The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/13/sql-createfunction.html Description:
| IMMUTABLE | STABLE | VOLATILE | [ NOT ] LEAKPROOF [ NOT ] LEAKPROOF is accepting separately , So why you written [ NOT ] LEAKPROOF with | IMMUTABLE | STABLE | VOLATILE | Please separate the [ NOT ] LEAKPROOF from the OR list Note: Your documentation must be correct
