#include "lyxrow.h"
#include <vector>
+#include <map>
+
+namespace lyx {
+
+/**
+ * Each paragraph is broken up into a number of rows on the screen.
+ * This is a list of such on-screen rows, ordered from the top row
+ * downwards.
+ */
typedef std::vector<Row> RowList;
+///
+typedef std::map<size_type, size_type> RowSignature;
+
+
+} // namespace lyx
#endif