[XeTeX] problem rendering unicode Devanagari dependent vowel signs and ligatures

[Dominik Wujastyk]

Following Richard's explorations, I found that Jaipur Unicode NFLC
(source<http://ccat.sas.upenn.edu/plc/hindi/>)
also produces a visarga *without* the dotted circle. Input file below, and
output PDF and font attached.

I couldn't find a downloadable Devanagari MT.  I think it's a copyrighted
Mac-only font.

Sadly, with Jaipur Unicode NFLC,  "svaatantryam" is hideous.

Dominik

\documentclass[11pt]{article}

\usepackage{polyglossia}

\begin{document}

\newfontfamily\textsanskrit [Script=Devanagari,Mapping=velthuis]

{Jaipur Unicode NFLC}

\textsanskrit{aacaarya.h

kaartsnya.h .h \char2307

svaatantryam

\noindent

aasiidraajaa nalo naama\\viirasenasuto balii\\uppanno gu.nairi.s.tai\\
ruupavaana"svakovida.h\par}

\end{document}



On 3 February 2011 03:11, Richard Cobbe <cobbe at ccs.neu.edu> wrote:

> On Wed, Feb 02, 2011 at 08:07:24PM +0100, Dominik Wujastyk wrote:
> > I've done some tests on Leo's first problem (see below), and I also
> cannot
> > find a way to separate, e.g., the visarga sign (similar to a Latin colon)
> > from the dotted-circle that is used in Unicode font charts to signify
> that
> > the visarga always follows a vowel.
>
> I'm no expert, but it looks to me as though results will vary with the font
> used.  My first clue to this, oddly enough, was the fact that both the
> visarga and the anusvara in your email, Dominik, displayed without the
> dotted circle.
>
> I tried the following on a Mac OS 10.6 system:
>
>    \documentclass{article}
>
>    \usepackage{fontspec}
>    \usepackage{xltxtra}
>    \usepackage{xunicode}
>
>    \newfontfamily{\SktAFont}[Mapping=velthuis-sanskrit]{Devanagari MT}
>
>  \newfontfamily{\SktFont}[Mapping=velthuis-sanskrit,Script=Devanagari]{Sanskrit
> 2003}
>
>    \begin{document}
>
>    Devanagari MT: {\SktAFont .h .m atrya}
>
>    Sanskrit 2003: {\SktFont .h .m atrya}
>
>    \end{document}
>
> Devanagari MT displays both the anusvara and the visarga without dotted
> circles; Sanskrit 2003 displays them with.  (I'm guessing from this that
> Apple's Terminal.app, in which I run my mail client, uses Devanagari MT for
> the relevant range of Unicode code points, but I have no idea how OS X
> chooses fonts for non-Ascii characters.)
>
> > On 25 January 2011 11:16, Leo Brouwer <singhadaya at googlemail.com> wrote:
> >
> > > Secondly, it seems Xetex doesn't render the common ligature त्र्य
> correctly
> > > for most freely available Devanagari fonts.
>
> I wonder how much of this is XeTeX and how much of this is an issue of font
> encoding and design, although I know very little about the internals of
> either.
>
> I can say, Leo, that I was certainly able to reproduce your results:
> Sanskrit 2003 doesn't display the trya conjunct correctly, but Devanagari
> MT does.  I suspect that font isn't available on non-Mac platforms, though,
> so that's of limited utility to you.
>
> Richard
>
>
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