Re: Printing and Displaying Dependent Vowels

From: Sinnathurai Srivas (sisrivas@blueyonder.co.uk)
Date: Sun Mar 28 2004 - 05:24:34 EST

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    Unicode rightly or wrongly decided to implement partial Grammar at encoding
    level. Hence, possible solutions to this problem be defined by UC and not
    leaving to others is get tangled may be the right way to go.

    1/ Linear Depandent with dotted circle- as stand alsone
    2/ Linear dependent without dotted circle - as stand alone
    3/ Repositioned dependent with dotted circle- as stand alone
    4/ Repositioned dependent without dotted circle - as stand alone

    I think the above four need to be defined by UC.

    Probably the no:1 above (or is it no: 3 above) is already defined and wee
    can build on this.

    Srivas

    ----- Original Message -----
    From: "Peter Jacobi" <peter_jacobi@gmx.net>
    To: "Avarangal" <avarangal@hotmail.com>; "Peter Constable"
    <petercon@microsoft.com>; <peterkirk@qaya.org>
    Cc: <unicode@unicode.org>
    Sent: Saturday, March 27, 2004 9:24 PM
    Subject: RE: Printing and Displaying Dependent Vowels

    Hi Srivas, Peter Kirk, Peter Constable, List Members

    Peter Constable wrote:
    > Peter Kirk wrote:
    > > Are these dependent on the font, as some have
    > > suggested, or are they prescribed by Uniscribe? Do different versions
    > of
    > > Uniscribe differ in this respect, as I rather think?
    >
    > At present, I don't know the answer. I know this is something we have
    > intended to support, but I don't get that behaviour on the particular
    > system I'm using at the moment. I will keep it in mind as an issue to
    > review in the next version of our Indic shaping engine.

    With the help of members of the abiword-user@abisource.com mailing list,
    I can offer some empirical evidence on this whodunnit:

    Using the Linux version of Abiword, which uses the Pango renderer,
    both the Code 2000 and the MS Latha font display the vowel signs without the
    unwanted dotted circle. NBSP and normal SPACE give identical results.
    For Code 2000 only, the dotted circle or a similiar ersatz glypg (the
    screenshot is
    not that clear) is drawn for the two-part vowel signs U+0BCA, U+0BCB and
    U+0BCC
    between the two parts.

    Best Regards,
    Peter Jacobi 

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