Fix #3759. IFC4X3 files should use ADD2 identifier.

src/ifcopenshell-python/ifcopenshell/__init__.py

@@ -97,10 +97,19 @@ def open(path: "os.PathLike | str", format: str = None, should_stream: bool = Fa
     You can specify a file format. If no format is given, it is guessed from its extension.
     Currently supported specified format : .ifc | .ifcZIP | .ifcXML
 
-    Examples:
+    You can then filter by element ID, class, etc, and subscript by id or guid.
+
+    Example:
+
+    .. code:: python
+
         model = ifcopenshell.open("/path/to/model.ifc")
         model = ifcopenshell.open("/path/to/model.ifcXML")
         model = ifcopenshell.open("/path/to/model.any_extension", ".ifc")
+
+        products = model.by_type("IfcProduct")
+        print(products[0].id(), products[0].GlobalId) # 122 2XQ$n5SLP5MBLyL442paFx
+        print(products[0] == model[122] == model["2XQ$n5SLP5MBLyL442paFx"]) # True
     """
     path = Path(path)
     if format is None:

src/ifcopenshell-python/ifcopenshell/file.py

@@ -191,10 +191,10 @@ class file(object):
 
     .. code:: python
 
-        ifc_file = ifcopenshell.open(file_path)
-        products = ifc_file.by_type("IfcProduct")
+        model = ifcopenshell.open(file_path)
+        products = model.by_type("IfcProduct")
         print(products[0].id(), products[0].GlobalId) # 122 2XQ$n5SLP5MBLyL442paFx
-        print(products[0] == ifc_file[122] == ifc_file["2XQ$n5SLP5MBLyL442paFx"]) # True
+        print(products[0] == model[122] == model["2XQ$n5SLP5MBLyL442paFx"]) # True
     """
 
     wrapped_data: ifcopenshell_wrapper.file
@@ -244,7 +244,7 @@ class file(object):
             prefixes = ("IFC", "X", "_ADD", "_TC")
             schema = "".join("".join(map(str, t)) if t[1] else "" for t in zip(prefixes, schema_version))
         else:
-            schema = {"IFC4X3": "IFC4X3_ADD1"}.get(schema, schema)
+            schema = {"IFC4X3": "IFC4X3_ADD2"}.get(schema, schema)
         if f is not None:
             self.wrapped_data = f
         else: