(artist-key-endpoint1, artist-key-poly-point-list)
(artist-key-shape, artist-key-draw-how, artist-popup-menu-table)
(artist-key-compl-table, artist-rb-save-data)
(artist-arrow-point-1, artist-arrow-point-2): Move defvars up.
Don't put them in eval-when-compile.
(artist-set-arrow-points-for-poly): Use `last', not `artist-last'.