babel greep and missing characters in TL2019

Norbert Preining preining at logic.at
Thu Feb 27 00:15:45 CET 2020


Dear all,

(please keep all cc)

we found that using babel greek somehow is broken in TL2019 (current
state), while in 2018 and 2017 it was working fine.

The sample document is (extracted from a dblatex document of the
Debian installation guide in Greek):

\documentclass{article}
\usepackage{fontspec}
\setmainfont{FreeSerif}
\usepackage[greek]{babel}

\begin{document}
Το κείμενο αυτό περιέχει οδηγίες για το σύστημα Debian GNU/Linux 11
για την αρχιτεκτονική  64-{}bit PC (“amd64”). Περιέχει επίσης δείκτες
σε επιπλέον πληροφορίες και πληροφορία σχετικά με το πώς να 
αξιοποιήσετε κατά τον καλύτερο δυνατό τρόπο το καινούριο σας σύστημα Debian.
\end{document}

With TL2017 and 2018, all is fine.
With TL2019 lots of characters are missing:
LaTeX Font Warning: Font shape `LGR/FreeSerif(0)/m/n' undefined
(Font)              using `LGR/cmr/m/n' instead on input line 2.

) (/home/norbert/tl/2019/texmf-dist/tex/latex/base/ts1cmr.fd) [1] (./bla.aux)

LaTeX Font Warning: Some font shapes were not available, defaults substituted.

 )


When removing the 
	\usepackager[greek]{babel}
then it works again in TL2019.

Can someone explain me what has changed, and what changes are necessary
to get these kind of documents working again?

Thanks

Norbert

--
PREINING Norbert                              https://www.preining.info
Accelia Inc. + IFMGA ProGuide + TU Wien + JAIST + TeX Live + Debian Dev
GPG: 0x860CDC13   fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13


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