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#### 4.2.12 GROUP Files

This format is obsolete, but is still accepted. It combined the functions of `INST` and `TLIST`, taking a series of transformations and a single Geom (`unit`) object, and replicating the object under each transformation.

         GROUP ... < matrices > ... unit { oogl-object }

is still accepted and effectively translated into

         INST
                 transforms { TLIST ... <matrices> ... }
                 unit { oogl-object }