- {s1.left = MAX(s1.left, s2.left); s1.right = MAX(s1.right, s2.right); \
- s1.top = MAX(s1.top, s2.top); s1.bottom = MAX(s1.bottom, s2.bottom); }
+ {s1.left = MAX(s1.left, s2.left); s1.right = MAX(s1.right, s2.right); \
+ s1.top = MAX(s1.top, s2.top); s1.bottom = MAX(s1.bottom, s2.bottom); }