Apostolos,
> preface = \textPi \textrho\acctonos \textomicron\textlambda
\textomicron\textgamma
>
> XeLaTeX is Unicode aware and can handle Unicode strings. Therefore, I
fail to see
> why you are doing things this way. The LGR font encoding is an ancient
hack that
> has no usage anymore.
Of course, in Unicode engines the default captions section
apply, not the captions.licr subsection.
Javier
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