Comments for EXPORTed regression models

diff --git a/src/reg_export_comments.h b/src/reg_export_comments.h
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+/* PSPP - Comments for C files generated by REGRESSION's EXPORT subcommand.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+   Written by Jason H Stover <jason@sakla.net>.
+
+   This program 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 of the
+   License, or (at your option) any later version.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA. */
+
+#ifndef REG_EXPORT_COMMENTS_H
+#define REG_EXPORT_COMMENTS_H
+const char reg_mean_cmt[] =  "/*\n   Estimate the mean of Y, the dependent variable for\n"
+"   the linear model of the form \n\n"
+"      Y = b0 + b1 * X1 + b2 * X2 + ... + bk * Xk + error\n\n"
+"   where X1, ..., Xk are the independent variables\n"
+"   whose values are stored in var_vals and whose names, \n"
+"   as known by PSPP, are stored in var_names. The estimated \n"
+"   regression coefficients (i.e., the estimates of b0,...,bk) \n"
+"   are stored in model_coeffs.\n*/\n";
+#endif