[luatex] Luatex primitive names

[Hartmut Henkel]

On Wed, 11 Mar 2009, Heiko Oberdiek wrote:

> On Wed, Mar 11, 2009 at 11:00:52AM +0100, Hans Hagen wrote:
> > Heiko Oberdiek wrote:
>
> My concern is the definition of \IfVersionIsTooOld. How it can be done
> in a *robust* and *reliable* way? \luatexversion seems the easiest way
> with lowest costs.

one could probably add something like this to the greeting text:

This is LuaTeX, Version snapshot-0.36.0-2009031100 (Web2C 7.5.7)
Beware: this version is outdated, please upgrade.
**

Regards, Hartmut
:-)