Release libpng version 1.6.37

libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "December 1, 2018"
+.TH LIBPNG 3 "April 14, 2019"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.36
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.37
 
 .SH SYNOPSIS
 \fB#include <png.h>\fP
@@ -519,7 +519,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- Copyright (c) 2018 Cosmin Truta
+ Copyright (c) 2018-2019 Cosmin Truta
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 
  This document is released under the libpng license.
@@ -528,11 +528,11 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
- libpng version 1.6.36 - December 1, 2018
+ libpng version 1.6.36, December 2018, through 1.6.37 - April 2019
  Updated and distributed by Cosmin Truta
- Copyright (c) 2018 Cosmin Truta
+ Copyright (c) 2018-2019 Cosmin Truta
 
- libpng versions 0.97, January 1998, through 1.6.35 - July 15, 2018
+ libpng versions 0.97, January 1998, through 1.6.35 - July 2018
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
 
@@ -6045,8 +6045,6 @@ Maintained by Cosmin Truta.
 
 Supported by the PNG development group
 .br
-png-mng-implement at lists.sf.net
-(subscription required; visit
 png-mng-implement at lists.sourceforge.net (subscription required; visit
 https://lists.sourceforge.net/lists/listinfo/png-mng-implement
 to subscribe).