Fix-up indentation of sample code blocks for namedtuple mthod definitions.
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index fc2b802..f024843 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -724,7 +724,7 @@
Class method that makes a new instance from an existing sequence or iterable.
-.. doctest::
+ .. doctest::
>>> t = [11, 22]
>>> Point._make(t)
@@ -740,9 +740,7 @@
.. method:: somenamedtuple._replace(kwargs)
Return a new instance of the named tuple replacing specified fields with new
- values:
-
-::
+ values::
>>> p = Point(x=11, y=22)
>>> p._replace(x=33)
@@ -756,7 +754,7 @@
Tuple of strings listing the field names. Useful for introspection
and for creating new named tuple types from existing named tuples.
-.. doctest::
+ .. doctest::
>>> p._fields # view the field names
('x', 'y')