fixed appending

en

@@ -74,7 +74,11 @@ while test -n "$1"; do
 				;;
 			"a")
 				read -r append
-				content="$content$append"
+				if test -z "$content"; then
+					content="$append"
+				else
+					content="$(printf "%s\n%s" "$content" "$append")"
+				fi
 				;;
 			"c")
 				clear