docs: spellfixes

Pointed by the new CI job

GHA: spellcheck

This spellchecker checks markdown files. For this reason this job
converts all man pages in the repository to markdown with pandoc before
the check runs.

The

GHA: spellcheck

This spellchecker checks markdown files. For this reason this job
converts all man pages in the repository to markdown with pandoc before
the check runs.

The perl script 'cleanspell' filters out details from the man page in
the process, to avoid the spellchecker trying to spellcheck things it
can't. Like curl specific symbols and the SYNOPSIS and EXAMPLE sections
of libcurl man pages.

The spell checker does not check words in sections that are within pre,
strong and em tags.

'spellcheck.words' is a custom word list with additional accepted words.

Closes #9523

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connect: fix the wrong error message on connect failures

The "Failed to connect to" message after a connection failure would
include the strerror message based on the presumed previous s

connect: fix the wrong error message on connect failures

The "Failed to connect to" message after a connection failure would
include the strerror message based on the presumed previous socket
error, but in times it seems that error number is not set when reaching
this code and therefore it would include the wrong error message.

The strerror message is now removed from here and the curl_easy_strerror
error is used instead.

Reported-by: Edoardo Lolletti
Fixes #9549
Closes #9554

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httpput-postfields.c: shorten string for C89 compliance

httpput-postfields.c:41:3: error: string length ‘522’ is greater than the length ‘509’ ISO C90 compilers are required to support [-Wov

httpput-postfields.c: shorten string for C89 compliance

httpput-postfields.c:41:3: error: string length ‘522’ is greater than the length ‘509’ ISO C90 compilers are required to support [-Woverlength-strings]
41 | "this chapter.";
| ^~~~~~~~~~~~~~~

Closes #9555

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ws: fix a C89 compliance nit

Closes #9541

unit test 1655: make it C89-compliant

Initializations performed in unit test 1655 use automatic variables in
aggregates and thus can only be computed at run-time. Using gcc in C89
di

unit test 1655: make it C89-compliant

Initializations performed in unit test 1655 use automatic variables in
aggregates and thus can only be computed at run-time. Using gcc in C89
dialect mode produces warning messages like:

unit1655.c:96:7: warning: initializer element is not computable at load time [-Wpedantic]
96 | { toolong, DOH_DNS_NAME_TOO_LONG }, /* expect early failure */
| ^~~~~~~

Fix the problem by converting these automatic pointer variables to
static arrays.

Closes #9551

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curl_strequal.3: fix typo

Closes #9548

resolve: make forced IPv4 resolve only use A queries

This protects IPv4-only transfers from undesired bad IPv6-related side
effects and make IPv4 transfers in dual-stack libcurl behave t

resolve: make forced IPv4 resolve only use A queries

This protects IPv4-only transfers from undesired bad IPv6-related side
effects and make IPv4 transfers in dual-stack libcurl behave the same
way as in IPv4 single-stack libcurl.

Closes #9540

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RELEASE-NOTES: synced

winbuild/MakefileBuild.vc: handle spaces in libssh(2) include paths

Patched-by: Mark Itzcovitz
Bug: https://curl.se/mail/lib-2022-09/0038.html

Closes #9536

TODO: Reduce CA certificate bundle reparsing

By adding some sort of cache.

Reported-by: Michael Drake
Closes #9379
Closes #9538

CI/GHA: cancel outdated CI runs on new PR changes

Avoid letting outdated CI runs continue if a PR receives
new changes. Outside a PR we let them continue running
by tying the concurr

CI/GHA: cancel outdated CI runs on new PR changes

Avoid letting outdated CI runs continue if a PR receives
new changes. Outside a PR we let them continue running
by tying the concurrency to the commit hash instead.

Also only let one CodeQL or Hacktoberfest job run at a time.

Other CI platforms we use have this build in, but GitHub
unfortunately neither by default nor with a simple option.

This saves CI resources and therefore a little energy.

