[css-values-4][editorial] Clean up bikeshed errors

Author: tabatkins

css-values-4/Overview.bs

@@ -19,6 +19,9 @@ Include Can I Use Panels: yes
 <pre class='link-defaults'>
 spec: css2;
 	type: property; text: border-collapse
+spec: css-backgrounds-3; type: property;
+	text: border-color
+	text: box-shadow
 spec: css-color-4; type: value; text: currentcolor
 spec: css-color-5; type: type; text: <color>
 spec: css-color-5; type:type; text: <absolute-color-function>
@@ -29,6 +32,7 @@ spec: css-sizing-3; type: property;
 spec: cssom-1; type:dfn; text:owner node; for:CSSStyleSheet;
 spec: selectors-4; type: type; text: <q-name>
 spec: infra; type: dfn; text: string;
+spec: css-2023; type: dfn; text: ua
 </pre>
 <pre class="ignored-specs">
 spec: css-device-adapt-1;
@@ -58,11 +62,11 @@ Introduction</h2>
 <h3 id="placement">
 Module Interactions</h3>
 
-	This module replaces and extends the data type definitions in [[!CSS21]]
+	This module replaces and extends the data type definitions in [[!CSS2]]
 	sections
-	<a href="https://www.w3.org/TR/CSS21/about.html#value-defs">1.4.2.1</a>,
-	<a href="https://www.w3.org/TR/CSS21/syndata.html#values">4.3</a>,
-	and <a href="https://www.w3.org/TR/CSS21/aural.html#aural-intro">A.2</a>.
+	<a href="https://www.w3.org/TR/CSS2/about.html#value-defs">1.4.2.1</a>,
+	<a href="https://www.w3.org/TR/CSS2/syndata.html#values">4.3</a>,
+	and <a href="https://www.w3.org/TR/CSS2/aural.html#aural-intro">A.2</a>.
 
 <!--
  ██████  ██    ██ ██    ██ ████████    ███    ██     ██
@@ -892,7 +896,7 @@ Quoted Strings: the <<string>> type</h3>
 
 	<div class=example>
 		Double quotes cannot occur inside double quotes, unless
-		<a href="https://www.w3.org/TR/CSS21/syndata.html#escaped-characters">escaped</a>
+		<a href="https://www.w3.org/TR/CSS2/syndata.html#escaped-characters">escaped</a>
 		(as <code>"\""</code> or as <code>"\22"</code>).
 		Analogously for single quotes (<code>&#39;\&#39;&#39;</code> or <code>&#39;\27&#39;</code>).
 
@@ -1251,7 +1255,7 @@ Range Restrictions and Range Definition Notation</h3>
 	Properties can restrict numeric values to some range.
 	If the value is outside the allowed range,
 	then unless otherwise specified,
-	the declaration is invalid and must be <a href="https://www.w3.org/TR/CSS21/conform.html#ignore">ignored</a>.
+	the declaration is invalid and must be <a href="https://www.w3.org/TR/CSS2/conform.html#ignore">ignored</a>.
 	Range restrictions can be annotated in the numeric type notation
 	using <dfn export local-lt="bracketed range notation">CSS bracketed range notation</dfn>--
 	<code>[<var>min</var>,<var>max</var>]</code>--
@@ -1723,7 +1727,7 @@ Distance Units: the <<length>> type</h2>
 
 	Properties may restrict the length value to some range.
 	If the value is outside the allowed range,
-	the declaration is invalid and must be <a href="https://www.w3.org/TR/CSS21/conform.html#ignore">ignored</a>.
+	the declaration is invalid and must be <a href="https://www.w3.org/TR/CSS2/conform.html#ignore">ignored</a>.
 
 	<wpt>
 	css/mediaqueries/min-width-001.xht
@@ -2115,7 +2119,7 @@ Font-relative Lengths: the ''em'', ''rem'', ''ex'', ''rex'', ''cap'', ''rcap'',
 Viewport-percentage Lengths: the ''*vw'', ''*vh'', ''*vi'', ''*vb'', ''*vmin'', ''*vmax'' units</h4>
 
 	The <dfn export>viewport-percentage lengths</dfn> are relative to the size of the
-	<a href="https://www.w3.org/TR/CSS21/visudet.html#containing-block-details">initial containing block</a>--
+	<a href="https://www.w3.org/TR/CSS2/visudet.html#containing-block-details">initial containing block</a>--
 	which is itself based on the size of either
 	the viewport (for [=continuous media=])
 	or the [=page area=] (for [=paged media=]).
@@ -2660,7 +2664,7 @@ Duration Units: the <<time>> type and ''s'', ''ms'' units</h3>
 
 	Properties may restrict the time value to some range.
 	If the value is outside the allowed range,
-	the declaration is invalid and must be <a href="https://www.w3.org/TR/CSS21/conform.html#ignore">ignored</a>.
+	the declaration is invalid and must be <a href="https://www.w3.org/TR/CSS2/conform.html#ignore">ignored</a>.
 
 	<wpt>
 	css/css-values/calc-time-values.html
@@ -4673,7 +4677,7 @@ Computed Value</h3>
 	e.g. ''calc(100% - 100% + 1px)'' resolves to ''calc(0% + 1px)'',
 	not to ''1px''.
 	If there are special rules for computing percentages in a value
-	(e.g. <a href="https://www.w3.org/TR/CSS21/visudet.html#the-height-property">the <css>height</css> property</a>),
+	(e.g. <a href="https://www.w3.org/TR/CSS2/visudet.html#the-height-property">the <css>height</css> property</a>),
 	they apply whenever a [=math function=] contains percentages.
 
 	The [=calculation tree=] is again simplified at [=used value=] time;