This is actually what happened. UEFI 2.3.1B (the first new update since this post) states that behavior for that bit is undefined on legacy systems, the only requirement is for UEFI to ignore it.
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Re: Change the spec?
Date: 2020-09-05 06:45 pm (UTC)UEFI 2.3.1B (the first new update since this post) states that behavior for that bit is undefined on legacy systems, the only requirement is for UEFI to ignore it.