The BNF (Backus-Naur form) used in this annex uses `<´ and `>´ to mark symbols, `[´ and `]´ to identify optional paths and `|´ to identify alternatives. If the ‘(‘ and ‘)’ symbols are used, it indicates sets.
The BNF (Backus-Naur form) used in this annex uses `<´ and `>´ to mark symbols, `[´ and `]´ to identify optional paths and `|´ to identify alternatives. If the ‘(‘ and ‘)’ symbols are used, it indicates sets.