Remove surplus empty lines and convert more files to new optional arg style.
diff --git a/Doc/library/fileinput.rst b/Doc/library/fileinput.rst
index 76d5d6f..d98a198 100644
--- a/Doc/library/fileinput.rst
+++ b/Doc/library/fileinput.rst
@@ -47,7 +47,7 @@
The following function is the primary interface of this module:
-.. function:: input([files[, inplace[, backup[, mode[, openhook]]]]])
+.. function:: input(files=None, inplace=False, backup='', bufsize=0, mode='r', openhook=None)
Create an instance of the :class:`FileInput` class. The instance will be used
as global state for the functions of this module, and is also returned to use
@@ -115,7 +115,7 @@
available for subclassing as well:
-.. class:: FileInput([files[, inplace[, backup[, mode[, openhook]]]]])
+.. class:: FileInput(files=None, inplace=False, backup='', bufsize=0, mode='r', openhook=None)
Class :class:`FileInput` is the implementation; its methods :meth:`filename`,
:meth:`fileno`, :meth:`lineno`, :meth:`filelineno`, :meth:`isfirstline`,