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From "James Strachan" <>
Subject Re: [jelly] question
Date Wed, 22 Jan 2003 17:23:20 GMT
From: "Christian Sell" <>
> > - is interpreted by the expression language as numerical subtraction.
> >
> > e.g.
> >
> > ${foo- 12}
> does that mean that variable names have to follow naming rules similar
> to Java? (If so, the set tag should enforce them like the Java compiler
> does)

Variables don't have to be. e.g. if you want to access some illegally named
variable you could do


Though I think testing variable names (or at the very least warning users)
in tags like <j:set var=.../> seems like a good idea to me.


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