pmt: initial 3.0.2 update

include/libgnulib/unistr/u-pcpy.h

@@ -0,0 +1,22 @@
+/* Copy piece of UTF-8/16/32 string, return pointer after last written unit.
+   Copyright (C) 2020-2024 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2023.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   This file 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 Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+UNIT *
+FUNC (UNIT *dest, const UNIT *src, size_t n)
+{
+  return U_CPY (dest, src, n) + n;
+}