All the lines in `localization.lean` are nearly identically available in the other files:

```bash
$ src/ring_theory/localization/*.lean | sort | comm -23 <(sort src/ring_theory/localization.lean) -
Authors: Kenny Lau, Mario Carneiro, Johan Commelin, Amelia Livingston
end
is_domain_localization (le_non_zero_divisors_of_no_zero_divisors
is_domain_of_le_non_zero_divisors K (le_refl (non_zero_divisors A))
 * `is_localization.is_integer` is a predicate stating that `x : S` is in the image of `R`
open_locale big_operators
section
variables (A K) (C : Type*)
variables (A) [unique_factorization_monoid A]
variables (K : Type*)
variables (M N)
variables (M) {S}
variables (R)
variables (R) {A : Type*} [comm_ring A] [is_domain A]
variables {R M} (S) {K : Type*}
variables {Rₘ Sₘ}
variables (S Q M)
```