class Reline::LineEditor

def ed_transpose_words(key) 

def ed_transpose_words(key)
ord_start, middle_start, right_word_start, after_start = Reline::Unicode.ed_transpose_words(@line, @byte_pointer)
 = @line.byteslice(0, left_word_start)
ord = @line.byteslice(left_word_start, middle_start - left_word_start)
 = @line.byteslice(middle_start, right_word_start - middle_start)
word = @line.byteslice(right_word_start, after_start - right_word_start)
= @line.byteslice(after_start, @line.bytesize - after_start)
 if left_word.empty? or right_word.empty?
= before + right_word + middle + left_word + after
ead_to_left_word = before + right_word + middle + left_word
pointer = from_head_to_left_word.bytesize
r = calculate_width(from_head_to_left_word)