Close #15387: inspect.getmodulename() now uses a new importlib.machinery.all_suffixes() API rather than the deprecated inspect.getmoduleinfo()
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index cea2da0..daf9e56 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -533,12 +533,23 @@
.. attribute:: EXTENSION_SUFFIXES
- A list of strings representing the the recognized file suffixes for
+ A list of strings representing the recognized file suffixes for
extension modules.
.. versionadded:: 3.3
+.. func:: all_suffixes()
+
+ Returns a combined list of strings representing all file suffixes for
+ Python modules recognized by the standard import machinery. This is a
+ helper for code which simply needs to know if a filesystem path
+ potentially represents a Python module (for example,
+ :func:`inspect.getmodulename`)
+
+ .. versionadded:: 3.3
+
+
.. class:: BuiltinImporter
An :term:`importer` for built-in modules. All known built-in modules are