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+Feature: Layout data
+  As a hacker who likes to avoid repetition
+  I want to be able to embed data into my layouts
+  In order to make the layouts slightly dynamic
+
+  Scenario: Use custom layout data
+    Given I have a _layouts directory
+    And I have a "_layouts/custom.html" file with content:
+      """
+      ---
+      foo: my custom data
+      ---
+      {{ content }} foo: {{ layout.foo }}
+      """
+    And I have an "index.html" page with layout "custom" that contains "page content"
+    When I run jekyll build
+    Then the "_site/index.html" file should exist
+    And I should see "page content\n foo: my custom data" in "_site/index.html"