On Sat, Jan 22, 2011 at 11:09:49AM +0900, OBATA Akio wrote: > But for the first hunk, I feel that "#if" condition should be changed > because PNG_INCH_CONVERSIONS_SUPPORTED is defined on png-1.5. Feel free to improve it. I don't see much documentation for PNG_INCH_CONVERSIONS_SUPPORTED, so I won't do it. Thanks, Thomas