document deflateUsed()

text mostly from upstream, the function will soon be added to libz.

ok jmc

fix a small markup mistake (missing newline)

ok jmc (as part of a larger diff)

Z_HUFFMAN -> Z_HUFFMAN_ONLY

from upstream 0f3b7b9595cc7d85c3b13282e71fcecef7f18f9c

remove outdated zlib version information

from jan stary
fine with jmc

sync with zlib.h

ok jmc

Merge docs of crc32_combine_{gen,op} from zlib.h

Also add two 'len2 must be non-negative.'

from upstream
looks good to jmc

sync with zlib.h

"that's fine" jmc

sync compress.3 with zlib.h

ok jmc

spelling fixes; from paul tagliamonte
any changes not taken noted on tech, but chiefly here i did not take the
cancelation - cancellation changes;

two more "the the" fixes;

sync man page with changes 1.2.3 -> 1.2.11. some changes:

- update references version number
- Z_NULL -> NULL; from millert
- terminate function synopses in main body with ";"; from tb
- NULL -> NUL

sync man page with changes 1.2.3 -> 1.2.11. some changes:

- update references version number
- Z_NULL -> NULL; from millert
- terminate function synopses in main body with ";"; from tb
- NULL -> NUL; from tb
- update NAME and SYNOPSIS for added functions
- updated copyright, to match zlib.h
- simplify \-1 -> -1

ok tb

show more ...

correct return type for compressBound();
from pedro martelletto

improve markup quality in the cases found by the new "--" style message

Add missing .Fn markup to in() and out(); found with mandoc -Tlint.
Delete useless \*(Gt and \*(Lt while here.

update NAME section to include all documented functions,
or otherwise change Dt to reflect the name of an existing function;

feedback/ok schwarze

use .In rather than .Fd #include

Use "In" to mark up include files, instead of wrongly wrapping with Aq.

Aq is not the same as <> in non-ASCII situations, so this caused
incorrect output in some places. And it provided no semantics

Use "In" to mark up include files, instead of wrongly wrapping with Aq.

Aq is not the same as <> in non-ASCII situations, so this caused
incorrect output in some places. And it provided no semantics besides.

ok schwarze@

show more ...

use .Mt for email addresses; from Jan Stary <hans at stare dot cz>; ok jmc@

last stage of rfc changes, using consistent Rs/Re blocks, and moving the
references into a STANDARDS section;

flesh out the rfc sections;

Use .Lk for HTTP hyperlinks, not .Pa.
Most of the patch from Arto Jonsson <ajonsson at kapsi dot fi>.
jmc@ agrees in principle that .Lk is the right macro to use.

While here, update a few broken lin

Use .Lk for HTTP hyperlinks, not .Pa.
Most of the patch from Arto Jonsson <ajonsson at kapsi dot fi>.
jmc@ agrees in principle that .Lk is the right macro to use.

While here, update a few broken links,
and add missing markup at a few places.

show more ...

convert to new .Dd format;

+.Xr gzip 1

sync with zlib.h update (zlib-1.2.3);

Update to zlib 1.2.3; OK deraadt@