[css-color-4][editorial] algorithm formatting

Author: svgeesus

css-color-4/Overview.bs

@@ -6130,22 +6130,22 @@ Sample Pseudocode for the Ray Trace Gamut Mapping</h4>
 		<li>let |direction| be a 3-element array</li>
 		<li>for (i = 0; i < 3; i++): 
 			<ul>
-				<li>let |a| be |start|[i]</li>
-				<li>let |b| be |end|[i]</li>
+				<li>let |a| be |start| <i>[i]</i></li>
+				<li>let |b| be |end| <i>[i]</i></li>
 				<li>let |d| be |b| - |a|</li>
-				<li>let |direction|[i] be |d|</li>
+				<li>let |direction|<i>[i]</i> be |d|</li>
 				<!--  Non parallel cases -->
 				<li>if (d != 0):
 					<ul>
 						<li>let |inv_d| be 1 / |d|</li>
-						<li>let |t1| be (|bmin|[i] - |a|) * |inv_d|</li>
-						<li>let |t2| be (|bmax|[i] - |a|) * |inv_d|</li>
+						<li>let |t1| be (|bmin| <i>[i]</i> - |a|) * |inv_d|</li>
+						<li>let |t2| be (|bmax| <i>[i]</i> - |a|) * |inv_d|</li>
 						<li>let |tnear| be max(min(|t1|, |t2|), |tnear|)</li>
 						<li>let |tfar| be min(max(|t1|, |t2|), |tfar|)</li>
 					</ul>
 				</li>
 				<!-- Impossible parallel case -->
-				<li>else if (|a| &lt; |bmin|[i] or |a| > |bmax|[i])
+				<li>else if (|a| &lt; |bmin| <i>[i]</i> or |a| > |bmax| <i>[i]</i>)
 					<ul>
 						<li>return INTERSECTION NOT FOUND</li>
 					</ul>
@@ -6172,7 +6172,7 @@ Sample Pseudocode for the Ray Trace Gamut Mapping</h4>
 		</li>
 		<li>for (i =0; i lt; 3; i++):
 			<ul>
-				<li>let |end|[i] be |start|[i] + |direction|[i] * |tnear|</li>
+				<li>let |end| <i>[i]</i> be |start| <i>[i]</i> + |direction| <i>[i]</i> * |tnear|</li>
 			</ul>
 		</li>
 		<li>return |end|</li>