if Selection1.line then Text.delete_selection() end

    byte_offset = utf8.offset(Lines[Cursor1.line].data, Cursor1.pos-1)

    byte_offset = utf8.offset(Lines[Cursor1.line].data, Cursor1.pos)

    byte_offset = 0

    byte_offset = 1

  Lines[Cursor1.line].data = string.sub(Lines[Cursor1.line].data, 1, byte_offset)..t..string.sub(Lines[Cursor1.line].data, byte_offset+1)

  Lines[Cursor1.line].data = string.sub(Lines[Cursor1.line].data, 1, byte_offset-1)..t..string.sub(Lines[Cursor1.line].data, byte_offset)