[clang] [clang-format] Add new option: WrapNamespaceBodyWithNewlines (PR #106145)

[Björn Schäpers via cfe-commits]

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@@ -1493,6 +1511,18 @@ static auto computeNewlines(const AnnotatedLine &Line,
     Newlines = 1;
   }
 
+  // Insert empty line after "{" that opens namespace scope
+  if (Style.WrapNamespaceBodyWithNewlines &&
+      LineStartsNamespaceScope(&Line, PreviousLine, PrevPrevLine)) {
+    Newlines = 2;
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HazardyKnusperkeks wrote:

How does this play with `MaxEmptyLinesToKeep `?

https://github.com/llvm/llvm-project/pull/106145