fix for printf with broken strtold; fix readline reading specified number of multibyte characters; fix read builtin to deal with invalid utf-8 continuation character as delimiter; turn off -n if supplied at interactive shell invocation

bash-20240812/tests/extglob1a.sub

@@ -0,0 +1,29 @@
+#   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 3 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, see <http://www.gnu.org/licenses/>.
+#
+shopt -s extglob
+
+TESTDIR=${TMPDIR:-/tmp}/eglob-test-$$
+mkdir $TESTDIR
+builtin cd $TESTDIR || { echo $0: cannot cd to $TESTDIR >&2 ; exit 1; }
+rm -rf *
+
+touch a ab ba
+
+echo a*!(x)
+echo a!(x)
+echo a*?(x)
+echo a?(x)
+
+builtin cd $OLDPWD
+rm -rf $TESTDIR