vared [ -ch ] [ -p prompt ] [ -r rprompt ] name
       The  value of the parameter name is loaded into the
       edit buffer, and the line editor is invoked.   When
       the  editor  exits, name is set to the string value

       returned by the editor.  If the -c flag  is  given,
       the  parameter  is  created  if  it doesn't already
       exist.  If the -p  flag  is  given,  the  following
       string  will  be  taken as the prompt to display at
       the left.  If the -r flag is given,  the  following
       string  gives  the  prompt to display at the right.
       If the -h flag is specified,  the  history  can  be
       accessed from ZLE.
