In the section "Functional DOM Building API" of [The Presentation Tier
"""
Each element in children can be a:
DOM object that is added as a child of the DOM object
string, unicode string, integer or float that is converted to unicode string and added as data to the DOM object
list, tuple or generator which each elements are added to the DOM object
dictionary which each items are added as attributes of the DOM object
"""
But it does not state that a component.Component() instance can also
be a child and it does not link to [the Component Model