docs: ascii version of manpage without nroff

Create ASCII version of manpage without nroff

- build src/tool_hugegelp.c from the ascii manpage
- move the the manpage and the as

docs: ascii version of manpage without nroff

Create ASCII version of manpage without nroff

- build src/tool_hugegelp.c from the ascii manpage
- move the the manpage and the ascii version build to docs/cmdline-opts
- remove all use of nroff from the build process
- should make the build entirely reproducible (by avoiding nroff)

- partly reverts 2620aa9 to build libcurl option man pages one by one
in cmake because the appveyor builds got all crazy until I did

The ASCII version of the manpage

- is built with gen.pl, just like the manpage is
- has a right-justified column making the appearance similar to the previous
version
- uses a 4-space indent per level (instead of the old version's 7)
- does not do hyphenation of words (which nroff does)

History

We first made the curl build use nroff for building the hugehelp file in
December 1998, for curl 5.2.

Closes #13047

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tests/README: SOCKS tests are not using OpenSSH, it has its own server

Follow-up to 04fd67555cc

Closes #12195

tets: make test documentation more user-friendly

Put the instructions to run tests right at the top of tests/README.md.

Give instructions to read the runtests.1 man page for informa

tets: make test documentation more user-friendly

Put the instructions to run tests right at the top of tests/README.md.

Give instructions to read the runtests.1 man page for information
about flags. Delete redundant copy of the flags documentation in the
README.

Add a mention in README.md of the important parallelism flag, to make
test runs go much faster.

Move documentation of output line format into the runtests.1 man page,
and update it with missing flags.

Fix the order of two flags in the man page.

Closes #12193

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tidy-up: mostly whitespace nits

- delete completed TODO from `./CMakeLists.txt`.
- convert a C++ comment to C89 in `./CMake/CurlTests.c`.
- delete duplicate EOLs from EOF.
- add

tidy-up: mostly whitespace nits

- delete completed TODO from `./CMakeLists.txt`.
- convert a C++ comment to C89 in `./CMake/CurlTests.c`.
- delete duplicate EOLs from EOF.
- add missing EOL at EOF.
- delete whitespace at EOL (except from expected test results).
- convert tabs to spaces.
- convert CRLF EOLs to LF in GHA yaml.
- text casing fixes in `./CMakeLists.txt`.
- fix a codespell typo in `packages/OS400/initscript.sh`.

Closes #11772

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tests: document the cfilter debug logging options

Closes #10283

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- save

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING

checksrc is updated to allow non-year using copyright statements

Closes #10205

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tests: add HTTP/3 test case, custom location for proper nghttpx

- adding support for HTTP/3 test cases via a nghttpx server that is
build with ngtcp2 and nghttp3.
- test2500 is the

tests: add HTTP/3 test case, custom location for proper nghttpx

- adding support for HTTP/3 test cases via a nghttpx server that is
build with ngtcp2 and nghttp3.
- test2500 is the first test case, performing a simple GET.
- nghttpx is checked for support and the 'feature' nghttpx-h3
is set accordingly. test2500 will only run, when supported.
- a specific nghttpx location can be given in the environment
variable NGHTTPX or via the configure option
--with-test-nghttpx=<path>

Extend NGHTTPX config to H2 tests as well

* use $ENV{NGHTTPX} and the configured default also in http2 server starts
* always provide the empty test/nghttpx.conf to nghttpx. as it defaults to
reading /etc/nghttpx/nghttpx.conf otherwise.

Added nghttpx to CI ngtcp2 jobs to run h3 tests.

Closes #9031

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docs: spellfixes

Pointed by the new CI job

docs: fix proselint complaints

reuse/dep5: adjusted to parse better

... adjusted a few files to contain copyright and license info.

Closes #9006

tests: fix markdown formatting in README

The asterisk in the abbreviation *NIX (for UNIX/Linux) needs to be
escaped to not mean start of italic formatting. This is consistent
with do

tests: fix markdown formatting in README

The asterisk in the abbreviation *NIX (for UNIX/Linux) needs to be
escaped to not mean start of italic formatting. This is consistent
with docs/RELEASE-PROCEDURE.md.

Closes: #8802
Reviewed-by: Daniel Stenberg <daniel@haxx.se>

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tests: update README about servers and port numbers

Closes #7242

tests: update README.md with a missing single quote

Closes #7231

tests/README.md: mentioned that en_US.UTF-8 is required

Reported-by: Oumph on github
Fixes #6768

language: s/behaviour/behavior/g

We currently use both spellings the british "behaviour" and the american
"behavior". However "behavior" is more used in the project so I think
it's w

language: s/behaviour/behavior/g

We currently use both spellings the british "behaviour" and the american
"behavior". However "behavior" is more used in the project so I think
it's worth dropping the british name.

Closes #6395

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tests/README: convert to markdown

Closes #6028