Newbie question - how to check for a varible

[Stephen Cox]

Wait. I don't get this. You saying that checking if an unused variable is
empty returns false? Does revolution put some data in a variable when
created? 


On 5/9/09 2:44 AM, "Martin Blackman" <martinblackman at gmail.com> wrote:

> There is a gotcha to be aware of here.
> 
> Checking if a previously unused variable is empty returns false. That
> has caught me out a few times.  I wonder why the answer is false. I
> think the engine interprets the variable as a string instead, in the
> same way that 'answer hello' without quotes around hello works.
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