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HTML escaping double-escapes the entities it just generated · case 04

HTML escaping double-escapes the entities it just generated.

Member previewVariant 4 · 3 implementations · 4 checks per implementation

Case contract

Escape only ampersand and less-than once from original text.

Why this case matters

A local executable model for consumers of structured text; oracle values are authored literals, not outputs copied from the repaired implementation.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixtureActualExpectedOutcome
boundary 1"\u0026amp;lt;""\u0026lt;"Failed

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