by the PNG encoder, but now all PNG output is optimized unless the "-define"
option is used to specify a particular PNG colortype or bitdepth.
2010-11-17 6.6.5-9 Glenn Randers-Pehrson <glennrp@image...>
* Many of the problems with the PNG encoder have been fixed (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=16490).
- * The "-type Optimize" option is now treated by the PNG encoder the same
- as if the type were undefined. Optimization is now always performed.
+ * The "-type Optimize" option is now deprecated. If present, it is treated
+ by the PNG encoder the same as if the type were undefined. Optimization
+ is now always performed.
* Merged redundant code into LosslessReduceDepth() function in the PNG codec.
2010-11-14 6.6.5-9 Cristy <quetzlzacatenango@image...>