diff --git a/src/support/LaTeXStream.h b/src/support/LaTeXStream.h
new file mode 100644
index 0000000000..bdd32fc877
--- /dev/null
+++ b/src/support/LaTeXStream.h
@@ -0,0 +1,23 @@
+#ifndef LATEXSTREAM_H
+#define LATEXSTREAM_H
+
+#include <iostream>
+#include <streambuf>
+
+namespace lyx {
+
+class LaTeXStreamBuffer;
+
+class LaTeXStream : public std::ostream
+{
+public:
+  LaTeXStream(std::streambuf * sbuf);
+  ~LaTeXStream();
+	int line() const;
+private:
+	LaTeXStreamBuffer * sbuf_;
+};
+
+} // namespace lyx
+
+#endif