Re: ZWJ, ZWNJ and VS in Latin and other Greek-derived scripts

From: Richard Wordingham (
Date: Thu Jan 25 2007 - 18:46:26 CST

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    Ruszlan Gaszanov wrote on Thursday, January 25, 2007 11:39 PMcripts

    +AD4- Richard Wordingham wrote:

    +AD4APg- In general, the effects of ZWJ and ZWNJ are optional. Thus if I use ZWJ
    +AD4APg- in
    +AD4APg- 'Caesar', it is up to the rendering system as to whether I see something
    +AD4APg- like 'C+AOY-sar'. (In some scripts, ZWJ and ZWNJ do have effects that are
    +AD4APg- mandatory on rendering systems.)

    +AD4- Uh, ok... and how about making those effects mandatory for
    +AD4- Latin/Greek/Cyrillic etc. too?

    That might work for ZWNJ. It won't work for ZWJ.

    Firstly you'd have to allow an exception for fonts that lacked the
    ligatures. There are a lot of ligatures, and they are neither reasonable
    for a monospaced font nor for a font that only needs minimal Latin script

    Secondly, the name is not spelt with the letter +AOY-sc (ash), but with an
    optional ligature of 'a' and 'e'. A monospaced U+-00E6 LATIN SMALL LETTER AE
    glyph would not be appropriate for 'Caesar' - it is better to write the
    vowels out unligated. The same applies to the spelling of 'coelom' with its


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