[selectors-4] Restore phrase limiting :any-link to a/area with href attrs. Reverts error introduced in 0ea038e

Author: fantasai

selectors-4/Overview.bs

@@ -36,6 +36,7 @@ spec:css-pseudo-4; type:selector;
 	text: ::after
 	text: ::first-line
 	text: ::first-letter
+spec:html; type:element-attr; for:a; text:href
 </pre>
 
 <style>
@@ -2023,7 +2024,7 @@ The Hyperlink Pseudo-class: '':any-link''</h3>
 	The <dfn id='any-link-pseudo'>:any-link</dfn> pseudo-class represents an element
 	that acts as the source anchor of a hyperlink.
 	For example, in [[HTML5]],
-	any <{a}> or <{area}> elements are hyperlinks,
+	any <{a}> or <{area}> elements with an <{a/href}> attribute are hyperlinks,
 	and thus match <code>:any-link</code>.
 	It matches an element if the element would match either '':link'' or '':visited'',
 	and is equivalent to '':is(:link, :visited)''.