#¨¨##¨¨¨¨¨                                          ##¨###¨¨¨¨
¨#¨###¨¨¨¨                                          ##¨#¨##¨¨¨
¨¨¨#¨##¨¨¨                                          ##¨¨¨###¨¨
¨¨¨¨¨###¨¨                                          ###¨¨#¨##¨
¨¨¨¨¨#¨##¨                                          #¨##¨¨¨###
#¨¨¨¨¨¨###                                     ¨    ¨¨###¨¨#¨#
##¨¨¨¨¨#¨#                                        ¨ ¨¨#¨##¨¨¨#
¨##¨¨¨¨¨¨#                                    ¨ ,¨  ¨¨¨¨###¨¨#
¨###¨¨¨¨¨# gull call.                    ¨      ¨ , #¨¨¨#¨##¨¨
¨#¨##¨¨¨¨¨ ======================================== ##¨¨¨¨###¨
¨¨¨###¨¨¨¨                                          ###¨¨¨#¨##
#¨¨#¨##¨¨¨ the  seagull  is a  metaphysics trick; a #¨##¨¨¨¨##
##¨¨¨###¨¨ world-builder's  shortcut,  to  define a ¨¨###¨¨¨#¨
###¨¨#¨##¨ section of reality  and imply  its size: ¨¨#¨##¨¨¨¨
#¨##¨¨¨### place a flock of birds  at  the edge and ¨¨¨¨###¨¨¨
¨¨###¨¨#¨# make  their  calls  tesselate  over  the ¨¨¨¨#¨##¨¨
¨¨#¨##¨¨¨# entire volume                            ¨¨¨¨¨¨###¨
¨¨¨¨###¨¨#                                          ¨¨¨¨¨¨#¨##
#¨¨¨#¨##¨¨ a seagull  can be  defined  by as little ¨¨¨¨¨¨¨¨##
##¨¨¨¨###¨ as  five  vertices;  six  triangles.  (i ¨¨¨¨¨¨¨¨#¨
###¨¨¨#¨## would recommend  handling  in swarms  of #¨¨¨¨¨¨¨¨¨
#¨##¨¨¨¨## at least a dozen birds.)                 ¨#¨¨¨¨¨¨¨¨
¨¨###¨¨¨#¨                                          ¨¨#¨¨¨¨¨¨¨
¨¨#¨##¨¨¨¨                                          ¨¨¨#¨¨¨¨¨¨
¨¨¨¨###¨¨¨                                          ¨¨¨¨#¨¨¨¨¨
¨¨¨¨#¨##¨¨                                          #¨¨¨¨#¨¨¨¨
¨¨¨¨¨¨###¨                                          ¨#¨¨¨¨#¨¨¨