Closed: [ttml2] Clarify if the first ISD must/may be constructed when empty (#1232)

• From: Glenn Adams via GitHub <sysbot+gh@w3.org>
• Date: Wed, 21 Jul 2021 23:37:08 +0000
• To: public-tt@w3.org
• Message-ID: <issues.closed-891763373-1626910626-sysbot+gh@w3.org>

skynavga closed this issue. See https://github.com/w3c/ttml2/issues/1232

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Received on Wednesday, 21 July 2021 23:37:10 UTC