1<?php 2 3/** 4 * GFM spec examples that GfmSpecTest should skip, keyed by example number 5 * (as numbered in spec.txt / the rendered spec). 6 * 7 * Add entries here ONLY for behavior DokuWiki has explicitly decided not to 8 * implement — not for features that are merely pending. Unimplemented 9 * features should show as real failures so they remain visible TODOs on 10 * the branch. 11 * 12 * Each value is a short human-readable reason that will appear in phpunit's 13 * skip output. 14 */ 15 16return [ 17 // -------------------------------------------------------------------- 18 // Code-span edge cases that collide with project-wide decisions 19 // (no raw HTML, no GFM angle-bracket autolinks, typography on by 20 // default) or with the single-pass lexer's limits. 21 // -------------------------------------------------------------------- 22 351 => 'code span vs. emphasis: cross-positional precedence would require' 23 . ' a pre-scan pass — the single-pass lexer matches leftmost-first' 24 . ' and cannot reject an earlier emphasis opener because a later' 25 . ' backtick span would consume its closer', 26 353 => 'code span: the trailing `"` outside the span is converted to a' 27 . ' curly quote by DokuWiki typography, diverging from the spec HTML', 28 354 => 'raw HTML tag pass-through: DokuWiki does not render raw HTML by' 29 . ' default; `<html>` blocks are the opt-in', 30 356 => 'GFM angle-bracket autolink `<http://…>`: not implemented — we' 31 . ' rely on DokuWiki\'s existing bare-URL detection, which does not' 32 . ' parse `<URL>` form', 33 34 // -------------------------------------------------------------------- 35 // CommonMark §6.2 flanking-delimiter analysis — deliberately not 36 // implemented. DokuWiki's regex lexer uses leftmost-match and cannot 37 // apply CommonMark's left/right-flanking rules that distinguish 38 // word-chars, whitespace, and punctuation for `*`/`_` delimiters, or 39 // the "multiple-of-3" rule for overlapping runs. These examples all 40 // rely on that machinery. 41 // -------------------------------------------------------------------- 42 43 // Unicode whitespace in flanking context. Our `\s` is ASCII-only 44 // because the lexer doesn't set the PCRE `u` flag. 45 363 => 'Unicode whitespace (U+00A0) flanking — requires u-flag-aware regex', 46 47 // Punctuation-adjacent flanking for `*` / `_` / `**` / `__` 48 362 => 'flanking: punctuation-adjacent `*` (left-flanking vs. right-flanking)', 49 368 => 'flanking: punctuation-adjacent `_`', 50 372 => 'flanking: intraword `_` with punctuation inside', 51 377 => 'flanking: `*` followed by `(` requires punctuation-aware flanking', 52 378 => 'flanking: nested `*(*foo*)*` requires flanking + balanced-pair analysis', 53 382 => 'flanking: nested `_(_foo_)_` requires flanking + balanced-pair analysis', 54 389 => 'flanking: punctuation-adjacent `**`', 55 394 => 'flanking: punctuation-adjacent `__`', 56 401 => 'flanking: `**` followed by `(`', 57 404 => 'flanking: nested `*bar*` inside `**foo ... foo**` with punctuation', 58 407 => 'flanking: `__` followed by `(`', 59 470 => 'flanking: nested `*_foo_*` requires balanced-pair analysis', 60 472 => 'flanking: nested `_*foo*_` requires balanced-pair analysis', 61 62 // Intraword `__` strong (even multibyte) — flanking rule for `_` requires 63 // examining whether the delimiter run is word-boundary-flanking, which our 64 // simple lookbehind/lookahead approximation doesn't fully match. 65 395 => 'flanking: intraword `__` (`foo__bar__`) — left-flanking vs right-flanking', 66 396 => 'flanking: intraword `__` across digits (`5__6__78`)', 67 397 => 'flanking: intraword `__` with Cyrillic', 68 398 => 'flanking: `__foo, __bar__, baz__` — flanking + balanced pairing', 69 409 => 'flanking: `__foo__bar` — intraword close', 70 410 => 'flanking: intraword `__` with Cyrillic (leading)', 71 411 => 'flanking: `__foo__bar__baz__` — multiple `__` pairs with flanking', 72 412 => 'flanking: `__(bar)__.