Subject: bug#37153: 26.1; some png images scrambled

From: "Roland Winkler" <[email-masked]>
Date: Sun, 25 Aug 2019 07:19:09 -0500

On Sun Aug 25 2019 YAMAMOTO Mitsuharu wrote:
> It seems to be necessary to look into the tRNS chunk data for paletted
> images.  Again, W32 would need some more work.

Thank you, I can confirm that your patch works for me (under GNU
Linux), including the transparent images from the png test suite.