Thorsten Froehlich <tho### [at] trfde> wrote:

> Note that this
> is actually an extension to 3.6 behavior, as it was never documented that
> relative paths would work at all, let alone walking of the directory
> structure using ../.
>
> The reason is not apparent in 3.7 because there is no code that makes use of
> this feature yet:

I found the "never documented that relative paths would work" interesting, so I
looked it up.  You are correct.

But I also found this:
http://robotics.ee.uwa.edu.au/courses/ips205/labs/povray/pov139.htm
which, talking about 3.1 Library_Path, says,
"Up to twenty unique paths may be specified. If you specify the exact same path
twice it is only counts once."
So, perhaps this path-pruning is older than 3.6?

dik

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