python
diff --git a/‎library/importlib.metadata.po
+43-39 b/‎library/importlib.metadata.po
+43-39
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.9\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-05-20 06:27+0000\n"
+"POT-Creation-Date: 2021-06-28 06:43+0000\n"
 "PO-Revision-Date: 2019-09-01 14:41+0000\n"
 "Last-Translator: tomo, 2019\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
@@ -25,13 +25,17 @@ msgstr ""
 msgid "Using :mod:`!importlib.metadata`"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:13
+#: ../../library/importlib.metadata.rst:10
+msgid "**Source code:** :source:`Lib/importlib/metadata.py`"
+msgstr ""
+
+#: ../../library/importlib.metadata.rst:15
 msgid ""
 "This functionality is provisional and may deviate from the usual version "
 "semantics of the standard library."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:16
+#: ../../library/importlib.metadata.rst:18
 msgid ""
 "``importlib.metadata`` is a library that provides for access to installed "
 "package metadata.  Built in part on Python's import system, this library "
@@ -42,7 +46,7 @@ msgid ""
 "efficient ``pkg_resources`` package."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:25
+#: ../../library/importlib.metadata.rst:27
 msgid ""
 "By \"installed package\" we generally mean a third-party package installed "
 "into Python's ``site-packages`` directory via tools such as `pip "
@@ -53,52 +57,52 @@ msgid ""
 "  Through an extension mechanism, the metadata can live almost anywhere."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:36
+#: ../../library/importlib.metadata.rst:38
 msgid "Overview"
 msgstr "概要"
 
-#: ../../library/importlib.metadata.rst:38
+#: ../../library/importlib.metadata.rst:40
 msgid ""
 "Let's say you wanted to get the version string for a package you've "
 "installed using ``pip``.  We start by creating a virtual environment and "
 "installing something into it:"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:48
+#: ../../library/importlib.metadata.rst:50
 msgid "You can get the version string for ``wheel`` by running the following:"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:57
+#: ../../library/importlib.metadata.rst:59
 msgid ""
 "You can also get the set of entry points keyed by group, such as "
 "``console_scripts``, ``distutils.commands`` and others.  Each group contains"
 " a sequence of :ref:`EntryPoint <entry-points>` objects."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:61
+#: ../../library/importlib.metadata.rst:63
 msgid "You can get the :ref:`metadata for a distribution <metadata>`::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:66
+#: ../../library/importlib.metadata.rst:68
 msgid ""
 "You can also get a :ref:`distribution's version number <version>`, list its "
 ":ref:`constituent files <files>`, and get a list of the distribution's "
 ":ref:`requirements`."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:72
+#: ../../library/importlib.metadata.rst:74
 msgid "Functional API"
 msgstr "機能 API"
 
