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Research / Rules / SUB-TABLE-02

SUB-TABLE-02

A wide table needs a media plan, not flattened cells. This applies to Substack, where the result is manual step.

Affects Substack. Matches table_wide. Fixture markdown-portability-test-v1.

What happens, per destination

Every destination that applies SUB-TABLE-02, with the live test behind it.
DestinationTested surfaceResultSeverityConfidenceLast tested
SubstackSubstack web post editorManual stepActionVerifiedTested 2026-08-24.

Why, and what to do

Flattening a complex table silently would lose the relationships between cells.

Do this: Add the table as an image with a text summary.

Limits of this rule

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