SPITBOL and BLOCKS extensions control operator definitions are orthogonal and can be controlled separately.
| Char | Defn. | Assoc. | Enabled |
| = | assignment | RIGHT | w/ SPITBOL |
| ? | pattern match | LEFT | w/ SPITBOL |
| & | definable | LEFT | |
| | | alternation | LEFT | |
| # | normal concat | LEFT | w/ BLOCKS |
| % | vertical concat | LEFT | w/ BLOCKS |
| sp | concatenation | LEFT | |
| @ | definable | LEFT | |
| -+ | subtract, add | LEFT | |
| # | definable | LEFT | w/o BLOCKS |
| * | multiplication | LEFT | |
| % | definable | LEFT | w/o BLOCKS |
| ? | definable | LEFT | w/o SPITBOL |
| / | division | LEFT | |
| ^ | exponentiation | RIGHT | |
| $. | match naming | LEFT | |
| ~ | definable | RIGHT |