When VPP cli configuring multi line content, then continuously input '\b', or press' backspace '/' backspace 'continuously, the CLI cursor can only go back to the left of the line and cannot return to the last line. How can this problem be solved?
Example： first: VPP# aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaa then input 'backspace' , can only be deleted last seven 'a' VPP# aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
