Cross Reference Program                           by: Warren A. Smith

             Thi� progra� cam� mainl� fro� Nikolau� Wirt� a� yo� wil� �
        se� i� yo� rea� th� sourc� code�  However� � hav� adde� on� majo� �
        ite� whic� � lik� ver� much� an� tha� i� � graphica� listin� o� �
        the block structuring of your program.
             Al� compoun� statement� ar� delimite� b� line� whic� ar� �
        connecte� an� neste� (i� th� statement� ar� nested)�  A� exampl� �
        might be:

                  B-------------begin
                  !             If True then
                  !  B-------------begin
                  !  !             statement;
                  !  !             statement
                  !  E-------------end
                  !             else
                  !                statement;
                  !             statement
                  E-------------end;

        This can be very helpful in a large, complex program.

             On� o� th� sid� benefit� i� i� findin� missin� EN� �
        statements�  I� yo� d� no� hav� matchin� BEGI� an� END'� yo� wil� �
        notic� tha� th� vertica� bar� trai� of� a� th� en� o� you� �
        program�  B� followin� thos� line� t� thei� matchin� BEGI� yo� �
        will have found the culprit.
            On� proble� - ther� i� n� wa� th� outpu� o� thi� progra� ca� �
        tak� a� inpu� sourc� fil� whic� ma� b� 8� column� wid� an� pu� �
        th� outpu� (wit� th� graph� a� above� o� you� termina� withou� i� �
        lookin� ver� bad�  S� � recommen� � 13� colum� printe� o� � dis� �
        fil� tha� yo� ca� sca� a� leisure� preferabl� wit� somethin� tha� �
        will not wrap the excess lines around your screen.