"Warp" <war### [at] tagpovrayorg> wrote in message news:3e1eee8e@news.povray.org...

>   This should not happen implicitly.
>   A subobject can perfectly have no normal specification (you don't want
> any normal modifications for it) and you want it to stay that way in the
> CSG as well, even though the overall texture for the CSG could have a
> normal specification.

This indeed was the problem I forsee with my proposal - IMHO though, it is more
common to want to apply a default texture than the reverse (well, if the word
'default' means anything;).

Perhaps an empty block when you don't want the default?

e.g.

texture{normal{}} // will receive default pigment and finish if specified, but
not normal


>   If anything, this functionality should be behind a keyword or something.

<snip>

Yeh, but by the time you've added a keyword, you've lost the (shorter) coding
advantage....

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