[luatex] LuaTeX version number

[Reinhard Kotucha]

Hi,

  print('LuaTeX '..tex.luatexversion..'.'..tex.luatexrevision)

yields

  LuaTeX 71.0

But how do I get the major version number?  I didn't find anything
appropriate.

Regards,
  Reinhard

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Reinhard Kotucha                                      Phone: +49-511-3373112
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