[clang-tools-extra] [clang-doc] [feat] add --repository-line-prefix argument (PR #131280)

[Paul Kirth via cfe-commits]

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@@ -516,15 +518,16 @@ writeFileDefinition(const Location &L,
       std::make_unique<TagNode>(HTMLTag::TAG_A, std::to_string(L.LineNumber));
   // The links to a specific line in the source code use the github /
   // googlesource notation so it won't work for all hosting pages.
-  // FIXME: we probably should have a configuration setting for line number
-  // rendering in the HTML. For example, GitHub uses #L22, while googlesource
-  // uses #22 for line numbers.
-  LocNumberNode->Attributes.emplace_back(
-      "href", (FileURL + "#" + std::to_string(L.LineNumber)).str());
+  std::string LineAnchor =
+      formatv("#{0}{1}", RepositoryLinePrefix, L.LineNumber);
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ilovepi wrote:

Why use an `std::string` here and then concatenate below? wouldn't it be easier to simply use `formatv` for the whole thing below?

https://github.com/llvm/llvm-project/pull/131280