expect '<^J^J^J>'
recho $'\n\n\n'
+expect '<++^J++>'
+f=$'\n'
+recho "++$f++"
+unset f
+
z1=$''
expect '<>'
recho "$z1"
$'\v\f\a\b') echo ok;;
*) echo bad;;
esac
+
+# Dave Korn says this should be allowed and echo 'abcd'
+echo $'\'abcd\''
+
+# printf translates \' to ' ...
+printf "\'abcd\'\n"
+
+# but echo -e doesn't
+echo -e "\'abcd\'"
+echo -e "\\'abcd\\'"
+
+