       vared [ -c ] [ -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.
