class Reline::LineEditor

def em_kill_region(key)

def em_kill_region(key)
te_pointer > 0
_size, width = Reline::Unicode.em_big_backward_word(@line, @byte_pointer)
e, deleted = byteslice!(@line, @byte_pointer - byte_size, byte_size)
e_pointer -= byte_size
sor -= width
sor_max -= width
l_ring.append(deleted, true)