All the job manager scripts have a check for relative directories except for
pbs.pm.  I'm assuming this is an oversight and should be corrected, especially
since it allows WS scheduler test "submit208b" to pass.  Here is the diff of the
fix to pbs.pm:

--- pbs.in      9 Jun 2005 19:34:47 -0000       1.18.6.1
+++ pbs.in      23 Jul 2005 23:29:53 -0000
@@ -61,6 +61,10 @@
     {
        return Globus::GRAM::Error::RSL_DIRECTORY();
     }
+    if ($description->directory() =~ m|^[^/]|) {
+        $description->add("directory",
+                $ENV{HOME} . '/' . $description->directory());
+    }
     chdir $description->directory() or
         return Globus::GRAM::Error::BAD_DIRECTORY();