Index: /trunk/scripts/since_xxx.py
===================================================================
--- /trunk/scripts/since_xxx.py	(revision 19399)
+++ /trunk/scripts/since_xxx.py	(revision 19400)
@@ -60,5 +60,5 @@
     with open(path, "r") as f:
         old_text = f.read()
-    new_text = re.sub("since xxx", lambda _: "since {}".format(rev), old_text)
+    new_text = re.sub("since [xX][xX][xX]", lambda _: "since {}".format(rev), old_text)
     if old_text != new_text:
         print(