[css-color-5][editorial] Update changes

Author: svgeesus

css-color-5/Overview.bs

@@ -3625,7 +3625,15 @@ This specification adds a way to ensure adequate contrast for text whose backgro
 </h3>
 
 <ul>
-	<!-- to 26 March 2025 -->
+	<!-- to 3 June 2025 -->
+	<li>Clarified fetching external URLs for style resources</li>
+	<li>Clarified that sole item in color-mix() is returned in the specified color space</li>
+	<li>Made color mixing algorithm pass the normalization flag</li>
+	<li>Made color-mix() accept 1+ arguments, to match *-mix() in general</li>
+	<li>Ported definitions for colors that "resolve to sRGB" and "support legacy color syntax" from CSS Color 4</li>
+	<li>Added sample javascript code for naively converting from device-cmyk</li>
+	<li>Added worked example of color-mix() using device-cmyk fallback color</li>
+	<li>Explicitly clarified (rather than inferring) that there is no RCS for device-cmyk()</li>
 	<li>Defined that in color-mix(), if the percentages sum to zero, return transparent</li>
 	<li>Properly exported the term "required conversion"</li>
 </ul>