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Forbid duplicated variables in VALUES #294

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Forbid duplicated variables in VALUES #294

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19d00a7
Forbid repeated variables in VALUES
Tpt Sep 30, 2025
2db3681
improve wording
Tpt Sep 30, 2025
bd32e3a
Improve wording
Tpt Oct 1, 2025
d085a69
rewording
Tpt Oct 2, 2025
afe1775
Update spec/index.html
Tpt Oct 2, 2025
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5 changes: 4 additions & 1 deletion spec/index.html
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Expand Up @@ -2684,6 +2684,7 @@ <h4>VALUES syntax</h4>
<pre class="data nohighlight">
VALUES (?z) { ("abc") ("def") }
</pre>
<p>Note that the same variable cannot be mentioned multiple times within the variables list of a VALUES clause.</p>
</section>
<section id="inline-data-examples">
<h4>VALUES Examples</h4>
Expand Down Expand Up @@ -11124,8 +11125,9 @@ <h3>Grammar</h3>
<code>DELETE</code>,
nor in <code><a href="#rDeleteData">DELETE DATA</a></code>.</li>
<li>Rules for limiting the use of blank node identifiers are given in <a href="#grammarBNodes">section 19.6</a>.</li>
<li>The number of variables in the variable list of <code>VALUES</code> block
<li>The number of variables in the variable list of a <code>VALUES</code> block
must be the same as the number of each list of associated values in the <code>DataBlock</code>.</li>
<li>Variables in the variable list of a <code>VALUES</code> block must be unique within that list.</li>
<li>Variables introduced by <code>AS</code> in a <code>SELECT</code> clause
must not already be <a href="#variableScope">in-scope</a>.</li>
<li>The variable assigned in a <code>BIND</code> clause must not be already
Expand Down Expand Up @@ -12614,6 +12616,7 @@ <h2>Changes between SPARQL 1.1 Query Language and SPARQL 1.2 Query Language</h2>
<li>Migrate XML Schema references to 1.1</li>
<li>Update references to XPath from 2.0 to 3.1</li>
<li>Define `EBV` as a functional form.</li>
<li>Forbid duplicated variables in `VALUES`.</li>
</ul>
</li>
<li>
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