#647: Added at risk issue to pre-binding (#656)

* #647: Added at risk issue to pre-binding

* Update shacl12-sparql/index.html

Co-authored-by: Andy Seaborne <andy@apache.org>

* Update shacl12-sparql/index.html

Co-authored-by: Ted Thibodeau Jr <tthibodeau@openlinksw.com>

---------

Co-authored-by: Andy Seaborne <andy@apache.org>
Co-authored-by: Ted Thibodeau Jr <tthibodeau@openlinksw.com>

Author: 3 people

shacl12-sparql/index.html

@@ -1715,6 +1715,11 @@ <h2>Pre-binding of Variables in SPARQL Queries</h2>
 			<p>
 				Some features of SHACL-SPARQL rely on the concept of <a>pre-binding of variables</a> as defined in this section.
 			</p>
+			<p class="issue atrisk" data-number="647">
+				This feature is "at risk" and may be changed (not removed)
+				to align with currently ongoing work in the RDF and SPARQL 1.2 work in this area.
+				Originally discussed as <a href="https://github.com/w3c/data-shapes/issues/647">Issue 647</a>.
+			</p>
 			<div class="syntax" data-syntax-rule="pre-binding-limitations">
 				<p>
 					The definition of pre-binding used by SHACL requires the following restrictions on SPARQL queries.