       vared [ -c ] [ -h ] [ -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 and 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.
