[css-tables] Clarify style of anon boxes (fix #1059)

Author: FremyCompany

css-tables-3/Overview.bs

@@ -298,7 +298,7 @@ spec:css22; type:property; text:display
 			a <a>table</a>/<a>inline-table</a> element,
 			a <a>table-row</a> element, and
 			a <a>table-cell</a> element.
-		Missing elements cause the generation of anonymous boxes according to the following rules:
+		Missing elements cause the generation of <a href="#fixup-boxes">anonymous boxes</a> according to the following rules:
 
 		<!--——————————————————————————————————————————————————————————————————————————-->
 		<h4 id="fixup-algorithm">Fixup Algorithm</h4>
@@ -400,6 +400,19 @@ spec:css22; type:property; text:display
 				If you find any mistakes due to these changes please file an issue
 			</div>
 
+		<!--——————————————————————————————————————————————————————————————————————————-->
+		<h4 id="fixup-boxes">Characteristics of fixup boxes</h4>
+
+			Beside their display type, the anonymous boxes created for fixup purposes 
+				do not receive any specific or default styling, 
+				except where otherwise mentioned by this specification.
+				
+			This means 
+				their computed background is “transparent”, 
+				their computed padding is “0px”, 
+				their computed border-style is “none”, and
+				inherited properties get their value from the closest element ancestor of the box.
+
 		<!--——————————————————————————————————————————————————————————————————————————-->
 		<h4 id="fixup-examples">Examples</h4>
 
@@ -685,16 +698,9 @@ spec:css22; type:property; text:display
 				missing cells are rendered as if an anonymous table-cell box occupied their position in the grid
 				(a "missing cell" is a cell in the row/column grid that is not occupied by an element or pseudo-element).
 
-		Once the amount of columns in a table is known, any table-row-group element must be modified such that
-			each of its rows owns enough cells to fill all the columns of the table, when taking spanning into account.
-		New table-cell anonymous boxes must be appended to its rows content until this condition is met.
-
-		Beside their display type, those anonymous boxes do not receive any specific or default styling,
-			except where otherwise mentioned by this specification
-			(meaning
-				their background is “transparent”,
-				their padding is “0px” and
-				their border is “none” by default).
+		Once the amount of columns in a table is known, any table-row box must be modified such that
+			it owns enough cells to fill all the columns of the table, when taking spanning into account.
+		New table-cell <a href="#fixup-boxes">anonymous boxes</a> must be appended to its rows content until this condition is met.
 
 	<!--——————————————————————————————————————————————————————————————————————————-->
 	<h3 id="layout-modes">Table layout modes</h3>