--- code/trunk/testdata/testinput1	2009/03/03 12:32:47	380
+++ code/trunk/testdata/testinput1	2009/03/03 16:08:23	381
@@ -4055,4 +4055,10 @@
    adc
    abc 
 
+/(?(?=b).*b|^d)/
+    abc
+
+/(?(?=.*b).*b|^d)/
+    abc
+
 / End of testinput1 /