babel greep and missing characters in TL2019

[Norbert Preining]

Hi David,

> \expandafter\def\csname ver at tuenc.def\endcsname{}
> \usepackage[greek]{babel}
> \expandafter\let\csname ver at tuenc.def\endcsname\relax

Is the final un-define necessary?

Reason: these are generated documents (dblatex docbook xml) and
injecting code into arbitrary locations is not trivial. I can do the 
first def easily, but the undef is a bit painful.

Best

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