Issue #22812: Fix unittest discovery examples.

Patch from Pam McA'Nulty.

Doc/library/unittest.rst

@@ -286,8 +286,8 @@ The :option:`-s`, :option:`-p`, and :option:`-t` options can be passed in
 as positional arguments in that order. The following two command lines
 are equivalent::
 
-   python -m unittest discover -s project_directory -p '*_test.py'
-   python -m unittest discover project_directory '*_test.py'
+   python -m unittest discover -s project_directory -p "*_test.py"
+   python -m unittest discover project_directory "*_test.py"
 
 As well as being a path it is possible to pass a package name, for example
 ``myproject.subpackage.test``, as the start directory. The package name you

Misc/ACKS

@@ -880,6 +880,7 @@ Daniel May
 Madison May
 Lucas Maystre
 Arnaud Mazin
+Pam McA'Nulty
 Matt McClure
 Rebecca McCreary
 Kirk McDonald

Misc/NEWS

@@ -34,6 +34,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #22812: Fix unittest discovery examples.
+  Patch from Pam McA'Nulty.
+
 - Issue #23652: Make it possible to compile the select module against the
   libc headers from the Linux Standard Base, which do not include some
   EPOLL macros.  Initial patch by Matt Frank.