# [luatex] Luatex primitive names

Hans Hagen pragma at wxs.nl
Tue Mar 10 11:09:14 CET 2009

```Ulrike Fischer wrote:
> Am Tue, 10 Mar 2009 09:13:40 +0100 schrieb Taco Hoekwater:
>
>>> Btw, extra care should be taken while writing code that should be portable:
>>> - across different version of LuaTeX
>>> - across different TeX engines.
>> For that, I assume it would be better if luatex exposed \luatexversion
>> by default also? Fine by me, just make up your collective mind and let
>> me know if that makes more sense.
>
> I think that \luatexversion should be enabled by default.

for a short while we considered it but it contradicts the fact that we
want to start up as tex82 and settled on only \directlua

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