Release libpng version 1.6.36

libpng.3

@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "2018-Jul-29"
+.TH LIBPNG 3 "December 1, 2018"
 .SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.6.36.git
+libpng \- Portable Network Graphics (PNG) Reference Library 1.6.36
 
 .SH SYNOPSIS
 \fB#include <png.h>\fP
@@ -528,6 +528,10 @@ libpng-manual.txt - A description on how to use and modify libpng
 
  Based on:
 
+ libpng version 1.6.36 - December 1, 2018
+ Updated and distributed by Cosmin Truta
+ Copyright (c) 2018 Cosmin Truta
+
  libpng versions 0.97, January 1998, through 1.6.35 - July 15, 2018
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2018 Glenn Randers-Pehrson
@@ -582,7 +586,7 @@ file format in application programs.
 
 The PNG specification (second edition), November 2003, is available as
 a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2004 (E)) at
-<https://www.w3.org/TR/2003/REC-PNG-20031110/
+<https://www.w3.org/TR/2003/REC-PNG-20031110/>.
 The W3C and ISO documents have identical technical content.
 
 The PNG-1.2 specification is available at
@@ -590,9 +594,9 @@ The PNG-1.2 specification is available at
 It is technically equivalent
 to the PNG specification (second edition) but has some additional material.
 
-The PNG-1.0 specification is available as RFC 2083
+The PNG-1.0 specification is available as RFC 2083 at
 <https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a
-W3C Recommendation <https://www.w3.org/TR/REC-png-961001>.
+W3C Recommendation at <https://www.w3.org/TR/REC-png-961001>.
 
 Some additional chunks are described in the special-purpose public chunks
 documents at <http://www.libpng.org/pub/png/spec/register/>