Re: Keys. (derives from Re: Sequences of combining characters.)

Date: Wed Sep 25 2002 - 10:36:58 EDT

  • Next message: Doug Ewell: "Re: Keys. (derives from Re: Sequences of combining characters.)"

    On 09/25/2002 05:55:02 AM "William Overington" wrote:

    >For example, I am looking at using the following sequence so as to produce
    >special purpose key within documents.
    >U+2604 U+0302 U+20E3
    >Hopefully that sequence will be so unlikely to occur other than in my
    >specialised application that the sequence can be used uniquely for that
    >specialised application.

    Sorry to be blunt, but that's silly. If you need a special-purpose
    "character" (a code-sequence, to be more precise) for use within your
    specialised application, use one of FDD0..FDEF, FFFE, FFFF, 1FFFE, 1FFFF,
    2FFFE... 10FFFE, 10FFFF. They are non-characters available for exactly
    this use.

    If you need real character sequences for markup, there's this thing called
    XML. Perhaps you've heard of it. It's worth taking a look at; I think it
    really might catch on some day.

    >Also, I have noticed that in the document U02D0.pdf that U+20E4 is shown,
    >the listing, in magenta whereas U+20DF is shown in black. Could someone
    >what significance the magenta colouring in the document has please? Is it
    >perhaps to indicate additions since the previous issue of the document?

    I believe the answer is stated within that document. You're on the right
    track, but I'd still encourage you to read the document.

    - Peter

    Peter Constable

    Non-Roman Script Initiative, SIL International
    7500 W. Camp Wisdom Rd., Dallas, TX 75236, USA
    Tel: +1 972 708 7485
    E-mail: <>

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