fix(infoutils): fix synology os-release file parsing

Only remove comments at the start of the line. Should be enough to make
the file parsable enough for what we need.

Fixes #4572

remove valid_input_set(), inline the only remaining callers

The Input::valid() method on $INPUT already provides the cleaner API
originally requested in #667. The last two callers in Subscribe.php
v

remove valid_input_set(), inline the only remaining callers

The Input::valid() method on $INPUT already provides the cleaner API
originally requested in #667. The last two callers in Subscribe.php
validated against a local $params array (not $_POST/$_GET) and need
to throw a specific exception, so inline a small in_array + throw at
those call sites rather than carry the legacy helper.

The class could probably be made cleaner but that's beyond the scope of
this change.

Closes #667

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Fix syntax plugin rendering

Reverse the order in which core modes and plugin modes are handled by the \dokuwiki\Parsing\Handler.
Otherwise only the handle() method of the plugin is called, which is

Fix syntax plugin rendering

Reverse the order in which core modes and plugin modes are handled by the \dokuwiki\Parsing\Handler.
Otherwise only the handle() method of the plugin is called, which is fine for core modes. Syntax plugins need to go through plugin() to actually add their own calls.

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fix: apply rector and code sniffer fixes

GFM modes: follow CATEGORY_SUBSTITION → CATEGORY_SUBSTITUTION rename

Constant was renamed on master (the typo'd 'substition' value is kept,
but the constant name spells it correctly). Update GfmTabl

GFM modes: follow CATEGORY_SUBSTITION → CATEGORY_SUBSTITUTION rename

Constant was renamed on master (the typo'd 'substition' value is kept,
but the constant name spells it correctly). Update GfmTable's use of
the constant, plus stale docblock/comment references in GfmEscape,
GfmHtmlEntity, GfmLinebreak, and GfmLinebreakTest.

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Externallink: GFM autolink extension - parens and entity-ref tail

In Markdown-preferred mode, allow `(` and `)` inside URL char classes
and consume an optional trailing entity reference via the shar

Externallink: GFM autolink extension - parens and entity-ref tail

In Markdown-preferred mode, allow `(` and `)` inside URL char classes
and consume an optional trailing entity reference via the shared
HtmlEntity::PATTERN. The Markdown-only post-processing peels off
mismatched closing parens and decodes the trailing entity reference,
emitting the peeled chars as cdata after the link. Refactors handle()
to dispatch to handleAngleAutolink() and handleBareUrl(), with the new
trim logic in peelGfmTail() and the protocol-prefix step in
addProtocolPrefix(). DW-only mode behavior is unchanged.

Brings GFM spec examples #624, #625, #626 to passing.

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Delete inc/Search/concept.txt

The contents have been added to the wiki

fix(mail): keep '&' intact in mailto links with multiple query params

Move the email-handling helpers (obfuscate, mail_isvalid,
mail_quotedprintable_encode, mail_setup) out of the procedural
inc/mai

fix(mail): keep '&' intact in mailto links with multiple query params

Move the email-handling helpers (obfuscate, mail_isvalid,
mail_quotedprintable_encode, mail_setup) out of the procedural
inc/mail.php into a namespaced dokuwiki\MailUtils class plus a new
Mailer::configInit(), and add a separate MailUtils::obfuscateUrl() for
the mailto-href context.

The xhtml renderer and PluginTrait now build the link label and the
href separately: the address half is run through the mailguard
obfuscation, the query string is preserved verbatim with only HTML
escaping applied. This fixes #1690 — in 'visible' mode the previous
code rawurlencoded the entire address+query, turning '?' into '%3F' and
breaking multi-parameter mailto links; in all modes the query string is
no longer mangled by the [at]/[dot] substitution.

Core call sites (Mailer, auth, LegacyApiCore, common, the xhtml
renderer, the parser, the bundled config/styling/usermanager plugins)
are migrated to MailUtils directly. The old top-level functions and
PREG_PATTERN_VALID_EMAIL constant remain as deprecated shims with
rector mappings.

Tests for obfuscate / mail_isvalid / mail_quotedprintable_encode are
consolidated into a single _test/tests/MailUtilsTest.php and extended
with regression coverage for the multi-parameter, double-escape and
URL-shape cases.

Closes #1690
Replaces #1964

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�� Rector and PHPCS fixes

keep historic typo in value but not in constant

We need to keep the historic typo in the value ("substition"), but there
is no reason to keep it in the constant.

SearchIndex: fix comment position

single line comment moved to the wrong line on reformatting

GfmLink: accept escaped brackets inside link labels

The label slot used `[^\[\]\n]+`, which rejected `\[` / `\]` and
left labels with escaped brackets unmatched. Promote it to
`(?:\\.|[^\[\]\n])+` —

GfmLink: accept escaped brackets inside link labels

The label slot used `[^\[\]\n]+`, which rejected `\[` / `\]` and
left labels with escaped brackets unmatched. Promote it to
`(?:\\.|[^\[\]\n])+` — the same backslash-escape trick the URL
slot already uses — so spec example 523 (`[link \[bar](/uri)`)
matches and unescapes cleanly. The image-as-label sub-pattern
gets the same upgrade.

handle() needs no change: the new class still rejects bare `]`,
so the first literal `](` in the match is still the separator;
Escape::unescapeBackslashes() was already collapsing `\[` to `[`
before the label reached the link handler.

