @@
     1.4 +pngquant converts 24/32-bit RGBA PNG images to 8-bit palette with alpha channel
     1.5 +preserved. Such images are compatible with all modern web browsers and a
     1.6 +compatibility setting is available to help transparency degrade well in
     1.7 +Internet Explorer 6. Quantized files are often 40-70 percent smaller than their
     1.8 +24/32-bit version. pngquant uses the median cut algorithm.