WinPOV RC3, K6, WinNT4

I got a crash when trying to read vectors from a file using '#read'.  The
following probably sounds quite weird, but i tried to reduce the file as
much as possible after experiencing the problem.

To reproduce, write the following to a file named 'bug.dat':

<0,0,0.5> ,<-1.#IND,-1.#IND,1.#IND>

Of course these are invalid values, but POV-Ray should not crash because
of them.

Then render the following scene 2 times:

#include "math.inc" 
  
#fopen File "bug.dat" read
#read (File,V1,V2)
#fclose File  

After the first render i get an error as expected, but the second render
crashes povray at the beginning of parsing.

The #include seems required to generate the crash.

Christoph

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