#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
*/
typedef std::vector<Row> RowList;
///
-typedef std::map<lyx::size_type, lyx::size_type> RowSignature;
+typedef std::vector<size_type> RowSignature;
+
+
+} // namespace lyx
#endif