browser behavioral differences for IDNA

From: Mark Davis ☕ (
Date: Wed Oct 21 2009 - 14:51:48 CDT

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    FYI, UTS 46 points to differences among browsers regarding separator
    (period) behavior. See

    Markus and I have further investigated some browser behavior, and have also
    found differences regarding normalization behavior for IDNA. See:


    On Tue, Oct 20, 2009 at 12:24, <> wrote:

    > The draft UTS#46 Unicode IDNA Compatible Preprocessing has been updated.
    > There are a number of new review notes pointing out issues and asking for
    > feedback. There are also new tables: one comparing behavior of compatibility
    > and escaped versions of FULL STOP in delimiting labels between different
    > browsers, and one comparing the allowed and disallowed repertoires when
    > processing IDNs according to the IDNA2003, IDNA2008, and UTS #46
    > specifications. There are also many improvements and clarifications of the
    > text.
    > See:
    > Review period closes October 26, 2009.
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