			WAS/IS CHECK
Checks the 'was' and the 'is' columns of a was/is listing for any
repeated reference designators.  Creates a report listing any
errors discovered.

INPUT FILENAME
Either:
1) Select the default input filename by pressing <ENTER>.
2) Enter the desired input filename at the blinking cursor and
   and press <ENTER>.
3) Enter a search pattern (example: *.net) and press <ENTER>.  
   Continue to step 4.
4) Use the up and down arrows to select the desired input  
   filename and press <ENTER>.

OUTPUT REPORT
Either:
1) Select the default output report filename by pressing <ENTER>.
2) Enter the desired output report filename at the cursor and 
   press <ENTER>.


Note: The was/is file must be of the following format:

R1	R3
U3	U8
C3	C5
etc.
