[tex-live] how to get info about Lua interpreter version from command line

[Philip Taylor]

Norbert Preining wrote:
> Luatex is always (till now) compiled with lua 5.2 since they use an adapter version.

"Always", Norbert ?  What about version 0.75 ?

> Version 0.75
>     Around this version, which came available end 2012 we got Lua 5.2 on board. 
>

It seems to me that JFBU is very wise in wanting to be able to test with /which/ version of Lua LuaTeX has been compiled, since it may well change again in the future.

Philip Taylor