Typo: use french style quotes

utils/typo.sh

@@ -25,6 +25,9 @@ do
 	sed -i \
             -e 's/\([^ ]\)?/\1 ?/g' \
             -e 's/\([^ ]\)!/\1 !/g' \
+            -e 's/\([^ ]\)!/\1 !/g' \
+            -e 's/``/{\\og}/g' \
+            -e "s/''/{\\\\fg}/g" \
             -e '/\\gtab.*/ ! s/\([^ ]\):/\1 :/g' \
             $song
     fi