release-notes: output trailing references sorted numerically

cleanup: correct copyright year range on a few files

configure: remove use of -vec-report0 from CFLAGS with icc

... as it apparently isn't (always) supported.
Reported-by: Alain Miniussi
Fixes #5096
Closes #5191

warnless: remove code block for icc that didn't work

Reported-by: Alain Miniussi
Fixes #5096

dist: add missing setup-win32.h

Follow up to d820224b8b

RELEASE-NOTES: synced

scripts/release-notes.pl: add helper script for RELEASE-NOTES maintenance

This script helps putting entries in the RELEASE-NOTES using a coherent
style and sorting with a minimal human e

scripts/release-notes.pl: add helper script for RELEASE-NOTES maintenance

This script helps putting entries in the RELEASE-NOTES using a coherent
style and sorting with a minimal human editing effort - as long as the
first line in the commit message is good enough! There's a short howto
at the top of the file.

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configure: don't check for Security.framework when cross-compiling

Since it checks for the local file, not the cross-compiled one.

Closes #5189

TODO: Option to make -Z merge lined based outputs on stdout

Closes #5175

lib: never define CURL_CA_BUNDLE with a getenv

- it breaks the build (since 6de756c9b1de34b7a1)
- it's not documented and not consistent across platforms
- the curl tool does that ge

lib: never define CURL_CA_BUNDLE with a getenv

- it breaks the build (since 6de756c9b1de34b7a1)
- it's not documented and not consistent across platforms
- the curl tool does that getenv magic

Bug: https://github.com/curl/curl/commit/6de756c#r38127030
Reported-by: Gisle Vanem

Closes #5187

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lib670: use the same Win32 API check as all other lib tests

appveyor: use random test server ports based upon APPVEYOR_API_URL

Avoid conflicts of test server ports with AppVeyor API on localhost.

Closes #5034

appveyor: sort builds by type and add two new variants

Related to #5034 and #5063

appveyor: show failed tests in log even if test is ignored

And print API response with newline only if there is one

appveyor: turn disabled tests into ignored result tests

KNOWN_BUGS: fixed "USE_UNIX_SOCKETS on Windows"

Fixed with #5170 (commit 23a870f2fd041278)

test1566: verify --etag-compare that gets a 304 back

Verifies the fix in #5183

Closes #5186

CURLINFO_CONDITION_UNMET: return true for 304 http status code

In libcurl, CURLINFO_CONDITION_UNMET is used to avoid writing to the
output file if the server did not transfered a file ba

CURLINFO_CONDITION_UNMET: return true for 304 http status code

In libcurl, CURLINFO_CONDITION_UNMET is used to avoid writing to the
output file if the server did not transfered a file based on time
condition. In the same manner, getting a 304 HTTP response back from the
server, for example after passing a custom If-Match-* header, also
fulfill this condition.

Fixes #5181
Closes #5183

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curl: allow both --etag-compare and --etag-save with same file name

This change inverse the order of processing for the --etag-compare and
--etag-save option to process first --etag-comp

curl: allow both --etag-compare and --etag-save with same file name

This change inverse the order of processing for the --etag-compare and
--etag-save option to process first --etag-compare. This in turn allows
to use the same file name to compare and save an etag.

The original behavior of not failing if the etag file does not exists is
conserved.

Fixes #5179
Closes #5180

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windows: enable UnixSockets with all build toolchains

Extend existing unix socket support in Windows builds to be
enabled for all toolchain vendors or versions. (Previously
it was on

windows: enable UnixSockets with all build toolchains

Extend existing unix socket support in Windows builds to be
enabled for all toolchain vendors or versions. (Previously
it was only supported with certain MSVC versions + more recent
Windows 10 SDKs)

Ref: https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/
Ref: https://github.com/curl/curl/issues/5162
Closes: https://github.com/curl/curl/pull/5170

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KNOWN_BUGS: Store TLS context per transfer instead of per connection

Closes #5102

sockfilt: remove redundancy in timeout handling

And update other logmsg output in select_ws on Windows.

sockfilt: fix handling of ready closed sockets on Windows

Replace the incomplete workaround regarding FD_CLOSE
only signalling once by instead doing a pre-check with
standard select

sockfilt: fix handling of ready closed sockets on Windows

Replace the incomplete workaround regarding FD_CLOSE
only signalling once by instead doing a pre-check with
standard select and storing the result for later use.

select keeps triggering on closed sockets on Windows while
WSAEventSelect fires only once with data still available.
By doing the pre-check we do not run in a deadlock
due to waiting forever for another FD_CLOSE event.

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sockfilt: fix race-condition of waiting threads and event handling

Fix race-condition of waiting threads finishing while events are
already being processed which lead to invalid or skipp

sockfilt: fix race-condition of waiting threads and event handling

Fix race-condition of waiting threads finishing while events are
already being processed which lead to invalid or skipped events.

Use mutex to check for one event at a time or do post-processing.
In addition to mutex-based locking use specific event as signal.

Closes #5156

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CI-fuzz: increase fuzz time to 40 minutes

Closes #5174