- Rebased on master

- Replaced the "empty string" with "empty array" in the comment about how to report no errors.
- Renamed warning variable to warnings to indicate that it can contain multiple warnings.

tutorials/plugins/running_code_in_the_editor.rst

@@ -268,14 +268,16 @@ By default, the warning only updates when closing and reopening the scene.
 
 
     func _get_configuration_warnings():
-        var warning = []
+        var warnings = []
+
         if title == "":
-            warning.append("Please set `title` to a non-empty value.")
+            warnings.append("Please set `title` to a non-empty value.")
+
         if description.length() >= 100:
-            warning.append("`description` should be less than 100 characters long.")
+            warnings.append("`description` should be less than 100 characters long.")
 
-        # Returning an empty string means "no warning".
-        return warning
+        # Returning an empty array means "no warning".
+        return warnings
 
 Instancing scenes
 -----------------