[selectors-4] Linkify every instance of 'case-sensitive' and 'case-insensitive' to the correct definitions.

Author: tabatkins

selectors-4/Overview.bs

@@ -185,7 +185,7 @@ Selectors Overview</h2>
 			<tr>
 				<td><code>E[foo="bar" s]</code>
 				<td>an E element whose <code>foo</code> attribute value is
-						exactly and case-sensitively equal to <code>bar</code>
+						exactly and [=case-sensitively=] equal to <code>bar</code>
 				<td>[[#attribute-case]]
 				<td>4
 			<tr>
@@ -934,7 +934,7 @@ Internal Structure</h4>
 <h3 id="case-sensitive">
 Characters and case sensitivity</h3>
 
-	All Selectors syntax is case-insensitive within the ASCII range
+	All Selectors syntax is [=ASCII case-insensitive=]
 	(i.e. [a-z]  and \[A-Z] are equivalent),
 	except for the parts
 	that are not under the control of Selectors:
@@ -1239,7 +1239,7 @@ The Relational Pseudo-class: '':has()''</h3>
 		...would result matching any <code>&lt;section></code> element
 		which contains anything that's not a heading element.
 	</div>
-	
+
 	Supporting the '':has()'' pseudo-class is not required to conform to this specification.
 
 
@@ -1387,20 +1387,20 @@ The Defined Pseudo-class: '':defined''</h3>
 	The <dfn id='defined-pseudo'>:defined</dfn> <a>pseudo-class</a> matches elements
 	that are fully defined,
 	as dictated by the host language.
-	
+
 	If the host language does not have this sort of distinction,
 	all elements in it match '':defined''.
 
 	<div class="example">
 		In HTML, all built-in elements are always considered to be defined,
 		so the following example will always match:
-		
+
 		<pre highlight=css>p:defined { ... }</pre>
-		
+
 		[=Custom elements=], on the other hand,
 		start out <em>un</em>defined,
 		and only become defined when <l spec=html>[=element definition|properly registered=]</l>.
-		This means the '':defined'' pseudo-class 
+		This means the '':defined'' pseudo-class
 		can be used to hide a custom element
 		until it has been registered:
 
@@ -1575,22 +1575,23 @@ Case-sensitivity</h3>
 	By default case-sensitivity of attribute names and values in selectors
 	depends on the document language.
 
-	To match attribute values case-insensitively
+	To match attribute values [=ASCII case-insensitively=]
 	regardless of document language rules,
 	the attribute selector may include the identifier <code>i</code>
 	before the closing bracket (<code>]</code>).
 	When this flag is present,
 	UAs must match the attribute's value
-	case-insensitively within the ASCII range.
+	[=ASCII case-insensitively=]
+	(i.e. [a-z] and \[A-Z] are considered equivalent).
 
 	Alternately, the attribute selector may include the identifier <code>s</code>
 	before the closing bracket (<code>]</code>);
-	in this case the UA must match the value case-sensitively (if possible)
+	in this case the UA must match the value [=case-sensitively=]
 	regardless of document language rules.
 
 	Like the rest of Selectors syntax,
-	the <code>i</code> and <code>s</code> identifiers are
-	<a href="#case-sensitive">case-insensitive</a> within the ASCII range.
+	the <code>i</code> and <code>s</code> identifiers themselves
+	are [=ASCII case-insensitive=].
 
 	<div class="example">
 		The following rule will style the <code>frame</code> attribute when it
@@ -1619,8 +1620,8 @@ Case-sensitivity</h3>
 			 a later level -->
 
 	Note: Some document models normalize case-insensitive attribute values
-	at parse time such that case-sensitive matching is impossible.
-	Case-sensitive matching via <code>s</code> flags is only possible
+	at parse time such that [=case-sensitive=] matching is impossible.
+	[=Case-sensitive=] matching via <code>s</code> flags is only possible
 	in systems that preserve the original case.
 
 <h3 id="attrnmsp">
@@ -1792,8 +1793,8 @@ Class selectors</h3>
 	this specification.
 
 	When matching against a document which is in <a>quirks mode</a>,
-	class names must be matched <a lt="ASCII case-insensitive">ASCII case-insensitively</a>;
-	class selectors are otherwise case-sensitive.
+	class names must be matched [=ASCII case-insensitively=];
+	class selectors are otherwise [=case-sensitive=].
 
 <h3 id="id-selectors">
 ID selectors</h3>
@@ -1849,8 +1850,8 @@ ID selectors</h3>
 	DOM3 Core, XML DTDs, and namespace-specific knowledge.
 
 	When matching against a document which is in <a>quirks mode</a>,
-	IDs must be matched <a lt="ASCII case-insensitive">ASCII case-insensitively</a>;
-	ID selectors are otherwise case-sensitive.
+	IDs must be matched [=ASCII case-insensitively=];
+	ID selectors are otherwise [=case-sensitive=].
 
 <h2 id="linguistic-pseudos">
 Linguistic Pseudo-classes</h2>
@@ -1921,7 +1922,7 @@ The Language Pseudo-class: '':lang()''</h3>
 	its <a>content language</a>, as represented in BCP 47 syntax,
 	matches the given <a>language range</a> in an <var>extended filtering</var>
 	operation per [[RFC4647]] <cite>Matching of Language Tags</cite> (section 3.3.2).
-	The matching is performed case-insensitively within the ASCII range.
+	The matching is performed [=ASCII case-insensitively=].
 	The <a>language range</a> does not need to be a valid language code to
 	perform this comparison.