--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/3rdparty/maddy/breaklineparser.h	Tue Aug 17 11:19:54 2021 +0200
@@ -0,0 +1,51 @@
+/*
+ * This project is licensed under the MIT license. For more information see the
+ * LICENSE file.
+ */
+#pragma once
+
+// -----------------------------------------------------------------------------
+
+#include <string>
+#include <regex>
+
+#include "maddy/lineparser.h"
+
+// -----------------------------------------------------------------------------
+
+namespace maddy {
+
+// -----------------------------------------------------------------------------
+
+/**
+ * BreakLineParser
+ *
+ * @class
+ */
+class BreakLineParser : public LineParser
+{
+public:
+  /**
+   * Parse
+   *
+   * From Markdown: `text\r\n text`
+   *
+   * To HTML: `text<br> text`
+   *
+   * @method
+   * @param {std::string&} line The line to interpret
+   * @return {void}
+   */
+  void
+  Parse(std::string& line) override
+  {
+    static std::regex re(R"((\r\n|\r))");
+    static std::string replacement = "<br>";
+
+    line = std::regex_replace(line, re, replacement);
+  }
+}; // class BreakLineParser
+
+// -----------------------------------------------------------------------------
+
+} // namespace maddy