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--- 2009-11-06 Release 7.16.2 ---
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* continued expansion of the initial step-g importer - Keith Bowman
* added manual page documentation for pix-ppm command - Sean Morrison
* added -o file output option to pix-png and pix-ppm - Sean Morrison
* improved NURBS geometry raytracing support - Keith Bowman
* improved mged 'opendb' prompting - Sean Morrison, Jack Devanney
* renamed [diu]stat tools to dstats/istats/ustats - Sean Morrison
* improved obj-g ignoring textures and surface normals - Keith Bowman
* added -n export surface normals option to bot_dump - Keith Bowman
* new archer plugin for displaying groups of attributes - Bob Parker
* added -R non-recursive option to mged 'keep' command - Sean Morrison
* fix crash of 'attach ogl' commands on OSX - Cliff Yapp
* added an mged menu option to change display managers - Cliff Yapp
* utilize new raytracing on old bspline/nurbs geometry - Sean Morrison
