variables and scope

in gerH builds, variables have scope. this means you can't use a
variable you have defined where you want it; you have to send it
there.

thus, you need one of two things; either a keyword that labels the
variable as global, or the ability to send more than one variable to a
function call.

are any of these two things possible in gerH?

and a more general question: where do i find comprehensive (and
up-to-date) documentation for gerH builds?

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