Change note: surrogates are excluded from Unicode escape sequences

Author: afs

Diff for: spec/index.html

@@ -12239,6 +12239,9 @@ <h2>Changes between SPARQL 1.1 Query Language and SPARQL 1.2 Query Language</h2>
                   <a data-cite="RDF12-CONCEPTS#dfn-language-tag">language tag</a> and
                   <a data-cite="RDF12-CONCEPTS#dfn-base-direction">base direction</a>:
                   `LANGDIR`, `hasLANG`, hasLANGDIR, and `STRLANGDIR`</li>
+                <li>Define parser input as being an 
+                  <a data-cite="RDF12-CONCEPTS#dfn-rdf-term">RDF string</a>. 
+                  Exclude Unicode surrogates from Unicode escape sequences.</li>
                 <li>Remove concepts of plain and simple literals, in favor of explicit mentions of `xsd:string`</li>
                 <li>Migrate XML Schema references to 1.1</li>
                 <li>Update references to XPath from 2.0 to 3.1</li>