diff --git a/parsermarkdown.cpp b/parsermarkdown.cpp
index 407a8b5..760167a 100644
--- a/parsermarkdown.cpp
+++ b/parsermarkdown.cpp
@@ -59,3 +59,13 @@ std::string ParserMarkdown::parse(const PageDao &pagedao, UrlProvider &provider,
 	std::string result = maddy->Parse(s);
 	return result;
 }
+
+std::string ParserMarkdown::extractCommand(std::string cmdname, std::string content) const
+{
+	return "";
+}
+
+std::vector<std::string> ParserMarkdown::extractCategories(std::string content) const
+{
+	return { };
+}
diff --git a/parsermarkdown.h b/parsermarkdown.h
index d84548b..3b1a2a5 100644
--- a/parsermarkdown.h
+++ b/parsermarkdown.h
@@ -1,9 +1,10 @@
 #ifndef PARSER_MARKDOWN_H
 #define PARSER_MARKDOWN_H
 
-#include "parserlegacy.h"
+#include "iparser.h"
 #include "maddy/parser.h"
-class ParserMarkdown : public ParserLegacy
+
+class ParserMarkdown : public IParser
 {
 private:
 	std::string processLink(const PageDao &pageDao, UrlProvider &urlProvider, std::smatch &match) const;
@@ -12,6 +13,9 @@ public:
 	ParserMarkdown();
 	std::vector<Headline> extractHeadlines(std::string content) const;
 	std::string parse(const PageDao &pagedao, UrlProvider &provider, std::string content) const;
+
+	std::string extractCommand(std::string cmdname, std::string content) const;
+	std::vector<std::string> extractCategories(std::string content) const;
 };
 
 #endif // PARSER_MARKDOWN_H