Change pydoc.stripid() be able to match against 64-bit addresses by having
regex match from 6 to 16 characters.
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index ea2d97c..c02c140 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -113,7 +113,7 @@
         return text[:pre] + '...' + text[len(text)-post:]
     return text
 
-_re_stripid = re.compile(r' at 0x[0-9a-f]{6,}(>+)$', re.IGNORECASE)
+_re_stripid = re.compile(r' at 0x[0-9a-f]{6,16}(>+)$', re.IGNORECASE)
 def stripid(text):
     """Remove the hexadecimal id from a Python object representation."""
     # The behaviour of %p is implementation-dependent in terms of case.