Enable doctest running for several other documents.
We have now over 640 doctests that are run with "make doctest".
diff --git a/Doc/library/string.rst b/Doc/library/string.rst
index 8671917..8d140cd 100644
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@@ -168,7 +168,7 @@
This is the object passed to the constructor's *template* argument. In general,
you shouldn't change it, but read-only access is not enforced.
-Here is an example of how to use a Template::
+Here is an example of how to use a Template:
>>> from string import Template
>>> s = Template('$who likes $what')