1 files changed, 36 insertions, 0 deletions
diff --git a/tests/histexp1.sub b/tests/histexp1.sub
new file mode 100644
index 0000000..cc2c5d1
--- /dev/null
+++ b/tests/histexp1.sub
@@ -0,0 +1,36 @@
+#   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/>.
+#
+LC_ALL=C
+LANG=C
+
+set -o history
+set -H
+
+echo '!'
+echo "!"
+echo !
+
+echo "$( echo '!' )"
+echo "$( echo "!" )"
+echo "$( echo ! )"
+
+echo $( echo '!' )
+echo $( echo "!" )
+echo $( echo ! )
+
+echo "$( echo "\!" )"
+echo "\!"
+
+echo "$( echo '\!' )"
+echo '\!'