21:21
<jmdyck>
Hm, https://ci.tc39.es/preview/tc39/ecma262/sha/9b6e3a351608d3ced2c9b4855f0cdecc4bc21b31/#sec-evaldeclarationinstantiation has a normative-optional within a normative-optional.
21:23
<jmdyck>
Ah, because they're for 2 different features.