Re: Medievalist ligature character in the PUA

From: Bob Hallissy (
Date: Mon Dec 07 2009 - 09:02:09 CST

  • Next message: Andrew West: "Re: Medievalist ligature character in the PUA"

    On 2009-12-07 at 13:44 Doug Ewell wrote:
    > "William_J_G Overington" <wjgo underscore 10009 at btinternet dot com>
    > wrote:
    >> Something which I like to do in my own fonts is to include a glyph
    >> for U+200D the Zero Width Joiner. This means that when using a
    >> non-OpenType-aware application program that the specific request for
    >> a ligature is clear.
    >> From TUS 5.0, Section 16.2 ("Layout Controls"), page 540:
    > "As with all other alternate format characters, fonts should use an
    > invisible zero-width glyph for representation of both ZWJ and ZWNJ."

    And also TUS 5.0, Section 5.20 ("Default Ignorable Code Points"), page 193:

    "This does /not/ imply that default ignorable code points must always be
    invisible. An implementation can, for example, show a visible glyph on
    request, such as in a "Show Hidden" mode."


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