[luatex] Cyrillic in \directlua0

[Taco Hoekwater]

Patrick Gundlach wrote:
> Hi,
> 
> 
>> The question is: Does LuaLaTeX support cyrillic symbols inside luacode?
> 
> Yes, it should be completely transparent. This example works.
> 
> \documentclass{article}
> \usepackage{luaotfload}
> \usepackage[EU2]{fontenc}
> \usepackage{libertine}
> \begin{document}
> Здравствуй, Мир
> 
> \directlua{
> tex.print("Здравствуй, Мир")
> }
> \end{document}

Out of curiosity: this example looks like it is using a Unicode-encoded
font and 'normal' luatex input encoding (=UTF-8). Is someone able and
willing to explain what the original post was supposed to (and failed)
do?

Cheers,
Taco