[clang] Revise the modules document for clarity (PR #90237)

[Chuanqi Xu via cfe-commits]

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@@ -530,43 +527,43 @@ Now the linkage name of ``NS::foo()`` will be ``_ZN2NS3fooEv``.
 Module Initializers
 ~~~~~~~~~~~~~~~~~~~
 
-All the importable module units are required to emit an initializer function.
-The initializer function should contain calls to importing modules first and
-all the dynamic-initializers in the current module unit then.
-
-Translation units explicitly or implicitly importing named modules must call
-the initializer functions of the imported named modules within the sequence of
-the dynamic-initializers in the TU. Initializations of entities at namespace
-scope are appearance-ordered. This (recursively) extends into imported modules
-at the point of appearance of the import declaration.
+All importable module units are required to emit an initializer function. The
+initializer function emits calls to imported modules first followed by calls
+to all to dynamic initializers in the current module unit.
 
-It is allowed to omit calls to importing modules if it is known empty.
+Translation units that explicitly or implicitly import a named module must call
+the initializer functions of the imported named module within the sequence of
+the dynamic initializers in the translation unit. Initializations of entities
+at namespace scope are appearance-ordered. This (recursively) extends to
+imported modules at the point of appearance of the import declaration.
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ChuanqiXu9 wrote:

I feel it might not be related here?

https://github.com/llvm/llvm-project/pull/90237