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Glenn Randers-Pehrson

Coauthor of PNG spec, developer/maintainer of libpng, on development teams for ImageMagick and GraphicsMagick. Author of pngcrush. Maintains PNG support in Firefox. Retired, father of four, grandfather of fifteen.

profile for Glenn Randers-Pehrson on Stack Exchange, a network of free, community-driven Q&A sites.

LICENSE: All my StackExchange contributions across all sites, except as noted within any particular contribution, are available under the standard SO/SE licensing terms (CC-BY-SA) or under the CC-0 Public Domain Dedication, at your choice.

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Top posts (29) All Questions Answers | Votes Newest

40 Undefined Behavior Killed My Cat Mar 4 '14
33 Dither a Grayscale Image May 4 '14
18 GO OUT AND VOTE Nov 8 '16
16 What is the smallest positive base 10 integer that can be printed by a program shorter (in characters) than itself? Dec 28 '15
9 Downgoat-ify Animals! Nov 16 '16
9 Sort-a-number. Sorta Mar 29 '14
6 Stack Exchange Stock Exchange ~ Revised Aug 20 '14
6 What is the smallest positive base 10 integer that can be printed by a program shorter (in characters) than itself? Dec 28 '15
5 “cat”-like program Jun 15 '14
4 Show the input RGB color Aug 6 '14
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