class Reline::LineEditor

def ed_delete_prev_char(key, arg: 1)

def ed_delete_prev_char(key, arg: 1)
d = ''
mes do
cursor > 0
te_size = Reline::Unicode.get_prev_mbchar_size(@line, @byte_pointer)
yte_pointer -= byte_size
ine, mbchar = byteslice!(@line, @byte_pointer, byte_size)
leted.prepend(mbchar)
dth = Reline::Unicode.get_mbchar_width(mbchar)
ursor -= width
ursor_max -= width
or_vi(deleted)