component_ref
element information items (referred to in this
specification as component_ref
elements) are element information items
in the CellML namespace with local name equal to component_ref
.
- Every
component_ref
element MUST contain an attribute information item in the empty namespace and with local namecomponent
. The value of this attribute MUST be a valid CellML identifier, and MUST match thename
attribute on acomponent
element or animport component
element in the CellML infoset. - Every
component_ref
element MAY in turn contain zero or morecomponent_ref
element children. - In addition,
component_ref
elements which are children ofgroup
elements MUST contain at least onecomponent_ref
element child.