Widen the definable position of parameterizing rules #1332

Job	Run time
steep-check (head)	19s
steep-check (head)	19s
check-misc (head)	7s
check-misc (head)	7s
test-memory (head)	22s
test-memory (head)	28s
test-ruby (head, master)	5m 33s
test-ruby (head, master)	5m 33s
test-windows (head)	1m 53s
test-windows (head)	1m 53s
test-ruby (3.0, master)	5m 32s
test-ruby (3.0, master)	5m 32s
ruby-versions / Generate Ruby versions	3s
ruby-versions / Generate Ruby versions	3s
test (2.5)	26s
test (2.5)	26s
test (2.6)	24s
test (2.6)	24s
test (2.7)	25s
test (2.7)	25s
test (3.0)	13s
test (3.0)	13s
test (3.1)	12s
test (3.1)	12s
test (3.2)	14s
test (3.2)	14s
test (3.3)	12s
test (3.3)	12s
test (head)	13s
test (head)	13s
	32m 22s

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