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The '1.5' version of the openEHR Archetype Definition Language (ADL) and Archetype Object Model (AOM) is a major upgrade of ADL 1.4, fixing numerous small problems and limitations of ADL/AOM 1.4 (ISO 13606-2), as well as adding the ability to express templates in a seamless way. A further specification for the Template Object Model (TOM) and Operational Template (OPT) defines how templates are deployed. The draft specifications for ADL 1.5, AOM 1.5 and the TOM/OPT can be found at the bottom of the page http://www.openehr.org/svn/specification/TRUNK/publishing/roadmap.html specifications page .
We can think about archetypes and templates from two viewpoints:
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