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Ruk DoeandClaude Opus 5.5
84c71fb2e4
The text and ass paths treated every caption without regions as a clear
and emitted an empty ("") subtitle. A statement containing only TIME
also decodes to zero regions, without the clear-screen flag, so it
erased the caption that was being displayed.
Test ARIBCC_CAPTIONFLAGS_CLEARSCREEN as the bitmap path already does,
and emit nothing for other regionless captions.
Add text and ass mode tests on the existing aribcaption_clear.ts sample
(visible caption, TIME-only statement, CS-only statement). Each
reference has two events; before this change there was a third, empty
one for the TIME-only statement.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DdDiDRusmi6eD7qSrKBjHb