onRemoveEditable  
  fun onRemoveEditable(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (renderer: CellRenderer, editable: CellEditable) -> Unit): <Error class: unknown class>(source)
Indicates that editing finished on @renderer and that @editable should be removed from the owning cell-layouting widget.
Parameters
connectFlags 
a combination of ConnectFlags
handler
the Callback to connect. Params: renderer the GtkCellRenderer that finished editeding; editable the GtkCellEditable widget to remove