# | Line 486 | Line 486 | register char **av; | |
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486 | ||
487 | if (!cvtndx(vi, av[0])) | |
488 | return(0); | |
489 | < | if (vi[2] >= 0) |
489 | > | if (!flatten && vi[2] >= 0) |
490 | return(1); /* has interpolated normals */ | |
491 | if (ac < 4) | |
492 | return(0); /* it's a triangle! */ |
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