Parsing: make parse syntax a per-parse value, drop ModeInterface

The active parse's syntax flavour is a per-parse question, not process-
global state: within a single request a plugin can render bun

Parsing: make parse syntax a per-parse value, drop ModeInterface

The active parse's syntax flavour is a per-parse question, not process-
global state: within a single request a plugin can render bundled
DokuWiki-syntax text inside an otherwise-Markdown page. Yet ModeRegistry
was a singleton that read $conf['syntax'] and the $PARSER_MODES global,
and every mode reached it through ModeRegistry::getInstance() — so the
flavour lived in shared mutable state that two parses in one request
would fight over.

Make the registry a short-lived value instead:

- ModeRegistry is constructed once per parse with an explicit $syntax
and injected into Parser, Handler and every mode. getSyntax() /
isDwPreferred() / isMdPreferred() consult $this->syntax; the
DOKU_UNITTEST-gated mode-list cache hack is gone (each registry is
fresh, nothing to invalidate).
- p_get_instructions() is now the single place in the pipeline where
$conf['syntax'] is read; from there the flavour travels as a
parameter. No code under inc/Parsing/ reads $conf['syntax'] directly
anymore — the five syntax-reading modes (Preformatted, GfmHr,
GfmEscape, Externallink, GfmQuote) route through $this->registry.

Keep the two concepts apart, as documented in the ModeRegistry and
AbstractMode docblocks: the user's configured *preference* stays in
$conf['syntax'] for UI code (toolbar, settings), while the active
parse's syntax is a parameter carried by the registry.

$PARSER_MODES is demoted to a deprecated, read-only mirror, published
during loadPluginModes() — third-party syntax plugins (columnlist,
alphalist2, phpwikify, skipentity) and the bundled info plugin read the
global directly, often from their constructors, so the taxonomy must
stay visible there. No core code reads the mirror.

Fold ModeInterface into AbstractMode while here: getSort()/handle() are
abstract, the connect callbacks carry defaults, and the public $Lexer
"FIXME should be done by setter" becomes setLexer()/getLexer() injected
by Parser::addMode() alongside the registry. Nested-content resolution
moves to the allowedCategories()/filterAllowedModes() hooks, resolved
once when the registry is attached.

Tests build their own parser/registry through ParserTestBase::setSyntax()
instead of mutating $conf and calling the removed ModeRegistry::reset().

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introduce ModeRegistry to encapsulate parser mode categories

Replace the global $PARSER_MODES definition in inc/parser/parser.php
with a ModeRegistry singleton that initializes and manages the mode

introduce ModeRegistry to encapsulate parser mode categories

Replace the global $PARSER_MODES definition in inc/parser/parser.php
with a ModeRegistry singleton that initializes and manages the mode
categories. The global array is still populated for backward
compatibility with plugins that access it directly.

Mode constructors now use ModeRegistry::getModesForCategories()
instead of accessing the global directly. p_get_parsermodes() and
p_sort_modes() are moved to inc/deprecated.php as thin wrappers.

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use private IP addresses in tests

replace phpquery by php-dom-wrapper #3308

This replaces the outdated phpquery library by the newer and maintained
php-dom-wrapper. Usage is similar but not a 1:1 replacement. phpQuery is
left in but

replace phpquery by php-dom-wrapper #3308

This replaces the outdated phpquery library by the newer and maintained
php-dom-wrapper. Usage is similar but not a 1:1 replacement. phpQuery is
left in but marked as deprecated.

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run all tests without mbstring support

The setup we had, where we tried to disable mbstring on a perclass basis
did not actually work because the define is set up in an early include
already.

Ideal

run all tests without mbstring support

The setup we had, where we tried to disable mbstring on a perclass basis
did not actually work because the define is set up in an early include
already.

Ideally we should probably make the check a static instead of a
constant.

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fix Windows tests for #2702

Currently DOKU_INC, DOKU_CONF in test bootstrap is not consistent with our `fullpath()`, causing the concatenated expected string in styleutils_cssstyleini_test not corre

fix Windows tests for #2702

Currently DOKU_INC, DOKU_CONF in test bootstrap is not consistent with our `fullpath()`, causing the concatenated expected string in styleutils_cssstyleini_test not correct in Windows; this patch use str_replace to turn Windows separator into Linux ones.

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reset config directory for every test

Our test suite did not reset the config directory for each test class as
it does for the data directory. In addition it copied all files from the
main config di

reset config directory for every test

Our test suite did not reset the config directory for each test class as
it does for the data directory. In addition it copied all files from the
main config directory over. Both may create an unpredictable state for
tests.

This streamlines the initialization.

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Merge pull request #388 from splitbrain/unittest_errorreporting

set error level so it is propagated correctly to dokuwiki

change error level to ignore notices

also use DOKU_E_LEVEL in bootstrap's call to error_reporting()

set error level so it is propagated correctly to dokuwiki

add missing $_SERVER values for init.php when called from cli

enabled authplain plugin for testsuite

Always load the parser in the test environment

This fixes the problem that $PARSER_MODES was sometimes unset by PHPUnit
between test functions that called p_get_parsermodes() as PHPUnit tried
to res

Always load the parser in the test environment

This fixes the problem that $PARSER_MODES was sometimes unset by PHPUnit
between test functions that called p_get_parsermodes() as PHPUnit tried
to restore the global environment. I couldn't reproduce this when I
executed all tests but just when I executed a single plugin test.

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reset the data directory before each test class is run

use original conf directory and only shadow special files

https://github.com/splitbrain/dokuwiki/pull/96#issuecomment-5195756

moved _testing to _test