Need reference to good ABNF for \uXXXX syntax

[Rebecca Bettencourt]

Is %x2F supposed to be %x27?

-- Rebecca Bettencourt


On Fri, Apr 16, 2021 at 8:29 AM Doug Ewell via Unicode <unicode at unicode.org>
wrote:

> Martin J. Dürst wrote:
>
> > What bothers me in this grammar is that the first "\u" isn't anywhere
> > in sight, but the second one is there. It would be much clearer if
> > either the first "\u" is at the start of hexchar, i.e.
>
> Sorry, I neglected to include this line, which precedes everything I did
> quote:
>
> SESC = "\" ( %x22 / %x2F / %x5C / %x62 / %x66 / %x6E / %x72 / %x74 /
>              (%x75 hexchar) )
>
> SESC incorporates all the other backslash-escaped characters. It, not
> hexchar, is the real entity referenced by everything else.
>
> --
> Doug Ewell, CC, ALB | Lakewood, CO, US | ewellic.org
>
>
>
>
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