On Sun, 17 May 2026 23:02:55 GMT, Sergey Bylokhov <[email protected]> wrote:

>> I've just downloaded libpng1.6.58 and the Copyright lines below match what I 
>> see in the sources.
>> It is just presented here as a single inclusive range, rather than a list of 
>> ranges.
>> 
>> Also although the LICENSE file has
>> 
>> LICENSE:Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
>> 
>> if you look at the actual files you'll see (eg)
>> pngwrite.c: * Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
>> 
>> So I think this is fine.
>
> But this file in a few lines below has this block:
>>Copyright (C) 1998-2018 Glenn Randers-Pehrson
> 
> which is different from
> 
>>Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson

png.h file has below license information:


 * Authors and maintainers:
 *   libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
 *   libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
 *   libpng versions 0.97, January 1998, through 1.6.35, July 2018:
 *     Glenn Randers-Pehrson
 *   libpng versions 1.6.36, December 2018, through 1.6.58, April 2026:
 *     Cosmin Truta

This is the reason we use `Copyright (C) 1998-2018 Glenn Randers-Pehrson`

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PR Review Comment: https://git.openjdk.org/jdk/pull/31173#discussion_r3257728528

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