[exim] Undefined variable in eval: (string expansion)

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Auteur: Toralf Lund
Datum:  
Aan: Exim Mailing List
Onderwerp: [exim] Undefined variable in eval: (string expansion)
What do I get if I do something like

${eval:$some_variable+1}

when "some_variable" is not actually defined?

- Toralf