bpo-37014: Update docstring and Documentation of fileinput.FileInput(). (GH-13545) (GH-13753)

* 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.
(cherry picked from commit aca273e2401ca3151e15e984f400233b7f255e15)

Co-authored-by: Michele Angrisano <michele.angrisano@gmail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/Lib/fileinput.py b/Lib/fileinput.py
index c6fc9a1981..c8b8b23674 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