Modify the SDD of Fig. 5.25 to include a synthesized attribute B.le, the length of a box. The length of the concatenation of two boxes is the sum of the lengths of each. Then add your new rules to the...

Modify the SDD of Fig. 5.25 to include a synthesized attribute B.le, the length of a box. The length of the concatenation of two boxes is the sum of the lengths of each. Then add your new rules to the proper positions in the SDT of Fig. 5.26.

Fig. 5.25

Fig. 5.26