runtests: set 'oldlibssh' for libssh versions before 0.9.6

... and make test 1459 check for the different return code then.

Closes #8444

runtests.pl: support the nonewline attribute for the data part

Added to FILEFORMAT

Closes #8239

runtests: make 'wolfssl' a testable feature

Closes #8252

runtests: make 'rustls' a testable feature

tests/FILEFORMAT.md: fix typo

runtests: add verify/socks check

If used, this data is compared with the data in log/socksd-request.log
which the socksd server logs.

Added to FILEFORMAT.md

runtests: make the SSH library a testable feature

libssh2, libssh and wolfssh

libssh2: add SHA256 fingerprint support

Added support for SHA256 fingerprint in command line curl and in
libcurl.

Closes #7646

metalink: remove

Warning: this will make existing curl command lines that use metalink to
stop working.

Reasons for removal:

1. We've found several security problems an

metalink: remove

Warning: this will make existing curl command lines that use metalink to
stop working.

Reasons for removal:

1. We've found several security problems and issues involving the
metalink support in curl. The issues are not detailed here. When
working on those, it become apparent to the team that several of the
problems are due to the system design, metalink library API and what
the metalink RFC says. They are very hard to fix on the curl side
only.

2. The metalink usage with curl was only very briefly documented and was
not following the "normal" curl usage pattern in several ways, making
it surprising and non-intuitive which could lead to further security
issues.

3. The metalink library was last updated 6 years ago and wasn't so
active the years before that either. An unmaintained library means
there's a security problem waiting to happen. This is probably reason
enough.

4. Metalink requires an XML parsing library, which is complex code (even
the smaller alternatives) and to this day often gets security
updates.

5. Metalink is not a widely used curl feature. In the 2020 curl user
survey, only 1.4% of the responders said that they'd are using it. In
2021 that number was 1.2%. Searching the web also show very few
traces of it being used, even with other tools.

6. The torrent format and associated technology clearly won for
downloading large files from multiple sources in parallel.

Cloes #7176

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runtests: enable 'hyper mode' only for HTTP tests

The 'hyper mode' makes line-ending checks work in the test suite for
when hyper is used. Now it also requires that HTTP or HTTPS are

runtests: enable 'hyper mode' only for HTTP tests

The 'hyper mode' makes line-ending checks work in the test suite for
when hyper is used. Now it also requires that HTTP or HTTPS are
mentioned as keywords to be enabled so that it doesn't wrongly adjusts
tests for other protocols.

This makes test 271 (TFTP) work again in hyper enabled builds.

Closes #7185

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FILEFORMAT: mention sectransp as a feature

Been supported since at least 40259ca65

Closes #7001

file: Support unicode urls on windows

Closes https://github.com/curl/curl/pull/6501

runtests.pl: add %TESTNUMBER variable to make copying tests more convenient

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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runtests: add support for gophers, gopher over TLS

runtests: add 'wakeup' as a feature

runtests: add support for %if [feature] conditions

... to make tests run differently or expect different results depending
on what features that are present or not in curl.

Bonu

runtests: add support for %if [feature] conditions

... to make tests run differently or expect different results depending
on what features that are present or not in curl.

Bonus: initial minor 'Hyper' awareness but nothing is using that yet

Closes #6304

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runtests: make 'c-ares' a "feature" to depend on

... also added to the docs.

hsts: add read/write callbacks

- read/write callback options
- man pages for the 4 new setopts
- test 1915 verifies the callbacks

Closes #5896

runtests: add %repeat[]% for test files

... and use this new keywords in all the test files larger than 50K to reduce
their sizes and make them a lot easier to read and understand.

runtests: add %repeat[]% for test files

... and use this new keywords in all the test files larger than 50K to reduce
their sizes and make them a lot easier to read and understand.

Closes #6040

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runtests: provide curl's version string as %VERSION for tests

... so that we can check HTTP requests for User-Agent: curl/%VERSION

Update 600+ test cases accordingly.

Close

runtests: provide curl's version string as %VERSION for tests

... so that we can check HTTP requests for User-Agent: curl/%VERSION

Update 600+ test cases accordingly.

Closes #6037

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runtests: allow generating a binary sequence from hex

ftp: make a 552 response return CURLE_REMOTE_DISK_FULL

Added test 348 to verify. Added a 'STOR' command to the test FTP
server to enable test 348. Documented the command in FILEFORMAT.md

ftp: make a 552 response return CURLE_REMOTE_DISK_FULL

Added test 348 to verify. Added a 'STOR' command to the test FTP
server to enable test 348. Documented the command in FILEFORMAT.md

Reported-by: Duncan Wilcox
Fixes #6016
Closes #6017

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tests/FILEFORMAT: document type=shell for <command>

tests/FILEFORMAT: document nonewline support for <file>

The one in <client>, that creates files.

Follow-up from b83947c8df7