[xep-support] Problem with greek characters in chapter titles using some fonts

[Nikolai Grigoriev]

Marc,

> I experience problems with greek characters in chapter
> titles. Depending on the font I use, these are fine,
> do not appear at all, or show an empty box.
> 
> In the chapter body, the greek characters are fine.
> 
> To be more specific:
> 
> Font                 Greek Characters
> Palatino (TTF)       fine

Palatino covers Greek alphabet.

> Helvetica (afm)      nothing/empty

The built-in Helvetica font covers only Adobe ExtendedRoman 
charset - that is, a superposition of WinAnsi and MacRoman.
There is a single Greek character there (mu, used as a micro
sign). You can find lists of characters covered by the base
fonts in examples/charsets/ directory in your XEP distribution.

> BookAntiqua (TTF)    empty boxes

Same as above. Most probably, there are no Greek characters
in the font. Please check font composition. To see the repertory
of glyphs covered by a font, you can run the following class
from XEP's jar:

java  ... com.renderx.fonts.AFM <font_file_name>

It will list all Unicode codepoints that XEP can discern
in your font.
 
Best regards,
Nikolai Grigoriev
RenderX
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