Approved-by: Daniel Stenberg
Approved-by: Max Dymond
Closes #9533

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docs: fix proselint complaints

GHA: run proselint on markdown files

Co-authored-by: Marc Hörsken

Closes #9520

lib: the number four in a sequence is the "fourth"

Spelling is hard

Closes #9535

misc: fix spelling in two source files

Closes #9529

windows: add .rc support to autotools builds

After this update autotools builds will compile and link `.rc` resources
to Windows executables. Bringing this feature on par with CMake and

windows: add .rc support to autotools builds

After this update autotools builds will compile and link `.rc` resources
to Windows executables. Bringing this feature on par with CMake and
Makefile.m32 builds. And also making it unnecessary to improvise these
steps manually, while monkey patching build files, e.g. [0].

You can customize the resource compiler via the `RC` envvar, and its
options via `RCFLAGS`.

This harmless warning may appear throughout the build, even though the
autotools manual documents [1] `RC` as a valid tag, and it fails when
omitting one:
`libtool: error: ignoring unknown tag RC`

[0] https://github.com/curl/curl-for-win/blob/535f19060d4b708f72e75dd849409ce50baa1b84/curl-autotools.sh#L376-L382
[1] https://www.gnu.org/software/libtool/manual/html_node/Tags.html

Closes #9521

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CI/linkcheck: only run if a Markdown file is changed

This saves CI resources and therefore a little energy.

Reviewed-by: Max Dymond
Closes #9531

README.md: add GHA status badges for Linux and macOS builds

This makes sense now that Linux builds are being consolidated.

Approved-by: Daniel Stenberg
Closes #9530

[sk

README.md: add GHA status badges for Linux and macOS builds

This makes sense now that Linux builds are being consolidated.

Approved-by: Daniel Stenberg
Closes #9530

[skip ci]

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misc: null-terminate

Make use of this term consistently.

Closes #9527

CI/GHA: merge intel CC and more TLS libs into linux workflow

Continue work on merging all Linux workflows into one file.

Reviewed-by: Max Dymond
Follow up to #9501
Closes #9

CI/GHA: merge intel CC and more TLS libs into linux workflow

Continue work on merging all Linux workflows into one file.

Reviewed-by: Max Dymond
Follow up to #9501
Closes #9514

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lib1597: make it C89-compliant again

Automatic variable addresses cannot be used in an initialisation
aggregate.

Follow-up to 9d51329

Reported-by: Daniel Stenberg
F

lib1597: make it C89-compliant again

Automatic variable addresses cannot be used in an initialisation
aggregate.

Follow-up to 9d51329

Reported-by: Daniel Stenberg
Fixes: #9524
Closes #9525

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tool_libinfo: silence "different 'const' qualifiers" in qsort()

MSVC 15.0.30729.1 warned about it

Follow-up to dd2a024323dcc

Closes #9522

docs: tell about disabled protocols in CURLOPT_*PROTOCOLS_STR.

Disabled protocols are now handled as if they were unknown.
Also update the possible protocol list.

cli tool: do not use disabled protocols

As they are now rejected by the library, take care of not passing
disabled protocol names to CURLOPT_PROTOCOLS_STR and
CURLOPT_REDIR_PROTOCOLS

cli tool: do not use disabled protocols

As they are now rejected by the library, take care of not passing
disabled protocol names to CURLOPT_PROTOCOLS_STR and
CURLOPT_REDIR_PROTOCOLS_STR.

Rather than using the CURLPROTO_* constants, dynamically assign protocol
numbers based on the order they are listed by curl_version_info().

New type proto_set_t implements prototype bit masks: it should therefore
be large enough to accomodate all library-enabled protocols. If not,
protocol numbers beyond the bit count of proto_set_t are recognized but
"inaccessible": when used, a warning is displayed and the value is
ignored. Should proto_set_t overflows, enabled protocols are reordered to
force those having a public CURLPROTO_* representation to be accessible.

Code has been added to subordinate RTMP?* protocols to the presence of
RTMP in the enabled protocol list, being returned by curl_version_info()
or not.

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