Calling reference

From GECK

Some functions may be called on a reference, and apply their procedure to them. Beware that a ref variable does not necessarily store a reference- in the GECK it may also store a base form. For example:

ref MyRefVar
set MyRefVar to WeapNV9mmPistol ; Base form!

if MyRefVar.IsQuestItem ; !INVALID for base forms!
..
if IsQuestItem MyRefVar ; Valid for base forms
..
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