Delayed conref resolution elements
The delayed conref resolution domain provides several elements
for use when using DITA in situations that enable delayed or run time
resolution of conref. The elements allow users to resolve some conref
values statically, while delaying others for later resolution.
Many publishing systems for which DITA is used as a source format do not have a way to dynamically resolve content references; those systems will not see any benefit from this element. When DITA is used for those systems, behaviors related to this element should be ignored.