new file mode 100644
--- /dev/null
+++ b/src/ov-str-mat.h
@@ -0,0 +1,131 @@
+/*
+
+Copyright (C) 1996 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if !defined (octave_char_matrix_str_h)
+#define octave_char_matrix_str_h 1
+
+#if defined (__GNUG__)
+#pragma interface
+#endif
+
+#include <cstdlib>
+
+#include <string>
+
+class ostream;
+
+#include "mx-base.h"
+#include "str-vec.h"
+
+#include "error.h"
+#include "ov-ch-mat.h"
+#include "ov-typeinfo.h"
+
+class Octave_map;
+class octave_value_list;
+
+class tree_walker;
+
+// Real scalar values.
+
+class
+octave_char_matrix_str : public octave_char_matrix
+{
+public:
+
+  octave_char_matrix_str (void)
+    : octave_char_matrix () { }
+
+  octave_char_matrix_str (const charMatrix& chm)
+    : octave_char_matrix (chm) { }
+
+  octave_char_matrix_str (const char *s)
+    : octave_char_matrix (s) { }
+
+  octave_char_matrix_str (const string& s)
+    : octave_char_matrix (s) { }
+
+  octave_char_matrix_str (const string_vector& s)
+    : octave_char_matrix (s) { }
+
+  octave_char_matrix_str (const octave_char_matrix& chm)
+    : octave_char_matrix (chm) { }
+
+  octave_char_matrix_str (const octave_char_matrix_str& chms)
+    : octave_char_matrix (chms) { }
+
+  ~octave_char_matrix_str (void) { }
+
+  octave_value *clone (void) { return new octave_char_matrix_str (*this); }
+
+#if 0
+  void *operator new (size_t size);
+  void operator delete (void *p, size_t size);
+#endif
+
+  numeric_conv_fcn numeric_conversion_function (void) const;
+
+  octave_value all (void) const;
+  octave_value any (void) const;
+
+  bool is_string (void) const { return true; }
+
+  bool is_real_type (void) const { return true; }
+
+  bool valid_as_scalar_index (void) const;
+  bool valid_as_zero_index (void) const;
+
+  bool is_true (void) const;
+
+  Matrix matrix_value (bool = false) const;
+
+  charMatrix char_matrix_value (bool = false) const { return matrix; }
+
+  charMatrix all_strings (void) const;
+
+  string string_value (void) const;
+
+  void print (ostream& os);
+
+  int type_id (void) const { return t_id; }
+
+  string type_name (void) const { return t_name; }
+
+  static int static_type_id (void) { return t_id; }
+
+  static void register_type (void)
+    { t_id = octave_value_typeinfo::register_type (t_name); }
+
+private:
+
+  static int t_id;
+
+  static const string t_name;
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/