Add title reference for XPATH-FUNCTIONS.

Author: gkellogg

common/terms.html

@@ -1,5 +1,5 @@
 <section><h3>Terms imported from Other Specifications</h3>
-<p>Terms imported from [[[ECMASCRIPT]]] [[ECMASCRIPT]], [[[RFC8259]]] [[RFC8259]], [[[INFRA]]] [[INFRA]], [[XPATH-FUNCTIONS]], and [[[WEBIDL]]] [[WEBIDL]]</p>
+<p>Terms imported from [[[ECMASCRIPT]]] [[ECMASCRIPT]], [[[RFC8259]]] [[RFC8259]], [[[INFRA]]] [[INFRA]], [[[XPATH-FUNCTIONS]]] [[XPATH-FUNCTIONS]], and [[[WEBIDL]]] [[WEBIDL]]</p>
 <dl class="termlist" data-sort>
   <dt><dfn data-cite="INFRA#list" class="preserve">array</dfn></dt><dd>
     In the JSON serialization,
@@ -58,7 +58,7 @@
   <dt><dfn data-cite="XPATH-FUNCTIONS#codepoint-collation" data-lt="code point order|code point ordered|unicode codepoint collation">Unicode code point order</dfn></dt>
   <dd>This refers to determining the order of two Unicode strings (`A` and `B`),
     using <a>Unicode Codepoint Collation</a>,
-    as defined in [[XPATH-FUNCTIONS]],
+    as defined in [[[XPATH-FUNCTIONS]]] [[XPATH-FUNCTIONS]],
     which defines a
     <a href="https://en.wikipedia.org/wiki/Total_order">total ordering</a>
     of <a>strings</a> comparing <a data-cite="INFRA#code-point">code points</a>.