Changes for page 12 Constraints

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5	5	== 12.1 Scope ==
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7		-The scope of this section is to describe the support in the metamodel for specifying both the access to and the content of a [[data source>>doc:sdmx:Glossary 2\.1.Data source.WebHome]]. The information may be stored in
	7	+The scope of this section is to describe the support in the metamodel for specifying both the access to and the content of a data source. The information may be stored in a resource such as a registry for use by applications wishing to locate data and metadata which are available via the Internet. The //Constraint// is also used to specify a subset of a Codelist which may be used as a partial Codelist, relevant in the context of the artefact to which the //Constraint// is attached e.g., DataStructureDefinition, Dataflow, ProvisionAgreement, MetadataStructureDefinition, Metadataflow, MetadataProvisionAgreement.
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9		-a resource such as a registry for use by applications wishing to locate data and metadata which are available via the Internet. The //[[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]// is also used to specify a subset of a [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]] which may be used as a partial [[Codelist>>doc:sdmx:Glossary 2\.1.Code list.WebHome]], relevant in the context of the [[artefact>>doc:sdmx:Glossary 2\.1.Artefact.WebHome]] to which the //[[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]// is attached e.g., DataStructureDefinition, [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]], ProvisionAgreement, MetadataStructureDefinition, [[Metadataflow>>doc:sdmx:Glossary 2\.1.Metadataflow.WebHome]], MetadataProvisionAgreement.
	9	+Note that in this metamodel the term data provider refers to both data and metadata providers.
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11		-Note that in this metamodel the term [[data provider>>doc:sdmx:Glossary 2\.1.Data provider.WebHome]] refers to both data and metadata providers.
	11	+The Dataflow and Metadataflow, themselves may be specified as containing only a subset of all the possible keys that could be derived from a DataStructureDefinition or MetadataStructureDefinition. Respectively, further subsets may be defined within a ProvisionAgreement and MetadataProvisionAgreement.
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13		-The [[Dataflow>>doc:sdmx:Glossary 2\.1.Dataflow.WebHome]] and [[Metadataflow>>doc:sdmx:Glossary 2\.1.Metadataflow.WebHome]], themselves may be specified as containing only a subset of all the possible keys that could be derived from a DataStructureDefinition or MetadataStructureDefinition. Respectively, further subsets may be defined within a ProvisionAgreement and MetadataProvisionAgreement.
	13	+These specifications are called //Constraint// in this model.
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15		-These specifications are called //[[Constraint>>doc:sdmx:Glossary 2\.1.Constraint.WebHome]]// in this model.
16		-
17	17	== 12.2 Inheritance ==
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19	19	=== 12.2.1 Class Diagram of Constrainable Artefacts - Inheritance ===