Apply proper alignment within subshells

99bottles.sh

@@ -110,13 +110,17 @@ grammar() {
     while read line; do
         line="${line/one more bottles/one more bottle}"
         case "$line" in
-            *"one of those bottles"*)   line="$([ $oneBottle = true ] &&
-                                        echo ${line/one of those bottles/that lone bottle} ||
-                                        echo $line )"
+            *"one of those bottles"*)   line="$(
+                                            [ $oneBottle = true ] \
+                                             && echo ${line/one of those bottles/that lone bottle} \
+                                             || echo $line
+                                        )"
                                         ;;
-            *"one down"*)               line="$([ $oneBottle = true ] &&
-                                        echo ${line/one down/it down} ||
-                                        echo $line )"
+            *"one down"*)               line="$(
+                                            [ $oneBottle = true ] \
+                                             && echo ${line/one down/it down} \
+                                             || echo $line
+                                        )"
                                         ;;
             *bottles*)                  oneBottle=false;;
             *bottle*)                   oneBottle=true;;