[clang-tools-extra] [clang-doc] Add Markdown AST node type definitions (PR #205609)

[Neil Nair via cfe-commits]

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@@ -0,0 +1,89 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "Markdown.h"
+
+namespace clang::doc::markdown {
+
+LLVM_DUMP_METHOD void InlineNode::dump() const { print(llvm::errs()); }
+
+void TextNode::print(llvm::raw_ostream &OS) const {
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Neil-N4 wrote:

Added a TODO, will use S-expression style formatting like Petr suggested

https://github.com/llvm/llvm-project/pull/205609