-#: ../../library/importlib.metadata.rst:74
+#: ../../library/importlib.metadata.rst:76
 msgid "This package provides the following functionality via its public API."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:80
+#: ../../library/importlib.metadata.rst:82
 msgid "Entry points"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:82
+#: ../../library/importlib.metadata.rst:84
 msgid ""
 "The ``entry_points()`` function returns a dictionary of all entry points, "
 "keyed by group.  Entry points are represented by ``EntryPoint`` instances; "
@@ -108,7 +112,7 @@ msgid ""
 "``.value`` attribute::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:106
+#: ../../library/importlib.metadata.rst:108
 msgid ""
 "The ``group`` and ``name`` are arbitrary values defined by the package "
 "author and usually a client will wish to resolve all entry points for a "
@@ -118,37 +122,37 @@ msgid ""
 "their definition, and usage."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:116
+#: ../../library/importlib.metadata.rst:118
 msgid "Distribution metadata"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:118
+#: ../../library/importlib.metadata.rst:120
 msgid ""
 "Every distribution includes some metadata, which you can extract using the "
 "``metadata()`` function::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:123
+#: ../../library/importlib.metadata.rst:125
 msgid ""
 "The keys of the returned data structure [#f1]_ name the metadata keywords, "
 "and their values are returned unparsed from the distribution metadata::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:133
+#: ../../library/importlib.metadata.rst:135
 msgid "Distribution versions"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:135
+#: ../../library/importlib.metadata.rst:137
 msgid ""
 "The ``version()`` function is the quickest way to get a distribution's "
 "version number, as a string::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:145
+#: ../../library/importlib.metadata.rst:147
 msgid "Distribution files"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:147
+#: ../../library/importlib.metadata.rst:149
 msgid ""
 "You can also get the full set of files contained within a distribution.  The"
 " ``files()`` function takes a distribution package name and returns all of "
@@ -158,11 +162,11 @@ msgid ""
 "For example::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:163
+#: ../../library/importlib.metadata.rst:165
 msgid "Once you have the file, you can also read its contents::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:174
+#: ../../library/importlib.metadata.rst:176
 msgid ""
 "In the case where the metadata file listing files (RECORD or SOURCES.txt) is"
 " missing, ``files()`` will return ``None``. The caller may wish to wrap "
@@ -172,51 +176,51 @@ msgid ""
 " known to have the metadata present."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:185
+#: ../../library/importlib.metadata.rst:187
 msgid "Distribution requirements"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:187
+#: ../../library/importlib.metadata.rst:189
 msgid ""
 "To get the full set of requirements for a distribution, use the "
 "``requires()`` function::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:195
+#: ../../library/importlib.metadata.rst:197
 msgid "Distributions"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:197
+#: ../../library/importlib.metadata.rst:199
 msgid ""
 "While the above API is the most common and convenient usage, you can get all"
 " of that information from the ``Distribution`` class.  A ``Distribution`` is"
 " an abstract object that represents the metadata for a Python package.  You "
 "can get the ``Distribution`` instance::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:205
+#: ../../library/importlib.metadata.rst:207
 msgid ""
 "Thus, an alternative way to get the version number is through the "
 "``Distribution`` instance::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:211
+#: ../../library/importlib.metadata.rst:213
 msgid ""
 "There are all kinds of additional metadata available on the ``Distribution``"
 " instance::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:219
+#: ../../library/importlib.metadata.rst:221
 msgid ""
 "The full set of available metadata is not described here.  See :pep:`566` "
 "for additional details."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:224
+#: ../../library/importlib.metadata.rst:226
 msgid "Extending the search algorithm"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:226
+#: ../../library/importlib.metadata.rst:228
 msgid ""
 "Because package metadata is not available through :data:`sys.path` searches,"
 " or package loaders directly, the metadata for a package is found through "
@@ -225,14 +229,14 @@ msgid ""
 "path finders <meta path finder>` on :data:`sys.meta_path`."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:232
+#: ../../library/importlib.metadata.rst:234
 msgid ""
 "The default ``PathFinder`` for Python includes a hook that calls into "
 "``importlib.metadata.MetadataPathFinder`` for finding distributions loaded "
 "from typical file-system-based paths."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:236
+#: ../../library/importlib.metadata.rst:238
 msgid ""
 "The abstract class :py:class:`importlib.abc.MetaPathFinder` defines the "
 "interface expected of finders by Python's import system. "
@@ -242,14 +246,14 @@ msgid ""
 "base class, which defines this abstract method::"
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:250
+#: ../../library/importlib.metadata.rst:252
 msgid ""
 "The ``DistributionFinder.Context`` object provides ``.path`` and ``.name`` "
 "properties indicating the path to search and name to match and may supply "
 "other relevant context."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:254
+#: ../../library/importlib.metadata.rst:256
 msgid ""
 "What this means in practice is that to support finding distribution package "
 "metadata in locations other than the file system, subclass ``Distribution`` "
@@ -258,11 +262,11 @@ msgid ""
 "method."
 msgstr ""
 
-#: ../../library/importlib.metadata.rst:267
+#: ../../library/importlib.metadata.rst:269
 msgid "Footnotes"
 msgstr "脚注"
 
-#: ../../library/importlib.metadata.rst:268
+#: ../../library/importlib.metadata.rst:270
 msgid ""
 "Technically, the returned distribution metadata object is an "
 ":class:`email.message.EmailMessage` instance, but this is an implementation "