The same comment was copied to a few different places, with the same typo.
Backpatch down to v11, where this typo was introduced.
DROP TABLE quuux;
-- check validation when attaching hash partitions
-- Use hand-rolled hash functions and operator class to get predictable result
--- on different matchines. part_test_int4_ops is defined in insert.sql.
+-- on different machines. part_test_int4_ops is defined in insert.sql.
-- check that the new partition won't overlap with an existing partition
CREATE TABLE hash_parted (
a int,
-- Hash partitioning.
--
-- Use hand-rolled hash functions and operator classes to get predictable
--- result on different matchines. See the definitions of
+-- result on different machines. See the definitions of
-- part_part_test_int4_ops and part_test_text_ops in insert.sql.
CREATE TABLE mchash (a int, b text, c jsonb)
PARTITION BY HASH (a part_test_int4_ops, b part_test_text_ops);
-- direct partition inserts should check hash partition bound constraint
-- Use hand-rolled hash functions and operator classes to get predictable
--- result on different matchines. The hash function for int4 simply returns
+-- result on different machines. The hash function for int4 simply returns
-- the sum of the values passed to it and the one for text returns the length
-- of the non-empty string value passed to it or 0.
create or replace function part_hashint4_noop(value int4, seed int8)
-- Test Partition pruning for HASH partitioning
--
-- Use hand-rolled hash functions and operator classes to get predictable
--- result on different matchines. See the definitions of
+-- result on different machines. See the definitions of
-- part_part_test_int4_ops and part_test_text_ops in insert.sql.
--
create table hp (a int, b text) partition by hash (a part_test_int4_ops, b part_test_text_ops);
-- check validation when attaching hash partitions
-- Use hand-rolled hash functions and operator class to get predictable result
--- on different matchines. part_test_int4_ops is defined in insert.sql.
+-- on different machines. part_test_int4_ops is defined in insert.sql.
-- check that the new partition won't overlap with an existing partition
CREATE TABLE hash_parted (
--
-- Use hand-rolled hash functions and operator classes to get predictable
--- result on different matchines. See the definitions of
+-- result on different machines. See the definitions of
-- part_part_test_int4_ops and part_test_text_ops in insert.sql.
CREATE TABLE mchash (a int, b text, c jsonb)
-- direct partition inserts should check hash partition bound constraint
-- Use hand-rolled hash functions and operator classes to get predictable
--- result on different matchines. The hash function for int4 simply returns
+-- result on different machines. The hash function for int4 simply returns
-- the sum of the values passed to it and the one for text returns the length
-- of the non-empty string value passed to it or 0.
-- Test Partition pruning for HASH partitioning
--
-- Use hand-rolled hash functions and operator classes to get predictable
--- result on different matchines. See the definitions of
+-- result on different machines. See the definitions of
-- part_part_test_int4_ops and part_test_text_ops in insert.sql.
--