I am writing my PhD thesis and create a list of symbols with glossaries and xindy. Here, latin and greek letters are used. The problem is the correct sorting with xindy. If I use english for sorting, all greek letters are put in the first group (I assume default) and the latin letters are sorted fine. If I set the language to greek, the latin letters are in the default group and the greek is sorted fine.
The problem now is, that the default group is sorted according to ascii code (I assume the greek is sorted by unicode?) and not alphabetically. This results in a sorting of A-Z and then a-z, instead of AaBb and so on, same for the default greek sorting, Α-Ω and then α-ω.
The image below shows both variants, with greek sorting on the left and latin sorting on the right.
I know there is the possibility to set the sorting keys manually, but then there is still no group skip between for the different letters.
Is there a way to combine the sortings for latin and greek, so that the latin characters appear first and then the greek, both in alphabetical order? I am also fine with two lists of symbols, one for latin and one for greek, but this requires two different xindy languages, which I yet did not figure out.
Cheers Niklas
MWE:
\documentclass{scrartcl}
\usepackage{libertinus-otf} % to show unicode symbols
%Greek:
\usepackage[xindy={language={greek}}, symbols,toc=false,nopostdot,nomain]{glossaries} % indices
\GlsSetXdyFirstLetterAfterDigits{Α}%% This is capital αlpha
%GreekEnd
%English
%\usepackage[xindy, symbols,toc=false,nopostdot,nomain]{glossaries} % indices
%EnglishEnd
\makeglossaries
\newglossaryentry{sym:A1}{type = symbols, name = Ψ, description = {test}}
\newglossaryentry{sym:a1}{type = symbols, name = ψ, description = {test}}
\newglossaryentry{sym:B1}{type = symbols, name = Δ, description = {test}}
\newglossaryentry{sym:b1}{type = symbols, name = δ, description = {test}}
\newglossaryentry{sym:A2}{type = symbols, name = A, description = {test}}
\newglossaryentry{sym:a2}{type = symbols, name = a, description = {test}}
\newglossaryentry{sym:B2}{type = symbols, name = B, description = {test}}
\newglossaryentry{sym:b2}{type = symbols, name = b, description = {test}}
\begin{document}
\printglossary
\glsaddall
\end{document}
Possible dublicate or similar questions, but this refers to greek letters sorted in between latin letters and subentries: Strange sorting of Greek letters using glossaries with xindy
