[clang-tools-extra] [clang-tidy] Extend readability-redundant-parentheses to declarations (PR #196739)

[Yanzuo Liu via cfe-commits]

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@@ -40,3 +40,9 @@ Options
   Some STL library functions may have the same name as widely used function-like
   macro. For example, ``std::max`` and ``max`` macro. A workaround to distinguish
   them is adding parentheses around functions to prevent function-like macro.
+
+The check diagnoses redundant parentheses in declarations and keeps earlier changes as it is
+.. code-block:: c++
+
+  int (x);             // becomes int x;
+  void f(int (arg));   // becomes void f(int arg);
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zwuis wrote:

Add a new line at EOF.

https://github.com/llvm/llvm-project/pull/196739