wok diff apngopt/description.txt @ rev 21909

updated sic (1.1 -> 1.2)
author: Hans-G?nter Theisgen
date: Fri Oct 04 15:39:32 2019 +0100 (2019-10-04)
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/apngopt/description.txt	Fri Oct 04 15:39:32 2019 +0100
     1.3 @@ -0,0 +1,5 @@
     1.4 +The Animated Portable Network Graphics (APNG) file format is an extension to 
     1.5 +the Portable Network Graphics (PNG) specification. It allows for animated PNG 
     1.6 +files that work similarly to animated GIF files, while retaining backward 
     1.7 +compatibility with non-animated PNG files and adding support for 8-bit 
     1.8 +transparency and 24-bit images.