get-inset

Gets the current border insets for the snip. The inset sets how much space is left between the edge of the snip and the border.

• (send an-editor-snip get-inset l t r b) -> void
      l : boxed exact non-negative integer
      t : boxed exact non-negative integer
      r : boxed exact non-negative integer
      b : boxed exact non-negative integer

  The l box is filled with left inset. The t box is filled with top inset. The r box is filled with right inset. The b box is filled with bottom inset.