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fix: invalidate stale raw spelling on combinator value assignment - #342
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Nov 8, 2026
* origin/main: fix: preserve selector delimiters after escaped backslashes (postcss#354) fix: keep the processor's entry points usable when destructured feat: support the case-sensitive attribute flag (s) per Selectors Level 4 (postcss#327) fix: escape values assigned to an id through the value setter (postcss#326) fix: escape class values supplied to the constructor (postcss#349) fix: preserve the spaces declared on selector and root containers (postcss#356) fix: forward the default options given to the parser factory (postcss#345) 7.1.8 fix: remove four more quadratic paths from selector parsing chore(deps): bump tinypool and oxfmt (postcss#351) 7.1.7 docs: add CVE-2026-104844 to the 7.1.6 changelog entry fix: keep whitespace around the namespace separator in attribute selectors (postcss#339) fix: invalidate stale raw spelling on combinator value assignment (postcss#342) fix: set parents for all variadic inserted nodes (postcss#343) Consume whitespace after hexadecimal CSS escapes (postcss#340) fix: lossless mode drops whitespace when a selector ends empty (postcss#337) chore(deps-dev): bump source-map-js from 1.2.1 to 1.2.2 (postcss#347) 7.1.6 fix: parse flat selectors in linear time, closing a CPU exhaustion vulnerability # Conflicts: # src/parser.js
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Fixes #196.
After parsing
a\tb, assigningcombinator.value = ">"still serializes the old tab becauseraws.valuewins over the new value. Clear that stale raw spelling on explicit assignment, while preserving constructor-provided raw text, unchanged clones, and the existing raw-property helpers. Assigning the same semantic space also normalizes a tab or newline as requested in the issue.Document that replacing the value replaces comments embedded in
raws.value; comments stored separately in raw spacing remain intact. Add regression tests for whitespace, named combinators, constructor option order, clone isolation, and raw helper behavior.Validation on Node 26.3.0: seven regression assertions fail before the fix; all 75 focused tests and all 813 full-suite tests pass afterward. Coverage gates pass (94.96% lines, 95.50% branches, 97.72% functions). Build, lint, changed-source formatting, and strict declaration tests with project-local type roots pass.
The default typecheck picks up unrelated ancestor
@types/nodedeclarations and reports three errors there; the strict check with--typeRoots ./node_modules/@typespasses without skipping library checks. Full formatting reports only the unchangedsrc/__tests__/exceptions.mjs; lint has two existing warnings in that file.OpenAI Codex assisted with the code, tests, and description. The final patch received an independent AI review.