testbed/matplotlib__matplotlib/doc/_templates/sections/announcement.html

{%- if theme_announcement == "unreleased" -%}
{% set header_classes = ["bd-header-announcement", "container-fluid"] %}
  <div class="{{ header_classes | join(' ') }}" id="unreleased-message">
    <div class="bd-header-announcement__content">
      You are reading documentation for the unreleased version of Matplotlib.
      <a href="https://matplotlib.org/search.html?q={{ title | striptags | urlencode }}&amp;check_keywords=yes&amp;area=default">
        Try searching for the released version of this page instead?
      </a>
    </div>
  </div>
{%- else -%}
  {%- extends "!sections/announcement.html" -%}
{%- endif %}