[EP-tech] Normalize characters for correct sorting

[pgasinos pgs]

Is there any configuration file(s) in Eprints that someone can normalize
utf-8 characters so they are sorting correctly in non English languages?
For example the Unicode entities: Ƃ GREEK CAPITAL LETTER ALPHA WITH
TONOS and
Ƈ GREEK CAPITAL LETTER ALPHA are the same and they have to be sorted
together, not in separate lists.
The vowels are even more complicated. All below, are the same letter and
they have to be in the same list:
υ    υ  GREEK SMALL LETTER UPSILON
ύ    ύ  GREEK SMALL LETTER UPSILON WITH TONOS
ϋ    ϋ  GREEK SMALL LETTER UPSILON WITH DIALYTIKA
ΰ    ΰ  GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND TONOS

Kostas
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