Ignore final newline in folded YAML string

lib/site_template/_config.yml

@@ -15,7 +15,7 @@
 # in the templates via {{ site.myvariable }}.
 title: Your awesome title
 email: your-email@example.com
-description: > # this means to ignore newlines until "baseurl:"
+description: >- # this means to ignore newlines until "baseurl:"
   Write an awesome description for your new site here. You can edit this
   line in _config.yml. It will appear in your document head meta (for
   Google search results) and in your feed.xml site description.

test/source/_config_folded.yml

@@ -0,0 +1,8 @@
+folded_string: >
+  This string of text will ignore
+  newlines till the next key.
+foo: bar
+clean_folded_string: >-
+  This string of text will ignore
+  newlines till the next key.
+baz: foo

test/test_configuration.rb

@@ -494,4 +494,20 @@ class TestConfiguration < JekyllUnitTest
       })
     end
   end
+
+  context "folded YAML string" do
+    should "ignore newlines entirely" do
+      tester = Configuration.new
+      config_file = tester.read_config_file(source_dir("_config_folded.yml"))
+      config = Jekyll.configuration(config_file)
+      assert_equal(
+        config["folded_string"],
+        "This string of text will ignore newlines till the next key.\n"
+      )
+      assert_equal(
+        config["clean_folded_string"],
+        "This string of text will ignore newlines till the next key."
+      )
+    end
+  end
 end