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Research / Rules / SUB-MATH-01

SUB-MATH-01

Math is moved to a checklist. This applies to Substack, where the result is manual step.

Affects Substack. Matches math_inline, math_block. Fixture markdown-portability-test-v1.

What happens, per destination

Every destination that applies SUB-MATH-01, with the live test behind it.
DestinationTested surfaceResultSeverityConfidenceLast tested
SubstackSubstack web post editorManual stepActionVerifiedTested 2026-08-24.

Why, and what to do

Dollar-delimited math stayed literal; the native LaTeX block cannot be written by clipboard.

Do this: Recreate each formula with the native LaTeX control.

Limits of this rule

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