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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add listo_open_start sibling method for GFM start numbers

Reverts the listo_open signature widening from 5a2118acc and instead
adds a sibling method `listo_open_start($start = 1)` on the renderer
hi

add listo_open_start sibling method for GFM start numbers

Reverts the listo_open signature widening from 5a2118acc and instead
adds a sibling method `listo_open_start($start = 1)` on the renderer
hierarchy. The base default delegates to listo_open() so renderers
that don't override it still produce a valid (but unnumbered) list;
xhtml's override emits <ol start="N">.

The handler now emits 'listo_open_start' only for ordered lists with
a non-default first number; plain ordered lists keep emitting the
unchanged 'listo_open' instruction. This preserves the historical
listo_open / listu_open signatures (zero-arg base, $classes-only
xhtml form from 2016) so the 17 plugin renderers found via
codesearch keep working without modification, while still
implementing GFM's "5. foo" -> <ol start="5"> rule.

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add GfmTable for GFM tables

Implements the GFM pipe-table extension as a CONTAINER mode at sort 55,
one below DW Table at 60. A lookahead-validated entry pattern asserts a
header line plus a `:?-+:?

add GfmTable for GFM tables

Implements the GFM pipe-table extension as a CONTAINER mode at sort 55,
one below DW Table at 60. A lookahead-validated entry pattern asserts a
header line plus a `:?-+:?` delimiter row before consuming any input, so
non-table paragraphs containing pipes flow through unchanged. Cells are
inline-only per spec.

Handler\GfmTable rewrites the flat token stream into the canonical
table_open / tablethead_* / tabletbody_* / table_close sequence, deriving
per-column alignment from the delimiter row, padding short body rows
(spec 202), truncating long ones (spec 204), and falling back to a single
cdata when the column count mismatches (spec 203).

`tabletbody_open` / `tabletbody_close` are emitted for the first time;
they are part of the base renderer API but DW Table never used them.
Added to Block's blockOpen / blockClose lists alongside `tabletfoot_*`
for symmetry. SpecCompatRenderer gains minimal table-element overrides
so spec roundtrip output matches GFM's `<table><thead><tr><th>` shape
without DW's wrapper div, row/col counter classes, or align-as-class.

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code style: operator spacing

coding style: control flow line breaks

Apply rector fixes to inc/Parsing

Remove the htmlok and phpok embedding options

Both options have grave security implications and novice users seem to
ignore advice about them. In the last decades I never came across a wiki
that had

Remove the htmlok and phpok embedding options

Both options have grave security implications and novice users seem to
ignore advice about them. In the last decades I never came across a wiki
that had legitimate use of these options.

If someone needs the functionality, it can easily be added back using a
plugin. But I prefer to give users one less option to shoot themselves
in the foot.

Removal of the translations for the config strings can follow after this
has been merged.

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do not use DOKU_PARSER_EOL outside of testing

moved all parsing related namespaces to their own