"nemesis" <nam### [at] gmailcom> wrote:
> Today, when I #include a file, its declarations may conflict with previous
> ones.  When such a thing happens, povray should *warn* the user and suggest
> using an alias for the included file and access its contents via the alias.
>

My worry would be about files that are expecting to see a global variable by
one name and get the prefixed version instead.  It seems like the scope of
#as would have to cover any files that the #included file depends on.

Charles

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