bpo-37014: Update docstring and Documentation of fileinput.FileInput(). (GH-13545)

* bpo-37014: Update docstring and Documentation of fileinput.FileInput()

* Explain the behavior of fileinput.FileInput() when reading stdin.

* Update blurb.

* bpo-37014: Fix typo in the docstring and documentation.

3 files changed, 7 insertions, 5 deletions

diff --git a/Doc/library/fileinput.rst b/Doc/library/fileinput.rst
index 14be492..f5e5280 100644
--- a/Doc/library/fileinput.rst
+++ b/Doc/library/fileinput.rst
@@ -23,8 +23,9 @@ The typical use is::
 
 This iterates over the lines of all files listed in ``sys.argv[1:]``, defaulting
 to ``sys.stdin`` if the list is empty.  If a filename is ``'-'``, it is also
-replaced by ``sys.stdin``.  To specify an alternative list of filenames, pass it
-as the first argument to :func:`.input`.  A single file name is also allowed.
+replaced by ``sys.stdin`` and the optional arguments *mode* and *openhook*
+are ignored.  To specify an alternative list of filenames, pass it as the
+first argument to :func:`.input`.  A single file name is also allowed.
 
 All files are opened in text mode by default, but you can override this by
 specifying the *mode* parameter in the call to :func:`.input` or
diff --git a/Lib/fileinput.py b/Lib/fileinput.py
index d868e74..c1b0ec9 100644
--- a/Lib/fileinput.py
+++ b/Lib/fileinput.py
@@ -8,9 +8,9 @@ Typical use is:
 
 This iterates over the lines of all files listed in sys.argv[1:],
 defaulting to sys.stdin if the list is empty.  If a filename is '-' it
-is also replaced by sys.stdin.  To specify an alternative list of
-filenames, pass it as the argument to input().  A single file name is
-also allowed.
+is also replaced by sys.stdin and the optional arguments mode and
+openhook are ignored.  To specify an alternative list of filenames,
+pass it as the argument to input().  A single file name is also allowed.
 
 Functions filename(), lineno() return the filename and cumulative line
 number of the line that has just been read; filelineno() returns its
diff --git a/Misc/ACKS b/Misc/ACKS
index 5c23df8..082fa56 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -55,6 +55,7 @@ Juancarlo Añez
 Chris Angelico
 Jérémy Anger
 Jon Anglin
+Michele Angrisano
 Ankur Ankan
 Heidi Annexstad
 Ramchandra Apte