[css-tables] Improved readability of fixup step 1

Author: FremyCompany

css-tables-3/Overview.bs

@@ -309,23 +309,21 @@ spec:css22; type:property; text:display
 			The following steps are performed in three stages:
 
 			<ol>
-				<li><b>Remove irrelevant boxes:</b>
+				<li><b>Remove irrelevant boxes:</b><br/>
+					The following boxes are discarded as if they were <code>display:none</code>:
 					<ol>
-						<li>Children of a <a>table-column</a> are treated as if they had <code>display: none</code>.
+						<li>Children of a <a>table-column</a>.
 
-						<li>Children of a <a>table-column-group</a> which are not a <a>table-column</a> are treated
-							as if they had <code>display: none</code>.
+						<li>Children of a <a>table-column-group</a> which are not a <a>table-column</a>.
 
 						<li>Anonymous inline boxes which contain only white space and
-							are between two immediate siblings each of which is a <a>table-non-root</a> box,
-							are treated as if they had <code>display: none</code>.
+							are between two immediate siblings each of which is a <a>table-non-root</a> box.
 
-						<li>Anonymous inline boxes which meet all of the following criteria
-						    are treated as though they had <code>display: none</code>.
+						<li>Anonymous inline boxes which meet all of the following criteria:
 							<ul>
-								<li>contains only white space
-								<li>are the first and/or last child of a <a>tabular container</a>
-								<li>whose immediate sibling, if it has any siblings at all, is a <a>table-non-root</a> box
+								<li>they contain only white space
+								<li>they are the first and/or last child of a <a>tabular container</a>
+								<li>whose immediate sibling, if any, is a <a>table-non-root</a> box
 							</ul>
 					</ol>
 				</li>