Run 2to3 over the Demo/ directory to shut up parse errors from 2to3 about lingering print statements.
diff --git a/Demo/tkinter/guido/ManPage.py b/Demo/tkinter/guido/ManPage.py
index b189b64..1266f1c 100755
--- a/Demo/tkinter/guido/ManPage.py
+++ b/Demo/tkinter/guido/ManPage.py
@@ -75,7 +75,7 @@
     # Initialize parsing from a particular file -- must not be busy
     def _startparser(self, fp):
         if self.busy():
-            raise RuntimeError, 'startparser: still busy'
+            raise RuntimeError('startparser: still busy')
         fp.fileno()             # Test for file-ness
         self.fp = fp
         self.lineno = 0
@@ -90,7 +90,7 @@
     # End parsing -- must be busy, need not be at EOF
     def _endparser(self):
         if not self.busy():
-            raise RuntimeError, 'endparser: not busy'
+            raise RuntimeError('endparser: not busy')
         if self.buffer:
             self._parseline('')
         try: