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-rw-r--r--Doc/README.rst9
-rw-r--r--Doc/tools/templates/layout.html11
2 files changed, 20 insertions, 0 deletions
diff --git a/Doc/README.rst b/Doc/README.rst
index d7bcc5ba79..9fc39834f8 100644
--- a/Doc/README.rst
+++ b/Doc/README.rst
@@ -113,6 +113,15 @@ Then, from the ``Doc`` directory, run ::
where ``<builder>`` is one of html, text, latex, or htmlhelp (for explanations
see the make targets above).
+Deprecation header
+==================
+
+You can define the ``outdated`` variable in ``html_context`` to show a
+red banner on each page redirecting to the "latest" version.
+
+The link points to the same page on ``/3/``, sadly for the moment the
+language is lost during the process.
+
Contributing
============
diff --git a/Doc/tools/templates/layout.html b/Doc/tools/templates/layout.html
index 8cf903dec6..1ea681cdcf 100644
--- a/Doc/tools/templates/layout.html
+++ b/Doc/tools/templates/layout.html
@@ -1,4 +1,15 @@
{% extends "!layout.html" %}
+
+{% block header %}
+{%- if outdated %}
+<div id="outdated-warning" style="padding: .5em; text-align: center; background-color: #FFBABA; color: #6A0E0E;">
+ {% trans %}This document is for an old version of Python that is no longer supported.
+ You should upgrade, and read the {% endtrans %}
+ <a href="/3/{{ pagename }}{{ file_suffix }}">{% trans %} Python documentation for the current stable release {% endtrans %}</a>.
+</div>
+{%- endif %}
+{% endblock %}
+
{% block rootrellink %}
<li><img src="{{ pathto('_static/py.png', 1) }}" alt=""
style="vertical-align: middle; margin-top: -1px"/></li>