diff --git a/pengine/testcases/994.xml b/pengine/testcases/994.xml
index b2cd98e4ac..2c8a291435 100644
--- a/pengine/testcases/994.xml
+++ b/pengine/testcases/994.xml
@@ -1,115 +1,115 @@
-
+
diff --git a/pengine/testcases/group13.xml b/pengine/testcases/group13.xml
index 33e35118f7..73478739e9 100644
--- a/pengine/testcases/group13.xml
+++ b/pengine/testcases/group13.xml
@@ -1,54 +1,54 @@
-
+
diff --git a/pengine/testcases/group9.xml b/pengine/testcases/group9.xml
index c659819a51..1f6b4903b7 100644
--- a/pengine/testcases/group9.xml
+++ b/pengine/testcases/group9.xml
@@ -1,67 +1,67 @@
-
+
-
+
diff --git a/pengine/testcases/rec-node-10.xml b/pengine/testcases/rec-node-10.xml
index d97cb88e29..90f1c1ebb3 100644
--- a/pengine/testcases/rec-node-10.xml
+++ b/pengine/testcases/rec-node-10.xml
@@ -1,42 +1,42 @@
-
+
diff --git a/pengine/testcases/rec-node-11.xml b/pengine/testcases/rec-node-11.xml
index 8c79bc18f2..cca51c4527 100644
--- a/pengine/testcases/rec-node-11.xml
+++ b/pengine/testcases/rec-node-11.xml
@@ -1,55 +1,55 @@
-
+
diff --git a/pengine/testcases/rec-node-4.xml b/pengine/testcases/rec-node-4.xml
index 9395c8dc74..734aed1f9d 100644
--- a/pengine/testcases/rec-node-4.xml
+++ b/pengine/testcases/rec-node-4.xml
@@ -1,42 +1,42 @@
-
+
diff --git a/pengine/testcases/rec-node-6.xml b/pengine/testcases/rec-node-6.xml
index ab2a81be3f..da403b8af2 100644
--- a/pengine/testcases/rec-node-6.xml
+++ b/pengine/testcases/rec-node-6.xml
@@ -1,42 +1,42 @@
-
+
diff --git a/pengine/testcases/rec-node-7.xml b/pengine/testcases/rec-node-7.xml
index 9395c8dc74..734aed1f9d 100644
--- a/pengine/testcases/rec-node-7.xml
+++ b/pengine/testcases/rec-node-7.xml
@@ -1,42 +1,42 @@
-
+
diff --git a/pengine/testcases/rec-node-8.xml b/pengine/testcases/rec-node-8.xml
index 8e8982e116..827e7ac78b 100644
--- a/pengine/testcases/rec-node-8.xml
+++ b/pengine/testcases/rec-node-8.xml
@@ -1,47 +1,47 @@
-
+
diff --git a/pengine/testcases/rec-rsc-2.xml b/pengine/testcases/rec-rsc-2.xml
index c1d3ce6104..37bb7c1ea8 100644
--- a/pengine/testcases/rec-rsc-2.xml
+++ b/pengine/testcases/rec-rsc-2.xml
@@ -1,31 +1,31 @@
-
+
diff --git a/pengine/testcases/rec-rsc-3.xml b/pengine/testcases/rec-rsc-3.xml
index 4b42b0c41d..dd3c4665ba 100644
--- a/pengine/testcases/rec-rsc-3.xml
+++ b/pengine/testcases/rec-rsc-3.xml
@@ -1,33 +1,33 @@
-
+
diff --git a/pengine/testcases/rec-rsc-4.xml b/pengine/testcases/rec-rsc-4.xml
index 7134d7b2d6..7e58f29789 100644
--- a/pengine/testcases/rec-rsc-4.xml
+++ b/pengine/testcases/rec-rsc-4.xml
@@ -1,33 +1,33 @@
-
+
diff --git a/pengine/testcases/rec-rsc-5.xml b/pengine/testcases/rec-rsc-5.xml
index 7cf2615098..a6236a4c4e 100644
--- a/pengine/testcases/rec-rsc-5.xml
+++ b/pengine/testcases/rec-rsc-5.xml
@@ -1,42 +1,42 @@
-
+
diff --git a/pengine/testcases/simple4.xml b/pengine/testcases/simple4.xml
index 55739f9e0a..bad193f348 100644
--- a/pengine/testcases/simple4.xml
+++ b/pengine/testcases/simple4.xml
@@ -1,28 +1,28 @@
-
+