g/registry/specs/EXT/wgl_pbuffer.txt">EXT_pbuffer</a></td></tr>
<tr><td class="num">30</td><td>&nbsp;</td><td><a href="http://www.opengl.org/registry/specs/EXT/wgl_pixel_format.txt">EXT_pixel_format</a></td></tr>
<tr><td class="num">31</td><td>&nbsp;</td><td><a href="http://developer.download.nvidia.com/opengl/specs/GL_EXT_packed_float.txt">EXT_pixel_format_packed_float</a></td></tr>
<tr><td class="num">32</td><td>&nbsp;</td><td><a href="http://www.opengl.org/registry/specs/EXT/wgl_swap_control.txt">EXT_