Re: 2nd attempt: final_sigma vs final_cased

From: Mark Davis (
Date: Mon Jun 21 2004 - 09:42:33 CDT

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    That problem has been reported several times. There is a document proposing a
    fix, but there was not enough time at the UTC meeting last week to take up the

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    ----- Original Message -----
    From: "Theo Veenker" <>
    To: "unicode" <>
    Sent: Sun, 2004 Jun 20 23:49
    Subject: 2nd attempt: final_sigma vs final_cased

    > Hi,
    > Is there somebody out there who can answer this question?
    > Casing context Final_Sigma is being used in SpecialCasing.txt, but its
    > specification is no longer present in the standard (at least I can't
    > find it). Obviously this context is now called Final_Cased, but the
    > specification for Final_Cased (section 3.13) is not identical to that
    > of Final_Sigma (UAX 21, superseded).
    > regexp Final_Cased:
    > Before C [{cased=true}][{wordBoundary!=true}]*
    > After C !([{wordBoundary!=true}]*[{cased=true}])
    > regexp Final_Sigma:
    > Before C <cased> <case-ignorable>*
    > After C !(<case-ignorable>* <cased>)
    > Is the old specification of Final_Sigma still valid for determining
    > the final sigma casing context, or are there situations where it
    > is inadequate? What I mean is are these specification actually
    > the same WRT final sigma?
    > Theo
    > PS. I sometimes have the feeling that I'm on the wrong list here.
    > Most discussions are about characters, almost never about
    > implementation issues. Is there a unicode developers list
    > perhaps that I'm unaware of?

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