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+# 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/>.
+#
+# testing framework for local variable inheritance
+
+shopt -s localvar_inherit
+declare -A var
+
+f() { declare var+=([0]=X); declare -p var; }
+f
+
+f() { declare var=([Y]=Y); declare -p var; }; f
+f() { declare var+=([Y]=Y); declare -p var; }; f
+f() { declare var+=(); declare -p var; }; f
+f() { declare var=(); declare -p var; }; f
+
+unset -f f
+unset -v var
+
+declare -a var=( [0]=12 )
+f() { declare -A var+=([0]=X); declare -p var; }
+f
+
+unset -f f
+unset a s
+
+a=(X) s=X
+
+f() { local -a a s; declare -p a s; }
+f
+
+f() { local a+=(Y) s+=(Y); declare -p a s; }
+f
+
+f() { local -a a+=Y s+=Y; declare -p a s; }
+f