UAX44: loose matching of symbolic values and the `is` prefix

Mathias Bynens mathias at
Tue Jun 7 14:13:09 CDT 2016

> On 7 Jun 2016, at 17:56, Doug Ewell <doug at> wrote:
> Rather than changing the spec based on anecdotal evidence, […]
> It seems irresponsible to assume now that nobody anywhere needs
> it.

What assumption are you talking about? Markus and Nova provided actual examples of implementations not following the spec, and so far no one has been able to provide even a single counter-example.

> There must have been some basis for including the "is" case in the first
> place.

Now *that* sounds like an assumption to me.

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