The plus sign selects, in ranges, a single line that is a specified
 number of lines after a specified line.

 Format: [range] + [n]

 Range is a single line range, and n is an integer.  The line selected is
 the line that is n lines after the line specified by range.  If you omit
 range, the current line is used.  If you omit n, 1 is used.

 Ex: TYPE 15 + 3     Display the third line after the line numbered 15.

     TYPE BEGIN +1   Display the second line in the buffer.

     TYPE +          Display the line following the current line.

     TYPE 'string'+2 Display the second line following the next line
                     continaing 'string'.