Adds two GfmLinkTest cases for the `\[` / `\]` forms.

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Preformatted: strip leading/trailing blank-line padding from body

The lexer's `\n ` continuation pattern eats the indent off
blank-but-indented source lines, leaving a `\n` in the rewriter
buffer

Preformatted: strip leading/trailing blank-line padding from body

The lexer's `\n ` continuation pattern eats the indent off
blank-but-indented source lines, leaving a `\n` in the rewriter
buffer for each one. Trim those padding newlines before emitting
so the preformatted body starts and ends on a non-blank line, as
GFM example #87 requires. Whitespace-only blocks are still
skipped entirely.

Adds two PreformattedTest cases pinning the new behavior.

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GfmQuote: accept ^> line starts so quotes can follow tables and lists

GfmTable, DW Table, and DW Listblock all consume the boundary \n on
their way out. A pure-lookahead exit pattern at that boundar

GfmQuote: accept ^> line starts so quotes can follow tables and lists

GfmTable, DW Table, and DW Listblock all consume the boundary \n on
their way out. A pure-lookahead exit pattern at that boundary would
trip the lexer's no-advance safety check, because tables and lists
exit right after consuming a marker token and have no leading
unmatched content for the lookahead to attach to (unlike Preformatted,
whose body leaves code lines as UNMATCHED right before the boundary).

Fix this on the consumer side: change the first-line anchor from \n>
to (?:^|\n)>. With the lexer's m flag, ^ matches at offset 0 and at
any position immediately following a \n in the subject, including the
position right after a \n that a preceding mode just consumed.
Subsequent quote lines keep the \n> anchor.

Adds three handoff tests in GfmQuoteTest covering GfmTable, DW Table,
and DW Listblock. Resolves GFM spec example 201.

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Externallink: add per-scheme angle-bracket autolinks for MD syntax

Adds CommonMark §6.5 <URL> autolinks to Externallink, gated to
md/md+dw/dw+md syntax via ModeRegistry::isMdPreferred(). Per-scheme

Externallink: add per-scheme angle-bracket autolinks for MD syntax

Adds CommonMark §6.5 <URL> autolinks to Externallink, gated to
md/md+dw/dw+md syntax via ModeRegistry::isMdPreferred(). Per-scheme
patterns share the existing conf/scheme.conf allow-list so unknown
schemes fall through to literal cdata instead of being silently
dropped by the renderer. Internal whitespace inside the brackets
disqualifies the autolink and the whole envelope is emitted as
cdata to keep the bare-URL detector off the URL.

LinksTest gains 5 cases covering success, internal-whitespace and
leading-whitespace disqualification, unregistered scheme fallthrough,
and the dw-only no-op path. SpecCompatRenderer URL encoder is updated
to match cmark-gfm's HREF_SAFE table (square brackets and a few other
characters move from safe to encoded). skip.php loses the obsolete
#356 entry and gains #605/#606/#607/#609 explaining the unregistered-
scheme cases that the per-scheme regex naturally rejects.

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Block: collapse [ \t]*\n[ \t]* to \n inside paragraphs

Strip [ \t]+ on either side of the soft-break joiner emitted for a
single eol, and ltrim the first cdata of each paragraph. Without this,
DokuW

Block: collapse [ \t]*\n[ \t]* to \n inside paragraphs

Strip [ \t]+ on either side of the soft-break joiner emitted for a
single eol, and ltrim the first cdata of each paragraph. Without this,
DokuWiki preserved leading/trailing whitespace on continuation lines
verbatim, which is invisible in HTML but may visible in plain-text
and other renderers. It is also a requirement in the Markdown spec.

Re-baseline the parser-mode tests that pinned the old preserve
behavior (cdata adjacent to <code>/<file>/<rss>/header/footnote).

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Preformatted: leave boundary \n in stream when next line has content

Adds a zero-width lookahead exit (?=\n[^ \t\n]) ahead of the existing
consuming \n exit. When an indented code block is followed

Preformatted: leave boundary \n in stream when next line has content

Adds a zero-width lookahead exit (?=\n[^ \t\n]) ahead of the existing
consuming \n exit. When an indented code block is followed by a non-
blank line, the boundary newline now stays available for downstream
block-level matchers (GfmHr, GfmHeader, etc.) instead of being eaten
on the way out of preformatted mode.

Concretely fixes a thematic-break-after-indented-code case (GFM spec
case 85's trailing ----): without this change, GfmHr's \n anchor failed
because preformatted had already consumed the newline, and the bare
---- fell through to Entity which converted --- to an em-dash.

The consuming branch is kept as a fall-through for the blank-line and
end-of-input cases, where a pure lookahead would trip the lexer's
no-advance safety check.

