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% Test Babel's "ini" file for Greek
% © 2023 Günter Milde
% Setup for Greek with localisation from the "ini" files.
\newcommand{\SETUP}{
\ifdefined\UnicodeEncodingName % set by XeTeX/LuaTeX
\else % 8-bit TeX
\usepackage{lmodern}
\usepackage[LGR,T1]{fontenc}
% \usepackage{textalpha}
\ProvideTextCommandDefault{\greekscript}{\fontencoding{LGR}\selectfont
\def\encodingdefault{\greekfontencoding}}
\ProvideTextCommandDefault{\ensuregreek}[1]{\leavevmode{\greekscript ##1}}
% Babel <= (3.84) misses the automatic font encoding switch to LGR
% \addto\extrasgreek{\greekscript}
% \addto\noextrasgreek{\latintext}
\fi
\usepackage[greek, english, provide*=*]{babel}
\ifdefined\UnicodeEncodingName % set by XeTeX/LuaTeX
\babelfont{rm}[Scale=0.92]{DejaVu Serif}
% The "ini" Greek setup does not load extended Greek definitions for TU.
% Load textalpha or provide dummy definitions:
% \usepackage{textalpha}
\ProvideTextCommand{\ensuregreek}{TU}[1]{##1}
\ProvideTextCommand{\greekscript}{TU}{}
\ProvideTextCommand{\textalpha}{TU}{\cs{textalpha}}
\ProvideTextCommand{\textOmega}{TU}{\cs{textOmega}}
\fi
\usepackage{hyperref}
\hypersetup{unicode, colorlinks=true,linkcolor=blue,urlcolor=blue}
% fallbacks for commands defined in babel-greek:
\providecommand*\greekfontencoding{None}
% \providecommand*\lgrfont[1]{\cs{lgrfont} \emph{missing}}
\ProvideTextCommandDefault{\textampersand}{\&}
\providecommand*\greeknumeral[1]{\{##1\}}
}
\newcommand{\SETUPDOC}{%
This test uses Babel's built-in Greek support (``ini'' file,
cf. \href{https://latex3.github.io/babel/guides/locale-greek.html}
{Babel guides ``Greek''}).
The following problems can be easily fixed by loading the \emph{textalpha}
package.
\begin{itemize}
\item Accents not dropped with old (pre 2022/06) \cs{MakeUppercase}.
\item Greek LICR macros unknown in TU.
\end{itemize}
The new 2023/02/10 \cs{MakeUppercase} code fixes the UPPERCASE of Greek
Unicode literals (including a fix for the ``hiatus'' problem).
}
\input{test-greek.tex}
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