RE: New brackets (6 new symbols)

From: Peter Constable (petercon@microsoft.com)
Date: Sat Sep 29 2007 - 05:47:33 CDT

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    Agreed: if they are used in publications, fine; show us evidence of such usage. If they are for markup usage only, then there are lots of existing characters and markup conventions that suffice.

    Peter

    -----Original Message-----
    From: unicode-bounce@unicode.org [mailto:unicode-bounce@unicode.org] On Behalf Of Murray Sargent
    Sent: Friday, September 28, 2007 5:25 AM
    To: Otto Stolz; Dmitry Turin
    Cc: unicode@unicode.org
    Subject: RE: New brackets (6 new symbols)

    Otto has a good point. In general, we only add math symbols that have appeared in standard publications. So if your brackets appear in The Physical Review, for example, then the UTC would most probably add them to a future version of Unicode.

    Thanks
    Murray

    -----Original Message-----
    From: unicode-bounce@unicode.org [mailto:unicode-bounce@unicode.org] On Behalf Of Otto Stolz
    Sent: Friday, September 28, 2007 3:12 AM
    To: Dmitry Turin
    Cc: unicode@unicode.org
    Subject: Re: New brackets (6 new symbols)

    Hello Dmitry Turin,

    you wrote:
    > I propose 3 new brackets (pictures of them are in
    > http://unicode2.chat.ru/site/unicode2/en/author/convert_eng.htm ):
    > "quanket" (quantum brackets) are already used,

    Cf. <http://www.unicode.org/charts/PDF/U27C0.pdf>.

    ...
    > because modern conceptual constructions are complex and
    > consist from repeated enclosures, and old brackets are not enough.

    Have you ever tried to locate all the brackets already
    defined in Unicode and assess their usefulness for your purpose?

      U+005B LEFT SQUARE BRACKET
      U+005D RIGHT SQUARE BRACKET
      U+007B LEFT CURLY BRACKET
      U+007D RIGHT CURLY BRACKET
      U+2045 LEFT SQUARE BRACKET WITH QUILL
      U+2046 RIGHT SQUARE BRACKET WITH QUILL
      U+2308 Corner Brackets
      U+2329 LEFT-POINTING ANGLE BRACKET
      U+232A RIGHT-POINTING ANGLE BRACKET
      U+239B Bracket Pieces
      U+23B0 Bracket Pieces
      U+23B4 Vertical Brackets
      U+23DC Bracket Variants for Vertical Text
      U+2768 Ornamental Brackets
      U+27E6 left bag bracket
      U+27E7 right bag bracket
      U+27E8 left sequence bracket
      U+27E9 right sequence bracket
      U+27EA left chevron bracket
      U+27EB right chevron bracket
      U+2983 LEFT WHITE CURLY BRACKET
      U+2984 RIGHT WHITE CURLY BRACKET
      U+3008 LEFT ANGLE BRACKET
      U+3009 RIGHT ANGLE BRACKET
      U+300A LEFT DOUBLE ANGLE BRACKET
      U+300B RIGHT DOUBLE ANGLE BRACKET
      U+300C LEFT CORNER BRACKET
      U+300D RIGHT CORNER BRACKET
      U+300E LEFT WHITE CORNER BRACKET
      U+300F RIGHT WHITE CORNER BRACKET
      U+3010 LEFT BLACK LENTICULAR BRACKET
      U+3011 RIGHT BLACK LENTICULAR BRACKET
      U+3014 LEFT TORTOISE SHELL BRACKET
      U+3015 RIGHT TORTOISE SHELL BRACKET
      U+3016 LEFT WHITE LENTICULAR BRACKET
      U+3017 RIGHT WHITE LENTICULAR BRACKET
      U+3018 LEFT WHITE TORTOISE SHELL BRACKET
      U+3019 RIGHT WHITE TORTOISE SHELL BRACKET
      U+301A LEFT WHITE SQUARE BRACKET
      U+301B RIGHT WHITE SQUARE BRACKET

    Cf. <http://www.unicode.org/charts/symbols.html>
    and <http://www.unicode.org/charts/charindex.html>
    with links to the respective code charts.

    Best wishes,
       Otto Stolz

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