Remove unnecessary \b.  It was causing the RE to miss the tailing
slash on strings like "http://www.python.org/ is good".
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 5b27a09..bb702b3 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -441,7 +441,7 @@
         pattern = re.compile(r'\b((http|ftp)://\S+[\w/]|'
                                 r'RFC[- ]?(\d+)|'
                                 r'PEP[- ]?(\d+)|'
-                                r'(self\.)?(\w+))\b')
+                                r'(self\.)?(\w+))')
         while 1:
             match = pattern.search(text, here)
             if not match: break