--- rpy_tools.py	2006-07-11 17:07:05.000000000 +0200
+++ rpy_tools.py	2007-09-04 11:06:14.000000000 +0200
@@ -98,7 +98,7 @@
       raise RuntimeError("Couldn't execute the R interpreter" +
                          " `%s'.\n" % rexec )
     # edd 05 Apr 2006  version = re.search("R +([0-9]\.[0-9]\.[0-9])", output)
-    version = re.search(" +([0-9]\.[0-9]\.[0-9])", output)
+    version = re.search(" version ([0-9]\.[0-9]\.[0-9])", output)
     if not version:
       raise RuntimeError("Couldn't obtain version number from output\n"
                                "of `R --version'.\n")