` — punctuation-adjacent', 73 74 // Overlapping / multiple-of-3 rule for runs 75 416 => 'CommonMark rule 9 (overlapping same-delimiter `_foo _bar_ baz_`)', 76 417 => 'CommonMark overlapping `_` / `__` with flanking', 77 418 => 'CommonMark overlapping `*foo *bar**` — multiple-of-3 rule', 78 419 => 'CommonMark nested `*foo **bar** baz*` — balanced-pair analysis', 79 421 => 'CommonMark overlapping `*foo**bar*` — multiple-of-3', 80 422 => 'CommonMark nested `***foo** bar*` — triple-delimiter analysis', 81 423 => 'CommonMark nested `*foo **bar***` — triple-delimiter analysis', 82 424 => 'CommonMark nested `*foo**bar***` — triple-delimiter analysis', 83 425 => 'CommonMark triple `foo***bar***baz` — triple-delimiter analysis', 84 426 => 'CommonMark long delimiter runs `foo******bar*********baz`', 85 427 => 'CommonMark deeply nested `*foo **bar *baz* bim** bop*`', 86 434 => 'CommonMark overlapping `__foo __bar__ baz__` — multiple-of-3', 87 435 => 'CommonMark `____foo__ bar__` — leading long delimiter run', 88 436 => 'CommonMark `**foo **bar****` — trailing long delimiter run', 89 439 => 'CommonMark nested `***foo* bar**` — triple-delimiter', 90 440 => 'CommonMark nested `**foo *bar***` — triple-delimiter', 91 441 => 'CommonMark deeply nested `**foo *bar **baz** bim* bop**`', 92 93 // `__foo_` / `_foo__` — mixing `_` and `__` requires flanking to decide 94 // which delimiter pairs open/close. 95 463 => 'flanking: `__foo_` — mixed `_`/`__` pairing', 96 464 => 'flanking: `_foo__` — mixed `_`/`__` pairing', 97 465 => 'flanking: `___foo__` — delimiter-run length analysis', 98 466 => 'flanking: `____foo_` — delimiter-run length analysis', 99 467 => 'flanking: `__foo___` — delimiter-run length analysis', 100 468 => 'flanking: `_foo____` — delimiter-run length analysis', 101 102 // Long delimiter runs require excess-drop logic (2 outer chars dropped 103 // from each side). Stack-based pairing needed — out of scope. 104 473 => 'CommonMark `****foo****` — excess-drop (4+4 → strong only)', 105 474 => 'CommonMark `____foo____` — excess-drop (4+4 → strong only)', 106 475 => 'CommonMark `******foo******` — excess-drop (6+6 → strong only)', 107 477 => 'CommonMark `_____foo_____` — excess-drop (5+5 → em+strong, 2 dropped each side)', 108 109 // Overlapping / crossing delimiters 110 478 => 'CommonMark `*foo _bar* baz_` — overlapping different delimiters', 111 479 => 'CommonMark `*foo __bar *baz bim__ bam*` — crossing delimiters', 112 480 => 'CommonMark `**foo **bar baz**` — overlapping same delimiter', 113 114 // -------------------------------------------------------------------- 115 // Inline link `[text](url)` — features GfmLink deliberately does not 116 // implement. Either rarely-used syntax paid for with disproportionate 117 // regex complexity, or single-pass-lexer limits that can't be worked 118 // around inside one mode. 119 // -------------------------------------------------------------------- 120 121 // GFM link title attribute (`"title"` / `'title'` / `(title)` after 122 // the URL). Parses cleanly but is discarded: DokuWiki's link handler 123 // instructions have no title-attribute slot, and plumbing one through 124 // every renderer is out of scope for GfmLink. 125 493 => 'link title attribute: GfmLink parses but discards — DokuWiki link instructions have no title slot', 126 513 => 'link title attribute (three quoting styles): discarded by GfmLink', 127 515 => 'link title separated by non-breaking space: title slot not supported', 128 516 => 'link title with nested balanced quotes: Markdown.pl quirk, not supported', 129 517 => 'link title with different quote type for inner quotes: title slot not supported', 130 518 => 'multi-line link title: title slot not supported', 131 132 // Pointy-bracket link destinations `<...>`. Rarely used; regex cost 133 // and interaction with raw-HTML detection outweigh the benefit. 134 496 => 'pointy-bracket link destination `<>`: not supported', 135 498 => 'pointy-bracket destination with spaces `<...>`: not supported', 136 500 => 'pointy-bracket destination with newline: not supported', 137 501 => 'pointy-bracket destination containing `)`: not supported', 138 502 => 'pointy-bracket destination with trailing backslash: not supported', 139 503 => 'malformed pointy-bracket destinations: renderer output differs', 140 507 => 'pointy-bracket destination wrapping unbalanced parens: not supported', 141 142 // Balanced-parens inside URL destinations. 