[css-tables] Made multiple editorial changes and clarified areas for TPAC discussions

Author: Greg Whitworth

css-tables-3/Overview.bs

@@ -296,14 +296,23 @@ spec:css21; type:property; text:max-width
 						<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>Anonymous inline boxes which contains only white space,
-							are the first or last child of a <a>tabular container</a>,
-							and whose immediately preceding or following sibling (if any) is a <a>table-non-root</a> element,
+						<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>.
 
-						<li>Anonymous inline boxes which contains only white space and
-							are between two immediate siblings each of which is a <a>table-non-root</a> element,
+						<li>Anonymous inline boxes which contain only white space,
+							are the first and/or last child of a <a>tabular container</a>,
+							and whose immediate sibling (if any) is a <a>table-non-root</a> box,
 							are treated as if they had <code>display: none</code>.
+							<div class="issue">
+								This (combined with previous rule) is a breaking change from <a href="https://drafts.csswg.org/css2/tables.html#anonymous-boxes">CSS 2.1</a>.
+								Edge is the only implementation of the complex version so we might as well drop it.
+								The spec now covers Firefox behavior.
+								Chrome collapses everything which is a bug anyway.
+								<a href="https://jsfiddle.net/nbh4r9u8/1/" class="hint">!!Testcase</a>.
+								<a href="https://jsfiddle.net/nbh4r9u8/2/" class="hint">!Testcase</a>.
+								<a href="https://jsfiddle.net/nbh4r9u8/3/" class="hint">!Testcase</a>.
+							</div>
 
 					</ol>
 				</li>
@@ -329,12 +338,12 @@ spec:css21; type:property; text:max-width
 				<li><b>Generate missing parents:</b>
 					<ol>
 						<li>An anonymous <a>table-row</a> box must be generated
-							around each sequence of consecutive <a>table-cell</a> box
+							around each sequence of consecutive <a>table-cell</a> boxes
 							whose parent is not a <a>table-row</a>.
 							<a class="hint" href="https://jsfiddle.net/hj2w7wwa/5/">Testcase</a>
 
 						<li>An anonymous <a>table</a> or <a>inline-table</a> box must be generated
-							around each sequence of consecutive <a>proper table child</a> box
+							around each sequence of consecutive <a>proper table child</a> boxes
 							which are misparented.
 							If the box's parent is an inline box, 
 								then an <a>inline-table</a> box must be generated;
@@ -618,10 +627,10 @@ spec:css21; type:property; text:max-width
 		</div>
 
 		<p>
-			Apply the <a href="https://www.w3.org/TR/html5/tabular-data.html#forming-a-table">HTML5 Table Formatting algorithm</a> on the HTMLified box tree,
+			Apply the <a href="https://www.w3.org/TR/html5/tabular-data.html#forming-a-table">HTML5 Table Formatting algorithm</a>,
 				where boxes act like <a href="#display-types">the HTML element equivalent to their display type</a>,
 				and use the attributes of their originating element only if it as an HTML element of the same type
-				(otherwise, they act like if they didnt't have any attribute).
+				(otherwise, they act like they didnt't have any attribute).
 
 		<p class="note">
 			The HTML Table Formatting algorithm sometimes generates more tracks than necessary to layout the table properly.