Add an XML schema for documentation

This makes it easier to spot syntax errors when editing the
class reference. The schema is referenced locally so validation
can still work offline.

Each class XML's schema conformance is also checked on GitHub Actions.

9 files changed, 9 insertions, 9 deletions

diff --git a/modules/csg/doc_classes/CSGBox3D.xml b/modules/csg/doc_classes/CSGBox3D.xml
index 64b07a6cbb..591110fa38 100644
--- a/modules/csg/doc_classes/CSGBox3D.xml
+++ b/modules/csg/doc_classes/CSGBox3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGBox3D" inherits="CSGPrimitive3D" version="4.0">
+<class name="CSGBox3D" inherits="CSGPrimitive3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		A CSG Box shape.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGCombiner3D.xml b/modules/csg/doc_classes/CSGCombiner3D.xml
index 16903141de..1601602601 100644
--- a/modules/csg/doc_classes/CSGCombiner3D.xml
+++ b/modules/csg/doc_classes/CSGCombiner3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGCombiner3D" inherits="CSGShape3D" version="4.0">
+<class name="CSGCombiner3D" inherits="CSGShape3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		A CSG node that allows you to combine other CSG modifiers.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGCylinder3D.xml b/modules/csg/doc_classes/CSGCylinder3D.xml
index fa61957c84..ea026c5ee9 100644
--- a/modules/csg/doc_classes/CSGCylinder3D.xml
+++ b/modules/csg/doc_classes/CSGCylinder3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGCylinder3D" inherits="CSGPrimitive3D" version="4.0">
+<class name="CSGCylinder3D" inherits="CSGPrimitive3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		A CSG Cylinder shape.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGMesh3D.xml b/modules/csg/doc_classes/CSGMesh3D.xml
index 660659a98b..3318fb21c8 100644
--- a/modules/csg/doc_classes/CSGMesh3D.xml
+++ b/modules/csg/doc_classes/CSGMesh3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGMesh3D" inherits="CSGPrimitive3D" version="4.0">
+<class name="CSGMesh3D" inherits="CSGPrimitive3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		A CSG Mesh shape that uses a mesh resource.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGPolygon3D.xml b/modules/csg/doc_classes/CSGPolygon3D.xml
index e8ef79a9e5..cacad21453 100644
--- a/modules/csg/doc_classes/CSGPolygon3D.xml
+++ b/modules/csg/doc_classes/CSGPolygon3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGPolygon3D" inherits="CSGPrimitive3D" version="4.0">
+<class name="CSGPolygon3D" inherits="CSGPrimitive3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		Extrudes a 2D polygon shape to create a 3D mesh.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGPrimitive3D.xml b/modules/csg/doc_classes/CSGPrimitive3D.xml
index 7eac85368e..39f4fa320d 100644
--- a/modules/csg/doc_classes/CSGPrimitive3D.xml
+++ b/modules/csg/doc_classes/CSGPrimitive3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGPrimitive3D" inherits="CSGShape3D" version="4.0">
+<class name="CSGPrimitive3D" inherits="CSGShape3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		Base class for CSG primitives.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGShape3D.xml b/modules/csg/doc_classes/CSGShape3D.xml
index b2513703c0..f1cd28e00f 100644
--- a/modules/csg/doc_classes/CSGShape3D.xml
+++ b/modules/csg/doc_classes/CSGShape3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGShape3D" inherits="GeometryInstance3D" version="4.0">
+<class name="CSGShape3D" inherits="GeometryInstance3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		The CSG base class.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGSphere3D.xml b/modules/csg/doc_classes/CSGSphere3D.xml
index 1ef20bc7ca..227f620a4e 100644
--- a/modules/csg/doc_classes/CSGSphere3D.xml
+++ b/modules/csg/doc_classes/CSGSphere3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGSphere3D" inherits="CSGPrimitive3D" version="4.0">
+<class name="CSGSphere3D" inherits="CSGPrimitive3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		A CSG Sphere shape.
 	</brief_description>
diff --git a/modules/csg/doc_classes/CSGTorus3D.xml b/modules/csg/doc_classes/CSGTorus3D.xml
index 09256af109..ea555a5449 100644
--- a/modules/csg/doc_classes/CSGTorus3D.xml
+++ b/modules/csg/doc_classes/CSGTorus3D.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="CSGTorus3D" inherits="CSGPrimitive3D" version="4.0">
+<class name="CSGTorus3D" inherits="CSGPrimitive3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
 	<brief_description>
 		A CSG Torus shape.
 	</brief_description>