support for fraktur font in mathed

[features.git] / src / mathed / math_data.h

diff --git a/src/mathed/math_data.h b/src/mathed/math_data.h
index b537e51d700dfb531211e47b494a3e08db036886..86b8125eda72eb97fb06bf904ad49fbeaae3d9a6 100644 (file)
--- a/src/mathed/math_data.h
+++ b/src/mathed/math_data.h
@@ -16,6 +16,7 @@
 #ifndef MATH_DATA_H
 #define MATH_DATA_H
 
+#include <iosfwd>
 #include <vector>
 
 #include "math_atom.h"
@@ -132,4 +133,8 @@ private:
        buffer_type bf_;
 };
 
+///
+std::ostream & operator<<(std::ostream & os, MathArray const & ar);
+
+
 #endif