new file mode 100644
--- /dev/null
+++ b/liboctave/lo-array-gripes.h
@@ -0,0 +1,74 @@
+/*
+
+Copyright (C) 2000, 2003, 2004, 2005, 2006, 2007, 2008 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 3 of the License, 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, see
+<http://www.gnu.org/licenses/>.
+
+*/
+
+#if !defined (octave_liboctave_array_gripes_h)
+#define octave_liboctave_array_gripes_h 1
+
+#include "dim-vector.h"
+
+extern OCTAVE_API const char *error_id_nonconformant_args;
+
+extern OCTAVE_API const char *error_id_index_out_of_bounds;
+
+extern OCTAVE_API const char *error_id_invalid_index;
+
+extern void OCTAVE_API
+gripe_nan_to_logical_conversion (void);
+
+extern void OCTAVE_API
+gripe_nan_to_character_conversion (void);
+
+extern void OCTAVE_API
+gripe_nonconformant (const char *op,
+                     octave_idx_type op1_len, octave_idx_type op2_len);
+
+extern void OCTAVE_API
+gripe_nonconformant (const char *op,
+                     octave_idx_type op1_nr, octave_idx_type op1_nc,
+                     octave_idx_type op2_nr, octave_idx_type op2_nc);
+
+
+extern void OCTAVE_API
+gripe_nonconformant (const char *op, const dim_vector& op1_dims,
+                     const dim_vector& op2_dims);
+
+extern void OCTAVE_API
+gripe_index_out_of_range (int nd, int dim, 
+                          octave_idx_type iext, octave_idx_type ext);
+
+extern void OCTAVE_API
+gripe_del_index_out_of_range (bool is1d, octave_idx_type iext, 
+                              octave_idx_type ext);
+
+extern void OCTAVE_API
+gripe_invalid_index (void);
+
+extern void OCTAVE_API
+gripe_invalid_resize (void);
+
+extern void OCTAVE_API
+gripe_invalid_assignment_size (void);
+
+extern void OCTAVE_API
+gripe_assignment_dimension_mismatch (void);
+
+#endif