[css-text-4] Editorial sentence restructuring

Will made addition of further conditions easier.

Author: frivoal

css-text-4/Overview.bs

@@ -8239,21 +8239,21 @@ Fullwidth Punctuation Collapsing</h4>
 
 	<ul>
 		<li>
-			Set <a>fullwidth opening punctuation</a> half-width if the previous character is
-			a <a>fullwidth opening punctuation</a>,
-			<a>fullwidth middle dot punctuation</a>,
-			or ideographic space (U+3000),
-			or if the previous character is a <a>fullwidth closing punctuation</a>
-			of an equivalent or larger 'font-size'.
-			Else set it full-width.
+			Set <a>fullwidth opening punctuation</a> half-width if the previous character is any of:
+			* a <a>fullwidth opening punctuation</a>
+			* a <a>fullwidth middle dot punctuation</a>
+			* an ideographic space (U+3000)
+			* a <a>fullwidth closing punctuation</a> of an equivalent or larger 'font-size'
+
+			Otherwise set it full-width.
 		<li>
-			Set <a>fullwidth closing punctuation</a> half-width if the next character is
-			a <a>fullwidth closing punctuation</a>,
-			<a>fullwidth middle dot punctuation</a>,
-			or ideographic space (U+3000),
-			or if the next character is a <a>fullwidth opening punctuation</a>
-			of a larger 'font-size'.
-			Else set it full-width.
+			Set <a>fullwidth closing punctuation</a> half-width if the next character is any of:
+			* a <a>fullwidth closing punctuation</a>
+			* a <a>fullwidth middle dot punctuation</a>
+			* an ideographic space (U+3000)
+			* a <a>fullwidth opening punctuation</a> of a larger 'font-size'
+
+			Otherwise set it full-width.
 	</ul>
 
 	<div class="example">