[css-color-4] clarify ASCII case insensitive

css-color-4/Overview.bs

@@ -546,7 +546,7 @@ Named Colors</h3>
 	A <dfn>&lt;named-color></dfn> is written as an <<ident>>,
 	accepted anywhere a <<color>> is.
 	As usual for CSS-defined <<ident>>s,
-	all of these keywords are case-insensitive.
+	all of these keywords are <a href="https://infra.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a>.
 
 	The names resolve to colors in sRGB.
 
@@ -934,7 +934,7 @@ System Colors</h3>
 	</dl>
 
 	Note: As with all other [=CSS/keywords=],
-	these names are case-insensitive.
+	these names are <a href="https://infra.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a>.
 	They are shown here with mixed capitalization for legibility.
 
 	For systems that do not have a particular system UI concept,
@@ -1017,7 +1017,7 @@ The ''<color>/currentcolor'' keyword</h3>
 	rather than a CSS value.
 	Only later did CSS pick it up,
 	at which point the capitalization stopped mattering,
-	as CSS keywords are case-insensitive.
+	as CSS keywords are <a href="https://infra.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a>.
 
 
 <h2 id='the-hsl-notation'>
@@ -2821,6 +2821,7 @@ Changes</h2>
 5 November 2019</a></h3>
 
 <ul>
+	<li>Clarified that color names are ACII case insensitive</li>
 	<li>Initial value of the "color" property is now CanvasText</li>
 	<li>Removed confusing gray() function per CSS WG resolution</li>
 	<li>Collect scattered definitions into new

css-fonts-4/Overview.bs

@@ -2352,7 +2352,7 @@ and cause the declaration to be ignored.
 Individual codepoints are written using hexadecimal values that correspond to
 <a href="https://www.unicode.org/charts/">Unicode character codepoints</a>.
 Unicode codepoint values must be between 0 and 10FFFF inclusive. Digit
-values of codepoints are ASCII case-insensitive. For interval ranges,
+values of codepoints are <a href="https://infra.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a>. For interval ranges,
 the start and end codepoints must be within the range noted above and
 the end codepoint must be greater than or equal to the start
 codepoint.
@@ -6490,6 +6490,8 @@ Changes
 <!-- new ones at the top -->
 
 <ul>
+	<li>Clarified that color names are ACII case insensitive</li>
+	<li>Add a security and privacy section</li>
 	<li>Clarify colorspace of palette entries</li>
 	<li>Add the value none to font-palette</li>
 	<li>Mark font-palette and @font-palette-values as at-risk</li>