Fix #77027: tidy::getOptDoc() not available on Windows

We define the `HAVE_TIDYOPTGETDOC` macro unconditionally, since the
Windows PHP SDK ships libtidy 2009/04/06 or newer for a long ti

Fix #77027: tidy::getOptDoc() not available on Windows

We define the `HAVE_TIDYOPTGETDOC` macro unconditionally, since the
Windows PHP SDK ships libtidy 2009/04/06 or newer for a long time.

We do not add a regression test, since 021.phpt already tests
`tidy_get_opt_doc`, but has previously been skipped due to
unavailability of the function.

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Add support for getting SKIP_TAGSTART and SKIP_WHITE options

When `XML_OPTION_SKIP_TAGSTART` and `XML_OPTION_SKIP_WHITE` had been
introduced[1], it had been overlooked to also support th

Add support for getting SKIP_TAGSTART and SKIP_WHITE options

When `XML_OPTION_SKIP_TAGSTART` and `XML_OPTION_SKIP_WHITE` had been
introduced[1], it had been overlooked to also support them for
`xml_parser_get_option()`. We catch up on that.

[1] <http://git.php.net/?p=php-src.git;a=commit;h=b57dc275950b228f2399990471c4f22b7d154c6c>

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Sync leading and final newlines in *.phpt sections

This patch adds missing newlines, trims multiple redundant final
newlines into a single one, and trims redundant leading newlines in al

Sync leading and final newlines in *.phpt sections

This patch adds missing newlines, trims multiple redundant final
newlines into a single one, and trims redundant leading newlines in all
*.phpt sections.

According to POSIX, a line is a sequence of zero or more non-' <newline>'
characters plus a terminating '<newline>' character. [1] Files should
normally have at least one final newline character.

C89 [2] and later standards [3] mention a final newline:
"A source file that is not empty shall end in a new-line character,
which shall not be immediately preceded by a backslash character."

Although it is not mandatory for all files to have a final newline
fixed, a more consistent and homogeneous approach brings less of commit
differences issues and a better development experience in certain text
editors and IDEs.

[1] http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_206
[2] https://port70.net/~nsz/c/c89/c89-draft.html#2.1.1.2
[3] https://port70.net/~nsz/c/c99/n1256.html#5.1.1.2

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Trim trailing whitespace in *.phpt