clipka <ano### [at] anonymousorg> wrote:
> Some fun(?) fact to know:
>
> If, in an include file or macro, you use #declare with an identifier
> that already happens to exist at a non-global scope, you will NOT change
> the corresponding global variable, but the most local variable of that name.
>
> Expected that? I didn't.

http://wiki.povray.org/content/Reference:Declare_and_Local_Directives#Identifier_Name_Collisions

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