Add full copyright header

Author: eddelbuettel

ChangeLog

@@ -1,3 +1,7 @@
+2025-09-05  Dirk Eddelbuettel  <edd@debian.org>
+
+	* inst/include/armadillo: Add full copyright header
+
 2025-09-02  Dirk Eddelbuettel  <edd@debian.org>
 
 	* inst/include/armadillo: Moved back up from legacy/ to restore path

inst/include/armadillo

@@ -1,6 +1,31 @@
 
+// Emacs, please make this  -*- mode: C++; -*-
+
+// RcppArmadillo: Rcpp/Armadillo glue
+//
+// Copyright (C)  2025-current  Dirk Eddelbuettel
+//
+// This file is part of RcppArmadillo.
+//
+// RcppArmadillo 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.
+//
+// RcppArmadillo 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 RcppArmadillo.  If not, see <http://www.gnu.org/licenses/>.
+
+
 // Replacement header providing the original path so that '#include <armadillo>' works
 // with the R package -- but it is recommended to include only the RcppArmadillo header
+//
+// Once the Armadillo 15.0.* / 14.6.3 transition is done this file will fall back to
+// the default Armadillo header
 
 
 #ifndef RcppArmadillo__armadillo__h