rm `find $nm$old $nm$new -name $a`
done
-echo 'use cd source-dir; patch -E -p0 < this_patch'> patch-$new
+cat <<EOF > patch-$new
+Generated with
+
+ make_patch $1 $2 $3
+
+usage
+
+ cd lilypond-source-dir; patch -E -p0 < patch-$new
+
+Patches do not contain automatically generated files,
+i.e. you should rerun configure
+EOF
(cd $nm$new; diff -urN ../$nm$old . >> ../patch-$new)
rm -rf $nm$old $nm$new