[css-grid] bikeshed fixups

Author: tabatkins

css-grid/Overview.bs

@@ -726,7 +726,7 @@ Z-axis Ordering: the 'z-index' property</h3>
 
 	<a>Grid items</a> can overlap when they are positioned into intersecting <a>grid areas</a>,
 	or even when positioned in non-intersecting areas because of negative margins or positioning.
-	The painting order of <a>grid items</a> is exactly the same as inline blocks [CSS21],
+	The painting order of <a>grid items</a> is exactly the same as inline blocks [[CSS21]],
 	except that <a>order-modified document order</a> is used in place of raw document order,
 	and 'z-index' values other than <a value for=z-index>auto</a> create a stacking context even if 'position' is ''static''.
 	Thus the 'z-index' property can easily be used to control the z-axis order of grid items.
@@ -821,11 +821,11 @@ Track Sizing: the 'grid-template-rows' and 'grid-template-columns' properties</h
 	The 'grid-template-columns' property specifies the <a>track list</a> for the grid's columns,
 	while 'grid-template-rows' specifies the <a>track list</a> for the grid's rows.
 
-	The <dfn value for="grid-template-rows grid-template-columns">none</dfn> value indicates that there is no <a>explicit grid</a>;
+	The <dfn value for="grid-template-rows, grid-template-columns">none</dfn> value indicates that there is no <a>explicit grid</a>;
 	any rows/columns will be implicitly generated,
 	and their size will be determined by the 'grid-auto-rows' and 'grid-auto-columns' properties.
 
-	The <dfn value for="grid-template-rows grid-template-columns">subgrid</dfn> value indicates that the grid will align to its parent grid in that axis.
+	The <dfn value for="grid-template-rows, grid-template-columns">subgrid</dfn> value indicates that the grid will align to its parent grid in that axis.
 	Rather than specifying the sizes of rows/columns explicitly,
 	they'll be taken from the parent grid's definition.
 
@@ -841,7 +841,7 @@ Track Sizing: the 'grid-template-rows' and 'grid-template-columns' properties</h
 
 	Where:
 
-	<dl dfn-for="grid-template-columns grid-template-rows" dfn-type=value>
+	<dl dfn-for="grid-template-columns, grid-template-rows" dfn-type=value>
 		<dt><dfn><<length>></dfn>
 		<dd>
 			A non-negative length, as defined by CSS3 Values. [[!CSS3VAL]]
@@ -1820,7 +1820,7 @@ Placing Grid Items</h2>
 
 	A definite value for any two of <var>Start</var>, <var>End</var>, and <var>Span</var> in a given dimension implies a definite value for the third.
 
-	The following table summarizes the conditions under which a grid position or span is <a title>definite</a> or <a title>automatic</a>:
+	The following table summarizes the conditions under which a grid position or span is <i lt>definite</i> or <i lt>automatic</i>:
 
 	<table class='data'>
 		<thead>
@@ -2046,7 +2046,7 @@ Line-based Placement: the 'grid-row-start', 'grid-column-start', 'grid-row-end',
 	</pre>
 
 	<pre>
-		<dfn for="grid-row-start grid-column-start grid-row-end grid-column-end"><<grid-line>></dfn> =
+		<dfn for="grid-row-start, grid-column-start, grid-row-end, grid-column-end"><<grid-line>></dfn> =
 		  auto |
 		  <<custom-ident>> |
 		  [ <<integer>> && <<custom-ident>>? ] |