Fix doctest_run_option_parser for Windows

It should fix (part of)  #2477.

IPython/core/tests/test_run.py

@@ -96,13 +96,42 b' def doctest_run_option_parser():'
     In [2]: %run print_argv.py print*.py
     ['print_argv.py']
 
-    In [3]: %run print_argv.py print\\*.py
+    In [3]: %run -G print_argv.py print*.py
     ['print*.py']
 
-    In [4]: %run print_argv.py 'print*.py'
+    """
+
+
[e-mail]_win32
+def doctest_run_option_parser_for_posix():
+    r"""Test option parser in %run (Linux/OSX specific).
+
+    You need double quote to escape glob in POSIX systems:
+
+    In [1]: %run print_argv.py print\\*.py
+    ['print*.py']
+
+    You can't use quote to escape glob in POSIX systems:
+
+    In [2]: %run print_argv.py 'print*.py'
     ['print_argv.py']
 
-    In [5]: %run -G print_argv.py print*.py
+    """
+
+
[e-mail]_linux
[e-mail]_osx
+def doctest_run_option_parser_for_windows():
+    r"""Test option parser in %run (Windows specific).
+
+    In Windows, you can't escape ``*` `by backslash:
+
+    In [1]: %run print_argv.py print\\*.py
+    ['print\\*.py']
+
+    You can use quote to escape glob:
+
+    In [2]: %run print_argv.py 'print*.py'
     ['print*.py']
 
     """