IPAL0054702: TC-9.6.0: 1D Algo "Use Existing 1D elements" is ignored

Update docs

doc/salome/gui/SMESH/input/define_mesh_by_script.rst

@@ -15,7 +15,9 @@ meshes and to create 2D mesh by your python code. For this, you
 #. run your python code, which creates a 2D mesh,
 #. invoke **Compute** command, which computes a 3D mesh.
 
-.. warning:: **Use Edges to be Created Manually** and **Use Faces to be Created Manually** algorithms should be assigned *before* mesh generation by the Python code.
+  .. warning::
+     * **Use Edges to be Created Manually** and **Use Faces to be Created Manually** algorithms should be assigned *before* mesh generation by the Python code.
+     * Nodes and elements created in your script must be assigned to geometry entities by calling *SetMeshElementOnShape*, *SetNodeOnVertex*, *SetNodeOnEdge* etc. in order to be used by an algorithm of upper dimension.
 
 Consider trying a sample script demonstrating the usage of :ref:`Use Faces to be Created Manually <tui_use_existing_faces>` algorithm for construction of a 2D mesh using Python commands.
 

src/SMESH_SWIG/smeshBuilder.py

@@ -4450,7 +4450,7 @@ class Mesh(metaclass = MeshMeta):
 
         Returns:
              A list of edge groups and a list of corresponding node groups,
-             where the group is a list of IDs of edges or elements, like follows
+             where the group is a list of IDs of edges or nodes, like follows
              [[[branch_edges_1],[branch_edges_2]], [[branch_nodes_1],[branch_nodes_2]]].
              If a group is closed, the first and last nodes of the group are same.
         """