sh on Tru64 likes its parentheses to be escaped...

misc-scripts/binary_delta/planner.pl

@@ -53,8 +53,8 @@ EOT
 	my $d  = $db . '_' . $v0 . '_delta_' . $v1;
 	print <<EOT;
 # DELTA: $v0 -> $v1
-if [ ( ! -f deltas/${d}_build.txt -o \\
-       ! -f deltas/${d}_apply.txt ) -a \\
+if [ \\( ! -f deltas/${d}_build.txt -o \\
+       ! -f deltas/${d}_apply.txt \\) -a \\
        ! -d databases/$db0 ]; then
   # Get older revision (needed for build and apply)
   scp -c none -r ecs3:/mysqla/current/var/$db0 databases/