143 505 => 'balanced-parens in URL destination: not supported (regex single-level)', 144 145 // Other URL-level edges. 146 495 => 'empty URL destination `[link]()`: pattern requires non-empty URL', 147 510 => 'backslash in URL destination: URL-encoding differs from spec', 148 511 => 'HTML entity / percent-encoding in URL: renderer normalization differs', 149 512 => 'link destination that parses as a title: edge case not supported', 150 151 // Inherent single-pass-lexer limits for link text containing nested 152 // structures. These cannot be resolved inside one mode. 153 522 => 'nested bracket forms inner link, outer falls back to literal', 154 526 => 'nested links: inner is a link, outer falls back to literal', 155 527 => 'nested links inside emphasis: not supported', 156 529 => 'link text grouping vs. emphasis: leftmost-match cannot override', 157 530 => 'emphasis/bracket crossing: leftmost-match cannot override', 158 532 => 'raw HTML inside link text: project-wide "no raw HTML" limit', 159 533 => 'code span inside link text: requires pre-scan pass (see #351)', 160 534 => 'autolink inside link text: raw `<URL>` autolinks not supported (see #356)', 161 162 // Reference links (`[text][id]`, `[text][]`, `[foo]` with matching 163 // `[foo]: url` definition). Not implemented: resolving forward 164 // references would require a two-pass parse, but DokuWiki's lexer is 165 // single-pass. Inline links `[text](url)` are the only supported 166 // form. 167 535 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 168 536 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 169 537 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 170 538 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 171 539 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 172 540 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 173 541 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 174 542 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 175 543 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 176 544 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 177 545 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 178 546 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 179 547 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 180 548 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 181 549 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 182 550 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 183 551 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 184 552 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 185 553 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 186 557 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 187 558 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 188 560 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 189 561 => 'collapsed reference link: forward-reference definitions not supported (single-pass lexer)', 190 562 => 'collapsed reference link: forward-reference definitions not supported (single-pass lexer)', 191 563 => 'collapsed reference link: forward-reference definitions not supported (single-pass lexer)', 192 564 => 'collapsed reference link: forward-reference definitions not supported (single-pass lexer)', 193 565 => 'shortcut reference link: forward-reference definitions not supported (single-pass lexer)', 194 566 => 'shortcut reference link: forward-reference definitions not supported (single-pass lexer)', 195 567 => 'shortcut reference link: forward-reference definitions not supported (single-pass lexer)', 196 568 => 'shortcut reference link: forward-reference definitions not supported (single-pass lexer)', 197 569 => 'shortcut reference link: forward-reference definitions not supported (single-pass lexer)', 198 570 => 'shortcut reference link: forward-reference definitions not supported (single-pass lexer)', 199 571 => 'shortcut reference link with escape: forward-reference definitions not supported (single-pass lexer)', 200 572 => 'shortcut reference link with emphasis: forward-reference definitions not supported (single-pass lexer)', 201 