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Currently the specification for Web IDL Extended Attributes limits one to using an argument list. For certain work I am doing, it would be very beneficial to have the ability to also provide one or more constants. Consider an extended attribute such as : [RangeLimit(1,421428)] Or [CrossReference("2a666F")]
Could you please file an issue against https://github.com/heycam/webidl/issues/new if this is still a concern? And if so, please provide a little more detail on the intended use.