Enable doctest running for several other documents.
We have now over 640 doctests that are run with "make doctest".
diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst
index bfb007f..f544cea 100644
--- a/Doc/library/hashlib.rst
+++ b/Doc/library/hashlib.rst
@@ -44,7 +44,7 @@
 OpenSSL library that Python uses on your platform.
 
 For example, to obtain the digest of the string ``'Nobody inspects the spammish
-repetition'``::
+repetition'``:
 
    >>> import hashlib
    >>> m = hashlib.md5()
@@ -57,7 +57,7 @@
    >>> m.block_size
    64
 
-More condensed::
+More condensed:
 
    >>> hashlib.sha224("Nobody inspects the spammish repetition").hexdigest()
    'a4337bc45a8fc544c03f52dc550cd6e1e87021bc896588bd79e901e2'
@@ -67,7 +67,7 @@
 hashes as well as any other algorithms that your OpenSSL library may offer.  The
 named constructors are much faster than :func:`new` and should be preferred.
 
-Using :func:`new` with an algorithm provided by OpenSSL::
+Using :func:`new` with an algorithm provided by OpenSSL:
 
    >>> h = hashlib.new('ripemd160')
    >>> h.update("Nobody inspects the spammish repetition")