en Copyright 2025 Java http://127.0.0.1:8080/history/dokuwiki/inc/Parsing/ParserMode/GfmEmphasisStrongUnderscore.php#2bb62bca317961d66fa2908b40f183af01402a91 add GFM em-wrapping-strong modes for `***foo***` / `___foo___`Two new inline formatting modes that render triple-delimiter runs asem wrapping strong: GfmEmphasisStrong `***text***` → <em><strong>text</strong></em> GfmEmphasisStrongUnderscore `___text___` → same (MD-preferred only)Only the exact 3+3 symmetric case is handled. The other long-run andasymmetric variants (4+4, 5+5, `***foo**`, etc.) require CommonMark'sstack-based delimiter-pairing algorithm with its flanking andmultiple-of-3 rules, which is explicitly out of scope; those examplesstay skipped in gfm-spec/skip.php.Implementation notes:* Patterns enforce exact 3+3 via `(?<!\*)` / `(?<!_)` lookbehinds (preventing entry at the second `*` of a `****...` run) and `(?!\*)` / `(?!_)` lookaheads after the closing triple (rejecting `***foo****` etc.). Combined with the existing non-whitespace adjacency lookaheads, all asymmetric cases cleanly fall through to other modes or stay literal.* GfmEmphasisStrong overrides handle() to emit two instructions on entry (emphasis_open + strong_open) and two on exit (strong_close + emphasis_close). GfmEmphasisStrongUnderscore inherits that handler — only delimiters and word-boundary rules differ.* Sort 65 — below Strong (70) and GfmEmphasis (80) so the em+strong modes win the lexer race for `***`/`___` runs. Underscore variant is MD-preferred-only, matching the existing gating of GfmEmphasisUnderscore and GfmStrongUnderscore.Per-mode unit tests cover basic matching, single-char bodies,whitespace flanking rejection, paragraph-boundary rejection,longer-run rejection, asymmetric rejection, multibyte intrawordprotection, and sort values. ModeRegistryTest's gating data providerpicks up the two new rules.Net effect on GfmSpecTest: example #476 (`***foo***`) now passes;473/474/475/477 remain skipped as documented in skip.php. List of files: /dokuwiki/inc/Parsing/ParserMode/GfmEmphasisStrongUnderscore.php Mon, 20 Apr 2026 18:59:51 +0000 Andreas Gohr <gohr@cosmocode.de>