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[libpng12] Fix links in man page

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Glenn Randers-Pehrson 2015-08-11 15:31:12 -05:00
parent cb4bdad35b
commit cfd5b1a23f
4 changed files with 18 additions and 12 deletions
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13
libpng-1.2.54beta01.txt
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@ -62,7 +62,7 @@ The PNG-1.0 specification is available as RFC 2083
W3C Recommendation <http://www.w3.org/TR/REC-png-961001>. W3C Recommendation <http://www.w3.org/TR/REC-png-961001>.
Some additional chunks are described in the special-purpose public chunks Some additional chunks are described in the special-purpose public chunks
documents at <http://www.libpng.org/pub/png/documents/>. documents at <http://www.libpng.org/pub/png/spec/register/>
Other information Other information
about PNG, and the latest version of libpng, can be found at the PNG home about PNG, and the latest version of libpng, can be found at the PNG home
@ -84,7 +84,7 @@ majority of the needs of its users.
Libpng uses zlib for its compression and decompression of PNG files. Libpng uses zlib for its compression and decompression of PNG files.
Further information about zlib, and the latest version of zlib, can Further information about zlib, and the latest version of zlib, can
be found at the zlib home page, <http://www.info-zip.org/pub/infozip/zlib/>. be found at the zlib home page, <http://zlib.net/>.
The zlib compression utility is a general purpose utility that is The zlib compression utility is a general purpose utility that is
useful for more than PNG files, and can be used without libpng. useful for more than PNG files, and can be used without libpng.
See the documentation delivered with zlib for more details. See the documentation delivered with zlib for more details.
@ -1049,9 +1049,12 @@ the normalized graylevel is computed:
int bw = 65536 - (rw + gw); int bw = 65536 - (rw + gw);
gray = (rw*red + gw*green + bw*blue)/65536; gray = (rw*red + gw*green + bw*blue)/65536;
The default values approximate those recommended in the Charles The default values come from the PNG file cHRM chunk if present; otherwise, the
Poynton's Color FAQ, <http://www.inforamp.net/~poynton/> defaults correspond to the ITU-R recommendation 709, and also the sRGB color
Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net> space, as recommended in the Charles Poynton's Colour FAQ,
Copyright (c) 2006-11-28 Charles Poynton, in section 9:
<http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html#RTFToC9>
Y = 0.212671 * R + 0.715160 * G + 0.072169 * B Y = 0.212671 * R + 0.715160 * G + 0.072169 * B

13
libpng.3
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@ -472,7 +472,7 @@ The PNG-1.0 specification is available as RFC 2083
W3C Recommendation <http://www.w3.org/TR/REC-png-961001>. W3C Recommendation <http://www.w3.org/TR/REC-png-961001>.
Some additional chunks are described in the special-purpose public chunks Some additional chunks are described in the special-purpose public chunks
documents at <http://www.libpng.org/pub/png/documents/>. documents at <http://www.libpng.org/pub/png/spec/register/>
Other information Other information
about PNG, and the latest version of libpng, can be found at the PNG home about PNG, and the latest version of libpng, can be found at the PNG home
@ -494,7 +494,7 @@ majority of the needs of its users.
Libpng uses zlib for its compression and decompression of PNG files. Libpng uses zlib for its compression and decompression of PNG files.
Further information about zlib, and the latest version of zlib, can Further information about zlib, and the latest version of zlib, can
be found at the zlib home page, <http://www.info-zip.org/pub/infozip/zlib/>. be found at the zlib home page, <http://zlib.net/>.
The zlib compression utility is a general purpose utility that is The zlib compression utility is a general purpose utility that is
useful for more than PNG files, and can be used without libpng. useful for more than PNG files, and can be used without libpng.
See the documentation delivered with zlib for more details. See the documentation delivered with zlib for more details.
@ -1459,9 +1459,12 @@ the normalized graylevel is computed:
int bw = 65536 - (rw + gw); int bw = 65536 - (rw + gw);
gray = (rw*red + gw*green + bw*blue)/65536; gray = (rw*red + gw*green + bw*blue)/65536;
The default values approximate those recommended in the Charles The default values come from the PNG file cHRM chunk if present; otherwise, the
Poynton's Color FAQ, <http://www.inforamp.net/~poynton/> defaults correspond to the ITU-R recommendation 709, and also the sRGB color
Copyright (c) 1998-01-04 Charles Poynton <poynton at inforamp.net> space, as recommended in the Charles Poynton's Colour FAQ,
Copyright (c) 2006-11-28 Charles Poynton, in section 9:
<http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html#RTFToC9>
Y = 0.212671 * R + 0.715160 * G + 0.072169 * B Y = 0.212671 * R + 0.715160 * G + 0.072169 * B

2
libpngpf.3
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@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "May 9, 2015" .TH LIBPNGPF 3 "August 11, 2015"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.54beta01 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.54beta01
(private functions) (private functions)

2
png.5
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@ -27,7 +27,7 @@ PNG specification (second edition), November 2003:
PNG 1.2 specification, July 1999: PNG 1.2 specification, July 1999:
.IP .IP
.br .br
http://www.libpng.org/pub/png http://png-mng.sourceforge.net/pub/png/spec/1.2/
.LP .LP
PNG 1.0 specification, October 1996: PNG 1.0 specification, October 1996:
.IP .IP