after-select

This method is called after a snip in the pasteboard is selected or deselected. See also on-select.

See also can-select? and on-edit-sequence.

No internals locks are set when this method is called.

• (send a-pasteboard after-select snip on?) -> void
      snip : snip% object
      on? : boolean

  If on? is #t, then snip was just selected, otherwise snip was just deselected.