tests: add codeset-utf8 as a feature

To avoid having to use <precheck> for tests that require UTF-8 support.

Closes #15039

tests: sync feature names with `curl -V`

Some feature names used in tests had minor differences compared to
the well-known ones from `curl -V`. This patch syncs them to make test
res

tests: sync feature names with `curl -V`

Some feature names used in tests had minor differences compared to
the well-known ones from `curl -V`. This patch syncs them to make test
results easier to grok.

Closes #14183

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tests: remove leading spaces from some tags

The threee tags `<name>`, `</name>` and `<command>` were frequently used
with a leading space that this removes. The reason this habbit is so

tests: remove leading spaces from some tags

The threee tags `<name>`, `</name>` and `<command>` were frequently used
with a leading space that this removes. The reason this habbit is so
widespread in testcases is probably that they have been copy and pasted.

Hence, fixing them all now might curb this practice from now on.

Closes #12028

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spelling: use 'reuse' not 're-use' in code and elsewhere

Unify the spelling as both versions were previously used intermittently

Closes #11717

tests: use %TESTNUMBER instead of fixed number

This makes the tests easier to copy and relocate to other test numbers
without having to update content.

Closes #6738

tests: fixup several tests

missing CRs and modified %hostip

lib556/test556: use a real HTTP version to make test reuse more convenient

make sure the weekday in Date headers

tests: fixup several tests

missing CRs and modified %hostip

lib556/test556: use a real HTTP version to make test reuse more convenient

make sure the weekday in Date headers matches the date

test61: replace stray "^M" (5e 4d) at the end of a cookie with a '^M' (0d)

Gets the test working with external proxies like Privoxy again.

Closes #6463

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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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tests: set LC_ALL in more tests

Follow-up to 23208e330ac0c21

Closes #4743

tests: use consistent environment variables for setting charset

The character set in POSIX is set by the locale defined by (in
decreasing order of precedence) the LC_ALL, LC_CTYPE and LA

tests: use consistent environment variables for setting charset

The character set in POSIX is set by the locale defined by (in
decreasing order of precedence) the LC_ALL, LC_CTYPE and LANG
environment variables (CHARSET was used by libidn but not libidn2).
LC_ALL is cleared to ensure that LC_CTYPE takes effect, but LC_ALL is
not used to set the locale to ensure that other parts of the locale
aren't overridden. Since there doesn't seem to be a cross-platform way
of specifying a UTF-8 locale, and not all systems may support UTF-8, a
<precheck> is used to skip the test if UTF-8 can't be verified to be
available. Test 1035 was also converted to UTF-8 for consistency, as
the actual character set used there is irrelevant to the test.

This patch uses a different UTF-8 locale than the last attempt, namely
en_US.UTF-8. This one has been verified on 7 different Linux and BSD
distributions and is more complete and usable than the locale UTF-8 (on
at least some systems).

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Revert "tests: use consistent environment variables for setting charset"

This reverts commit ecd1d020abdae3c3ce3643ddab3106501e62e7c0.

That commit caused test failures on my Debian

Revert "tests: use consistent environment variables for setting charset"

This reverts commit ecd1d020abdae3c3ce3643ddab3106501e62e7c0.

That commit caused test failures on my Debian Linux machine for all
changed test cases. We need to reconsider how that should get done.

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tests: use consistent environment variables for setting charset

Character set in POSIX is set by the locale defined (in decreasing order
of precedence) by the LC_ALL, LC_CTYPE and LANG e

tests: use consistent environment variables for setting charset

Character set in POSIX is set by the locale defined (in decreasing order
of precedence) by the LC_ALL, LC_CTYPE and LANG environment variables (I
believe CHARSET is only historic). LC_ALL is cleared to ensure that
LC_CTYPE takes effect, but LC_ALL is not used to set the locale to
ensure that other parts of the locale aren't overriden, if set. Since
there doesn't seem to be a cross-platform way of specifying a UTF-8
locale, and not all systems may support UTF-8, a <precheck> is used
(where relevant) to skip the test if UTF-8 isn't in use. Test 1035 was
also converted to UTF-8 for consistency, as the actual character set
used there is irrelevant to the test.

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tests: Set CHARSET & LANG to UTF-8 in 1035, 2046 and 2047

Closes #1283
Fixes #1277

connection reuse: IDN host names fixed

Use the ACE form of IDN hostnames as key in the connection cache. Add
new tests.

Closes #592