I've noticed that many new primitives added and suggested for the povray
source, invent new reserved words for their arguments.  For example:

lparse {
    orientation_fwd y
    orientation_right x

    (... more stuff ...)
    }

Is it not possible to recycle existing words like (for this example)
"forward" and "right" ?

Are these extisting words bound to their meanings as applied to camera?

(This was my first post to povray.programming)

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