Merge pull request #640 from squidfunk/fix/jinja2-downward-compatibility

Prepare 2.2.4 release

CHANGELOG

+mkdocs-material-2.2.4 (2017-12-18)
+
+  * Fixed #638: Build breaks with Jinja < 2.9
+
 mkdocs-material-2.2.3 (2017-12-13)
 
   * Fixed #630: Admonition sets padding on any last child

docs/release-notes.md

@@ -12,7 +12,7 @@ To determine the currently installed version, use the following command:
 
 ``` sh
 pip show mkdocs-material | grep -E ^Version
-# Version 2.2.3
+# Version 2.2.4
 ```
 
 ### Material 1.x to 2.x
@@ -38,11 +38,19 @@ pip show mkdocs-material | grep -E ^Version
 
 ## Changelog
 
+### 2.2.4 <small>_ December 18, 2017</small>
+
+* Fixed [#638][638]: Build breaks with Jinja < 2.9
+
+  [638]: https://github.com/squidfunk/mkdocs-material/issues/638
+
 ### 2.2.3 <small>_ December 13, 2017</small>
 
-* Fixed #630: Admonition sets padding on any last child
+* Fixed [#630][630]: Admonition sets padding on any last child
 * Adjusted Chinese (Traditional) translations
 
+  [630]: https://github.com/squidfunk/mkdocs-material/issues/630
+
 ### 2.2.2 <small>_ December 8, 2017</small>
 
 * Added Dutch translations

material/base.html

@@ -34,7 +34,7 @@
         <meta name="lang:{{ key }}" content="{{ lang.t(key) }}">
       {% endfor %}
       <link rel="shortcut icon" href="{{ base_url }}/{{ config.theme.favicon }}">
-      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-2.2.3">
+      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-2.2.4">
     {% endblock %}
     {% block htmltitle %}
       {% if page and page.meta and page.meta.title %}

material/partials/hero.html

+{% set feature = config.theme.feature %}
 {% set class = "md-hero" %}
 {% if not feature.tabs %}
   {% set class = "md-hero md-hero--expand" %}

package.json

 {
   "name": "mkdocs-material",
-  "version": "2.2.3",
+  "version": "2.2.4",
   "description": "A Material Design theme for MkDocs",
   "keywords": [
     "mkdocs",

src/partials/hero.html

@@ -20,6 +20,9 @@
   IN THE SOFTWARE.
 -->
 
+<!-- Theme options -->
+{% set feature = config.theme.feature %}
+
 <!-- Determine class according to level -->
 {% set class = "md-hero" %}
 {% if not feature.tabs %}