[luatex] Luatex primitive names

[Robin Fairbairns]

Hartmut Henkel <hartmut_henkel at gmx.de> wrote:

> 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 Beware: this version is outdated, please upgrade.
> **

what's more, i actually started to consider how one might do this.

then i noticed:

> :-)

a rotten trick to play :-}

robin