FA-21599 / Assistive announcements / Member archive

Closing language scope resets all nesting · case 04

The announcement trace violates the stated speech-markup contract.

Member previewVariant 4 · 3 implementations · 7 checks per implementation

Case contract

Bounded token renderer has independent language and emphasis stacks. Text emits [language,emphasis,text]. Push/pop scopes restore prior values; unmatched pops are ignored. Spell emits characters separated by spaces; digits uses fixed English digit words preserving zeros. Pause emits [pause,nonnegative duration] without text. Mark emits named bookmark and current spoken-text count. Break emits newline. Reset restores base en/normal without deleting output. Empty text emits nothing.

Why this case matters

Deterministic controlled model of assistive announcement delivery.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
trace-1	`[[["de", "normal", "hallohallohallohallo"], ["en", "normal", "salut"], ["en", "normal", "hello"]], ["en"], ["normal"], 3]`	`[[["de", "normal", "hallohallohallohallo"], ["fr", "normal", "salut"], ["en", "normal", "hello"]], ["en"], ["normal"], 3]`	Failed

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