Replace the ISO-8859-7 characters with utf-8 and see what happens.
On Tuesday 05 October 2010, Nikos Platis wrote:
> Consider the following minimal file:
>
> -----------
> \documentclass[a4paper,10pt]{article}
> \usepackage{fontspec}
> \setmainfont{Candara}
> \begin{document}
> ά Ά έ Έ ή Ή ί Ί ϊ Ϊ ΐ ό Ό ύ Ύ ϋ Ϋ ΰ ώ Ώ
> \end{document}
> -----------
>
> Using a fully updated TL2010 it produces the following, obviously wrong,
> output:
>
> ά Α έ Ε ή Η ί Ι ϊ Ϊ Ϊ ό Ο ύ Υ ϋ Ϋ Ϋ ώ Ω
>
> It can be observed that all accented capitals come out unaccented, and
> the lower-case letters with accent and diairesis come out as capitals
> with diairesis (!)
>
> This seems to happen will the "new" Microsoft OpenType fonts
> (Constantia, Corbel, etc.) but not with several other fonts that I
> tested (Arial, Liberation, Droid). Under TL2009 everything works OK.
>
>
> Nikos Platis
\documentclass[a4paper,10pt]{article}
\usepackage{fontspec}
\setmainfont{Candara}
\begin{document}
ά Ά έ Έ ή Ή ί Ί ϊ Ϊ ΐ ό Ό ύ Ύ ϋ Ϋ ΰ ώ Ώ
\end{document}
greek-font-bug.pdf
Description: Adobe PDF document
-------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex
