[css-color-4] Reverted the replacement of "animation" by "interpolation"

Author: SebastianZ

css-color-4/Overview.bs

@@ -1085,12 +1085,12 @@ any achromatic color will have a [=powerless=] hue component.
 		to achieve an effect where you only <em>want</em> 
 		to interpolate certain components of a color.
 
-		For example, to interpolate a color to "grayscale", no matter what the color is,
+		For example, to animate a color to "grayscale", no matter what the color is,
 		one can interpolate it with ''oklch(none 0 none)''.
 		This will take the hue and lightness from the starting color,
-		but interpolate its chroma down to 0,
+		but animate its chroma down to 0,
 		rendering it into an equal-lightness gray
-		with a steady hue across the whole interpolation.
+		with a steady hue across the whole animation.
 
 		Doing this manually would require 
 		matching the hue and lightness of the starting color explicitly.
@@ -4972,7 +4972,7 @@ Hue Interpolation</h3>
 		<span class="swatch" style="--color: rgb(87.66% 51.96% 0%)"></span>&nbsp;oklch(0.7 0.195 60)
 	</div>
 
-	Interpolated angles are adjusted so that |θ₂ - θ₁| ∈ [-180, 180]. In pseudo-Javascript:
+	Angles are adjusted so that |θ₂ - θ₁| ∈ [-180, 180]. In pseudo-Javascript:
 		<pre>
 		if (θ₂ - θ₁ > 180) {
 			θ₁ += 360;
@@ -5019,7 +5019,7 @@ Hue Interpolation</h3>
 
 	Depending on the difference between the two angles, 
 	this will either look the same as <em>shorter</em> or as <em>longer.</em>
-	However, if one of the hue angles is being interpolated,
+	However, if one of the hue angles is being animated,
 	and the hue angle difference passes through 180 degrees,
 	the interpolation will not flip to the other arc.
 
@@ -5031,13 +5031,13 @@ Hue Interpolation</h3>
 		giving a khaki
 		<span class="swatch" style="--color: rgb(51.73% 52.26% 22.03%)"></span>&nbsp;oklch(0.6 0.1 110).
 
-		However, if the hue of the second color is interpolated to
+		However, if the hue of the second color is animated to
 		<span class="swatch" style="--color: rgb(33.09% 66.63% 81.81%)"></span>&nbsp;oklch(0.7 0.1 230),
 		the midpoint of the interpolation will be (30 + 230) * 0.5 = 130 degrees,
 		continuing in the same increasing direction, 
 		giving another green
 		<span class="swatch" style="--color: rgb(42.44% 54.95% 28.93%)"></span>&nbsp;oklch(0.6 0.1 130)
-		rather than flipping to the opponent color part-way through the interpolation.
+		rather than flipping to the opponent color part-way through the animation.
 	</div>
 
 	Angles are adjusted so that |θ₂ - θ₁| ∈ [0, 360). In pseudo-Javascript:
@@ -5058,7 +5058,7 @@ Hue Interpolation</h3>
 
 	Depending on the difference between the two angles,
 	this will either look the same as <em>shorter</em> or as <em>longer.</em>
-	However, if one of the hue angles is being interpolated,
+	However, if one of the hue angles is being animated,
 	and the hue angle difference passes through 180 degrees,
 	the interpolation will not flip to the other arc.
 
@@ -5070,13 +5070,13 @@ Hue Interpolation</h3>
 		giving a purple
 		<span class="swatch" style="--color: rgb(49.98% 46.03% 72.08%)"></span>&nbsp;oklch(0.6 0.1 290).
 
-		However, if the hue of the second color is interpolated to
+		However, if the hue of the second color is animated to
 		<span class="swatch" style="--color: rgb(33.09% 66.63% 81.81%)"></span>&nbsp;oklch(0.7 0.1 230),
 		the midpoint of the interpolation will be (30 + 360 + 230) * 0.5 = 310 degrees,
 		continuing in the same decreasing direction,
 		giving another purple
 		<span class="swatch" style="--color: rgb(57.47% 43.44% 67.8%)"></span>&nbsp;oklch(0.6 0.1 310)
-		rather than flipping to the opponent color part-way through the interpolation.
+		rather than flipping to the opponent color part-way through the animation.
 	</div>
 
 	Angles are adjusted so that |θ₂ - θ₁| ∈ (-360, 0]. In pseudo-Javascript: