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-rw-r--r--libpng.340
1 files changed, 15 insertions, 25 deletions
diff --git a/libpng.3 b/libpng.3
index 2ea6af3b4..04ae7db83 100644
--- a/libpng.3
+++ b/libpng.3
@@ -5995,35 +5995,25 @@ letter, until version 1.0.6j; from then on they were given the upcoming
public release number plus "betaNN" or "rcNN".
.SH "SEE ALSO"
-.IR libpngpf(3) ", " png(5)
-.LP
-.IR libpng :
+.BR "png"(5)
.IP
-https://libpng.sourceforge.io/ (follow the [DOWNLOAD] link)
-http://www.libpng.org/pub/png
-
+The PNG (Portable Network Graphics) format specification.
.LP
-.IR zlib :
+.B libpng
.IP
-(generally) at the same location as
-.I libpng
-or at
+http://www.libpng.org/pub/png/libpng.html (canonical home page)
.br
-https://zlib.net/
-
+https://github.com/pnggroup/libpng (canonical Git repository)
+.br
+https://libpng.sourceforge.io (downloadable archives)
.LP
-.IR PNG specification: RFC 2083
+.B zlib
.IP
-(generally) at the same location as
-.I libpng
-or at
+https://zlib.net (canonical home page)
.br
-https://www.ietf.org/rfc/rfc2083.txt
+https://github.com/madler/zlib (canonical Git repository)
.br
-or (as a W3C Recommendation) at
-.br
-https://www.w3.org/TR/REC-png.html
-
+A copy of zlib may also be found at the same location as libpng.
.LP
In the case of any inconsistency between the PNG specification
and this library, the specification takes precedence.
@@ -6043,10 +6033,10 @@ Libpng:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Maintained by Cosmin Truta.
-Supported by the PNG development group
+Supported by the PNG development group.
.br
-png-mng-implement at lists.sourceforge.net (subscription required; visit
-https://lists.sourceforge.net/lists/listinfo/png-mng-implement
-to subscribe).
+png-mng-implement at lists.sourceforge.net. (Subscription is required;
+visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement
+to subscribe.)
.\" end of man page