Long arithmetic...?

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Long arithmetic...?

It seems that a Velocity #set directive fails when the RHS involves any
arithmetic operation with long integers.

Specifically, I just wanted to determine the difference between two
dates, thus:

#set ($age = $xwiki.currentDate.time -

I confirmed that I got credible results from both of the operands by
printing them, and I could assign either of them to another variable
name, but setting $age to the result of any arithmetic operation with
any of them always gave "$age" as the formatted result.

This shouldn't be this hard, should it?


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