use HTTPS for zlib.net

This commit is contained in:
Viktor Szakats 2017-05-27 13:54:30 +00:00
parent a1577bf965
commit 95f3c07d6f
4 changed files with 6 additions and 6 deletions

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@ -78,8 +78,8 @@ Or you can use one of the "projects" in the "projects" directory.
Before installing libpng, you must first install zlib, if it
is not already on your system. zlib can usually be found
wherever you got libpng; otherwise go to http://zlib.net. You can place
zlib in the same directory as libpng or in another directory.
wherever you got libpng; otherwise go to https://zlib.net/. You can
place zlib in the same directory as libpng or in another directory.
If your system already has a preinstalled zlib you will still need
to have access to the zlib.h and zconf.h include files that

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@ -63,7 +63,7 @@ BUILD INSTRUCTIONS
- Prerequisites (in order of compilation):
- zlib http://zlib.net/
- zlib https://zlib.net/
- libpng http://www.libpng.org/pub/png/libpng.html
- pngbook http://www.libpng.org/pub/png/book/sources.html

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@ -101,7 +101,7 @@ majority of the needs of its users.
Libpng uses zlib for its compression and decompression of PNG files.
Further information about zlib, and the latest version of zlib, can
be found at the zlib home page, <http://zlib.net/>.
be found at the zlib home page, <https://zlib.net/>.
The zlib compression utility is a general purpose utility that is
useful for more than PNG files, and can be used without libpng.
See the documentation delivered with zlib for more details.

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@ -611,7 +611,7 @@ majority of the needs of its users.
Libpng uses zlib for its compression and decompression of PNG files.
Further information about zlib, and the latest version of zlib, can
be found at the zlib home page, <http://zlib.net/>.
be found at the zlib home page, <https://zlib.net/>.
The zlib compression utility is a general purpose utility that is
useful for more than PNG files, and can be used without libpng.
See the documentation delivered with zlib for more details.
@ -6016,7 +6016,7 @@ http://www.libpng.org/pub/png
.I libpng
or at
.br
http://zlib.net/
https://zlib.net/
.LP
.IR PNG specification: RFC 2083