[selectors-4] Fix anchors broken by bikeshed change. :(

Author: fantasai

selectors/Overview.bs

@@ -624,15 +624,15 @@ Scoped Selectors</h3>
 	There are two <dfn export lt="scoping method | selector scoping method">scoping methods</dfn> for selectors:
 
 	<dl>
-		<dt><dfn export lt="scope-contained | scope-contained selector">scope-contained</dfn>
+		<dt><dfn export id="scope-contained" lt="scope-contained | scope-contained selector">scope-contained</dfn>
 		<dd>
 			With this method of scoping, selectors match as if
 			the <a>scoping root</a> were the root of the document:
 			all <a>compound selectors</a> must be represented within the scope.
 			(The '':root'' pseudo-class, however,
 			still only matches the actual root of the document.)
 
-		<dt><dfn export lt="scope-filtered | scope-filtered selector">scope-filtered</dfn>
+		<dt><dfn export id="scope-filtered" lt="scope-filtered | scope-filtered selector">scope-filtered</dfn>
 		<dd>
 			With this method of scoping, a selector matches an element only if the element is within the scope,
 			even if other components of the selector are outside the scope.
@@ -715,7 +715,7 @@ Absolutizing a Relative Selector</h4>
 <h3 id="pseudo-classes">
 Pseudo-classes</h3>
 
-	<dfn export lt="pseudo-class">Pseudo-classes</dfn> are <a>simple selectors</a>
+	<dfn export id="pseudo-class" lt="pseudo-class">Pseudo-classes</dfn> are <a>simple selectors</a>
 	that permit selection based on
 	information that lies outside of the document tree
 	or that can be awkward or impossible to express using the other simple selectors.
@@ -729,7 +729,7 @@ Pseudo-classes</h3>
 	consists of a ":" (U+003A COLON)
 	followed by the name of the <a>pseudo-class</a>
 	as a CSS <a>identifier</a>,
-	and, in the case of a <dfn export>functional pseudo-class</dfn>,
+	and, in the case of a <dfn export id="functional-pseudo-class">functional pseudo-class</dfn>,
 	a pair of parentheses containing its arguments.
 
 	<p class="example">
@@ -758,7 +758,7 @@ Pseudo-classes</h3>
 
 	Similar to how certain <a>pseudo-classes</a> represent additional state information
 	not directly present in the document tree,
-	a <dfn export>pseudo-element</dfn> represents an <em>element</em>
+	a <dfn export id="pseudo-element">pseudo-element</dfn> represents an <em>element</em>
 	not directly present in the document tree.
 	They are used to create abstractions about the document tree
 	beyond those provided by the document tree.
@@ -2382,7 +2382,7 @@ The User-interaction Pseudo-class: '':user-error''</h4>
 <h2 id="structural-pseudos">
 Tree-Structural pseudo-classes</h2>
 
-	Selectors introduces the concept of <dfn>structural pseudo-classes</dfn>
+	Selectors introduces the concept of <dfn id="structural-pseudo-classes">structural pseudo-classes</dfn>
 	to permit selection based on extra information that lies in
 	the document tree but cannot be represented by other simple selectors or
 	combinators.
@@ -2850,7 +2850,7 @@ Child combinator (<code>></code>)</h3>
 <h3 id="adjacent-sibling-combinators">
 Next-sibling combinator (<code>+</code>)</h3>
 
-	The <dfn export>next-sibling combinator</dfn> is made of the “plus sign”
+	The <dfn export id="next-sibling-combinator">next-sibling combinator</dfn> is made of the “plus sign”
 	(U+002B, <dfn selector id=selectordef-adjacent>+</dfn>) code point that separates two
 	<a>compound selectors</a>.
 	The elements represented by the two <a>compound selectors</a>
@@ -2879,7 +2879,7 @@ Next-sibling combinator (<code>+</code>)</h3>
 <h3 id="general-sibling-combinators">
 Following-sibling combinator (<code>~</code>)</h3>
 
-	The <dfn export>following-sibling combinator</dfn> is made of the &quot;tilde&quot;
+	The <dfn export id="following-sibling-combinator">following-sibling combinator</dfn> is made of the &quot;tilde&quot;
 	(U+007E, <dfn selector id=selectordef-sibling>~</dfn>) code point that separates two <a>compound selectors</a>.
 	The elements represented by the two <a>compound selectors</a> share
 	the same parent in the document tree and the element represented by