Six PreformattedTest expectations updated: trailing cdata after a
preformatted block now carries the leading \n (rendered output is
unchanged — paragraph whitespace is trimmed).

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Lexer: dispatch zero-width EXIT events to mode handlers

invokeHandler short-circuited on empty content for every lexer state,
which silently dropped EXIT events from zero-width exit patterns
(lookah

Lexer: dispatch zero-width EXIT events to mode handlers

invokeHandler short-circuited on empty content for every lexer state,
which silently dropped EXIT events from zero-width exit patterns
(lookahead-only). The mode stack would still pop, but the mode's
handle() method never ran, so handler-side cleanup (restoring buffered
call writers, emitting close calls) was skipped. Now empty content is
only suppressed for non-EXIT states.

Also fix the parameter docblock: $is_match was annotated as boolean
but is actually one of the integer DOKU_LEXER_* constants. Renamed to
$state to match.

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extract Helpers\HtmlEntity, wire into GfmCode and GfmLink URL slot

Numeric and named HTML entity decoding moves out of GfmHtmlEntity into
a pure helper, so capture-by-regex modes can apply the same

extract Helpers\HtmlEntity, wire into GfmCode and GfmLink URL slot

Numeric and named HTML entity decoding moves out of GfmHtmlEntity into
a pure helper, so capture-by-regex modes can apply the same decode
post-extraction (the inline lexer never reaches their bodies). Mirrors
the Helpers\Escape pattern.

Wired up in two slots:

- GfmCode info string: f&ouml;&ouml; now decodes to föö in the
language class. Clears spec example #330.

- GfmLink URL: GfmLink::extractUrl() decodes entities. URL pattern
extends from `[^)\n]+` to `(?:\\.|[^)\n])+` so an escaped \) no
longer terminates the URL early; the existing post-classify
Escape::unescapeBackslashes call strips the backslashes after
Link::classify has done its work. Clears #504, #506, #508.

Skip #328 with a self-contained title-slot reason: the URL side now
decodes correctly, but the title attribute is still discarded
(DokuWiki link instructions have no title slot).

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extend GfmNumericEntity to HTML5 named entities, rename to GfmHtmlEntity

Numeric refs are still decoded explicitly: PHP's html_entity_decode
returns the input unchanged for U+0000, surrogates, U+10F

extend GfmNumericEntity to HTML5 named entities, rename to GfmHtmlEntity

Numeric refs are still decoded explicitly: PHP's html_entity_decode
returns the input unchanged for U+0000, surrogates, U+10FFFF, and
BMP noncharacters where CommonMark requires U+FFFD or the literal
codepoint. Named refs delegate to html_entity_decode with ENT_HTML5,
which carries the full HTML5 named-entity table (including multi-
codepoint decodes like &ngE; -> U+2267 + U+0338).

Unknown names stay literal: the original &xxx; passes through as
cdata and the renderer's &-escaping turns it into &amp;xxx;.

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add GfmNumericEntity for CommonMark numeric character references

Decodes &#nnn; (decimal, 1-7 digits) and &#xhhh; / &#Xhhh; (hex,
1-6 digits) to the corresponding Unicode codepoint, emitted as
plain

add GfmNumericEntity for CommonMark numeric character references

Decodes &#nnn; (decimal, 1-7 digits) and &#xhhh; / &#Xhhh; (hex,
1-6 digits) to the corresponding Unicode codepoint, emitted as
plain cdata. Codepoint 0, codepoints above U+10FFFF, and the
surrogate range U+D800..U+DFFF map to U+FFFD per the spec.

Distinct from the typography Entity mode, which is renderer-side
configurable via entities.conf. Numeric refs are not configurable
so decoding happens at parse time and the renderer needs no
changes.

Lexer leftmost-match consumes the run before any structural
pattern, so &#42;foo&#42; renders as literal *foo* and &#42; foo
does not start a list - matching the spec rule that numeric refs
cannot stand in for structural markers.

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rename syntax flavors 'dokuwiki' / 'markdown' to 'dw' / 'md'

Symmetry with the existing 'dw+md' / 'md+dw' setting values.

add GfmLinebreak for GFM hard line breaks

Two-or-more trailing spaces, or a single backslash, immediately before
a non-final newline render as a `<br/>`. Both delimiter forms share a
single SUBSTITI

add GfmLinebreak for GFM hard line breaks

Two-or-more trailing spaces, or a single backslash, immediately before
a non-final newline render as a `<br/>`. Both delimiter forms share a
single SUBSTITION mode at sort 140, loaded under any MD-active syntax
(markdown, dw+md, md+dw); pure dokuwiki is unaffected.

Reuses the existing `linebreak` handler call and renderer; no new
instructions or renderer changes. SpecCompatRenderer overrides
linebreak() to emit the spec's `<br />` shape. Examples 662, 663
(line break inside a raw HTML tag) are skipped — raw HTML is not
passed through by default.

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�� Rector and PHPCS fixes

Translation update (tr)