Re: Phetsarat font, Lao unicode

From: John Hudson (
Date: Thu Jul 12 2007 - 12:23:49 CDT

  • Next message: John Hudson: "Re: Phetsarat font, Lao unicode"

    Philippe Verdy wrote:

    > Doesn't it suggest that this defines a new, currently unspecified, property
    > for scripts, i.e. the preferred visible base character to use as a symbol
    > for denoting an implied unknown base letter with which a combining character
    > should be displayed?

    It might, except conventions vary and there is usually more than one convention for any
    given script. I think the dotted circle is a fine convention and would be happy to see it
    used everywhere, but publishers and lexicographers etc. have their own established
    conventions, so we should try to document and support them.

    > But what for Hebrew, some dash or square?

    SBL Font Foundation members have reported four conventions: a circle (non-dotted), a
    square, a baseline stroke and a blank space. The baseline stroke is the most problematic,
    because I'm not sure how this should be encoded (some people have suggested the Arabic
    tatweel character).

    > It's true that it will remain other possibilities, but specifying them
    > somewhere would help font designers implementing at least those for correct
    > rendering.

    A note in the individual script section of the Unicode book would certainly be welcome.

    John Hudson

    Tiro Typeworks
    Gulf Islands, BC
    We say our understanding measures how things are,
    and likewise our perception, since that is how we
    find our way around, but in fact these do not measure.
    They are measured.   -- Aristotle, Metaphysics

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