573 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 202 574 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 203 575 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 204 576 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 205 577 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 206 578 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 207 579 => 'reference link: forward-reference definitions not supported (single-pass lexer)', 208 209 // -------------------------------------------------------------------- 210 // Inline image ``. The XHTML renderer's default media 211 // rendering diverges from GFM's bare <img> (it wraps in a details <a> 212 // with fetch.php/detail.php proxy URLs) — GfmSpecTest uses 213 // SpecCompatRenderer to emit spec-shape bare <img>, so only the 214 // parser-level or feature-level gaps remain as skips: title attribute 215 // (no DW slot), reference images, pointy-bracket destinations, nested 216 // brackets, and escape-dependent cases. 217 // -------------------------------------------------------------------- 218 219 580 => 'image with title attribute: GfmMedia discards titles (no DW slot)', 220 581 => 'reference-style image: forward-reference definitions not supported (single-pass lexer)', 221 582 => 'nested image-in-image `](y)`: alt class forbids brackets;' 222 . ' leftmost-match cannot reorder — outer falls back to literal (see #526)', 223 583 => 'link-in-image alt `](y)`: alt class forbids brackets;' 224 . ' leftmost-match cannot reorder — outer falls back to literal (see #526)', 225 584 => 'collapsed reference-style image: forward-reference definitions not supported', 226 585 => 'full reference-style image: forward-reference definitions not supported', 227 587 => 'image with title attribute: title discarded (no DW slot)', 228 588 => 'pointy-bracket image destination ``: not supported (see GfmLink #496)', 229 590 => 'reference-style image: forward-reference definitions not supported', 230 591 => 'reference-style image (case-insensitive label): forward-reference definitions not supported', 231 592 => 'collapsed reference-style image `![foo][]`: forward-reference definitions not supported', 232 593 => 'collapsed reference-style image with emphasis in label: forward-reference definitions not supported', 233 594 => 'collapsed reference-style image (case-insensitive): forward-reference definitions not supported', 234 595 => 'reference-style image with intervening whitespace: forward-reference definitions not supported', 235 596 => 'shortcut reference-style image `![foo]`: forward-reference definitions not supported', 236 597 => 'shortcut reference-style image with emphasis: forward-reference definitions not supported', 237 598 => 'image with unescaped nested brackets `![[foo]]`: literal-fallback behavior not supported', 238 599 => 'shortcut reference-style image (case-insensitive): forward-reference definitions not supported', 239 600 => 'escape in image syntax `!\[foo]`: depends on GfmEscape (pending)', 240 601 => 'backslash-escape of `!` before link: depends on GfmEscape (pending)', 241 242 // -------------------------------------------------------------------- 243 // ATX heading collisions with DokuWiki-specific behavior. 244 // -------------------------------------------------------------------- 245 38 => 'ATX heading with leading spaces: GFM tolerates 0-3 spaces of' 246 . ' indent before the opener; we require the `#` at column 0.' 247 . ' Indent tolerance collides with DokuWiki\'s 2-space-indent' 248 . ' preformatted block and isn\'t worth untangling', 249 39 => 'indented code block: DokuWiki uses 2-space indent for' 250 . ' preformatted; GFM 4-space indented code blocks are not' 251 . ' implemented', 252 40 => 'indented code block: 4-space indent after a paragraph is a' 253 . ' continuation in GFM but preformatted in DokuWiki — not' 254 . ' implemented', 255 41 => 'ATX heading with leading spaces: second heading is indented' 256 . ' by 2 spaces; we require the `#` at column 0', 257 49 => 'empty ATX heading: DokuWiki\'s XHTML renderer deliberately' 258 . ' skips blank headings (blank() guard in Doku_Renderer_xhtml::header)', 259]; 260