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Add tests and spec text for scoped-contexts on @nest alias.
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‎index.html

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@@ -2444,7 +2444,7 @@ <h3>Algorithm</h3>
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<li>If <var>element</var> is <code>null</code>, return <code>null</code>.</li>
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<li class="changed">If <var>active property</var> is <code>@default</code>,
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initialize the {{JsonLdOptions/frameExpansion}} flag to <code>false</code>.</li>
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<li class="changed">If <var>active property</var> has a <a>term definition</a> in <var>active context</var>
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<li id="alg-expand-property-scoped-context" class="changed">If <var>active property</var> has a <a>term definition</a> in <var>active context</var>
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with a <a>local context</a>, initialize <var>property-scoped context</var> to that <a>local context</a>.</li>
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<li>If <var>element</var> is a <a>scalar</a>,
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<ol>
@@ -2498,7 +2498,7 @@ <h3>Algorithm</h3>
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(where <a>entries</a> are <span class="changed"><a data-lt="IRI expanding">IRI expanded</a></span>,
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set <var>active context</var> to <a>previous context</a> from <var>active context</var>,
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as the scope of a term-scoped <a>context</a> does not apply when processing new <a>node objects</a>.</li>
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<li id="alg-expand-property-scoped-context" class="changed">If <var>property-scoped context</var> is defined,
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<li id="alg-expand-property-scoped-context2" id="alg-expand-property-scoped-context" class="changed">If <var>property-scoped context</var> is defined,
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set <var>active context</var> to the result of the
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<a href="#context-processing-algorithm">Context Processing algorithm</a>,
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passing <var>active context</var>, <var>property-scoped context</var> as <var>local context</var>,
@@ -3033,9 +3033,20 @@ <h3>Algorithm</h3>
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<var>nested value</var> expands to <code>@value</code>, an
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<a data-link-for="JsonLdErrorCode">invalid @nest value</a> error
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has been detected and processing is aborted.</li>
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<li>Recursively repeat steps <a href="#alg-expand-each-key-value">13</a>
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<li>Recursively repeat steps
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<a href="#alg-expand-property-scoped-context">3</a>,
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<a href="#alg-expand-property-scoped-context2">8</a>,
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<a href="#alg-expand-each-key-value">13</a>,
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and <a href="#alg-expand-resolve-nest">14</a>
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using <var>nested value</var> for <var>element</var>.
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using <var>nesting-key</var> for <var>active property</var>, and
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<var>nested value</var> for <var>element</var>.
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<div class="note">Steps <a href="#alg-expand-property-scoped-context">3</a>
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and <a href="#alg-expand-property-scoped-context2">8</a>
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may update the <var>active context</var> based on a
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property-scoped context associated with <var>nesting-key</var>.
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Updates to <var>active context</var> are restricted to the
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recursive operation, and do not propogate to subsequent iterations
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on <var>nested value</var> and <var>nesting-key</var>.</div>
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<div class="note">By invoking steps <a href="#alg-expand-each-key-value">13</a>
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and <a href="#alg-expand-resolve-nest">14</a> on <var>nested value</var>
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we are able to unfold arbitrary levels of nesting, with results being merged into

‎tests/expand/c035-in.jsonld

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{
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"@context": {
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"@version": 1.1,
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"@base": "http://example.org/base/",
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"@vocab": "http://purl.org/dc/terms/",
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"bibo": "http://purl.org/ontology/bibo/",
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"Print": "bibo:Book",
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"name": "http://www.w3.org/2000/01/rdf-schema#label",
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"instanceOf": "@nest",
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"contributionByRole": {
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"@id": "@nest",
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"@context": {
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"agent": "@nest",
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"aut": "creator"
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}
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},
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"provisionActivityByType": {
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"@id": "@nest",
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"@context": {
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"Publication": {
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"@id": "@nest",
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"@context": {"date": "published", "agent": "publisher"}
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}
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}
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},
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"identifiedByType": {
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"@id": "@nest",
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"@context": {
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"Isbn": {"@id": "@nest"},
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"value": "bibo:isbn"
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}
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}
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},
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"@id": "book/one",
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"@type": "Print",
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"instanceOf": {
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"contributionByRole": {
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"aut": {
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"agent": {"name": "Some Body"}
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}
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}
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},
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"identifiedByType": {
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"Isbn": {
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"value": "1234567890"
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}
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},
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"provisionActivityByType": {
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"Publication": {
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"date": "1999",
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"agent": {"name": "PubCorp"}
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}
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}
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}

‎tests/expand/c035-out.jsonld

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[{
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"@id": "http://example.org/base/book/one",
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"@type": ["http://purl.org/ontology/bibo/Book"],
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"http://purl.org/dc/terms/creator": [{
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"http://www.w3.org/2000/01/rdf-schema#label": [{"@value": "Some Body"}]
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}],
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"http://purl.org/ontology/bibo/isbn": [{"@value": "1234567890"}],
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"http://purl.org/dc/terms/published": [{"@value": "1999"}],
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"http://purl.org/dc/terms/publisher": [{
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"http://www.w3.org/2000/01/rdf-schema#label": [{"@value": "PubCorp"}]
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}]
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}]

‎tests/toRdf/c035-in.jsonld

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{
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"@context": {
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"@version": 1.1,
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"@base": "http://example.org/base/",
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"@vocab": "http://purl.org/dc/terms/",
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"bibo": "http://purl.org/ontology/bibo/",
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"Print": "bibo:Book",
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"name": "http://www.w3.org/2000/01/rdf-schema#label",
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"instanceOf": "@nest",
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"contributionByRole": {
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"@id": "@nest",
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"@context": {
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"agent": "@nest",
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"aut": "creator"
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}
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},
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"provisionActivityByType": {
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"@id": "@nest",
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"@context": {
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"Publication": {
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"@id": "@nest",
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"@context": {"date": "published", "agent": "publisher"}
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}
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}
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},
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"identifiedByType": {
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"@id": "@nest",
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"@context": {
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"Isbn": {"@id": "@nest"},
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"value": "bibo:isbn"
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}
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}
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},
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"@id": "book/one",
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"@type": "Print",
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"instanceOf": {
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"contributionByRole": {
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"aut": {
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"agent": {"name": "Some Body"}
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}
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}
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},
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"identifiedByType": {
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"Isbn": {
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"value": "1234567890"
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}
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},
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"provisionActivityByType": {
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"Publication": {
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"date": "1999",
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"agent": {"name": "PubCorp"}
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}
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}
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}

‎tests/toRdf/c035-out.nq

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<http://example.org/base/book/one> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Book> .
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<http://example.org/base/book/one> <http://purl.org/dc/terms/published> "1999" .
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<http://example.org/base/book/one> <http://purl.org/ontology/bibo/isbn> "1234567890" .
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<http://example.org/base/book/one> <http://purl.org/dc/terms/creator> _:b0 .
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<http://example.org/base/book/one> <http://purl.org/dc/terms/publisher> _:b1 .
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_:b0 <http://www.w3.org/2000/01/rdf-schema#label> "Some Body" .
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_:b1 <http://www.w3.org/2000/01/rdf-schema#label> "PubCorp" .

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