Function: org-element-adopt-elements
org-element-adopt-elements is a function alias for org-element-adopt,
defined in org-element-ast.el.gz.
Signature
(org-element-adopt-elements PARENT &rest CHILDREN)
Documentation
Append CHILDREN to the contents of PARENT.
PARENT is a syntax node. CHILDREN can be elements, objects, or strings.
If PARENT is nil, create a new anonymous node containing CHILDREN.
The function takes care of setting :parent property for each child. Return the modified PARENT.