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Escaped frame markers are decoded as delimiters · case 03

Escaped frame markers are decoded as delimiters.

Member previewVariant 3 · 3 implementations · 4 checks per implementation

Case contract

Decode 0x7D escapes by XOR 0x20; other bytes are literal, dangling escape rejects.

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[65][93, 65]Failed

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