To improve readability, arithmetic, bit, and hexadecimal constants can use the break character ( _ ).
| '1100_1010'B | is the same as | '11001010'B |
| 1100_1010B | is the same as | 11001010B |
| 'C_A'B4 | is the same as | 'ca'b4 |
| 'C_A'XN | is the same as | 'ca'XN |
| 16_777_216 | is the same as | 16777216 |