Syntax fragments

Some diagrams might contain syntax fragments, which serve to break up diagrams that are too long, too complex, or too repetitious. Syntax fragment names are in mixed case and are shown in the diagram and in the heading of the fragment. The fragment is placed below the main diagram:

 >>──| Syntax fragment |───────────────────────────────────────><

Syntax fragment:
|──1ST_OPERAND──,──2ND_OPERAND──,──3RD_OPERAND──|