[css-grid] Linkify some fr references.

Author: tabatkins

css-grid/Overview.bs

@@ -189,9 +189,10 @@ Declaring the Grid</h3>
 				The following declares a grid with four named areas:
 				<code>H</code>, <code>A</code>, <code>B</code>,
 				and <code>F</code>.
-				The first column is sized to fit its contents,
-				and the second column takes up the remaining space.
-				Rows default to ''grid-template-rows/auto'' (content-based) sizing; the last row is given a fixed size of 30px.
+				The first column is sized to fit its contents (''grid-template-columns/auto''),
+				and the second column takes up the remaining space (<a value lt=fr>1fr</a>).
+				Rows default to ''grid-template-rows/auto'' (content-based) sizing;
+				the last row is given a fixed size of ''30px''.
 				<pre>
 					main {
 					  grid: "H    H "
@@ -201,11 +202,11 @@ Declaring the Grid</h3>
 					}
 				</pre>
 			<li>
-				The following declares a grid with as many rows
-				of at least 5em as will fit in the height of the grid container (''100vh'')
-				and no explicit columns;
-				instead columns are added as content is added.
-				The resulting column widths are equalized.
+				The following declares a grid with as many rows of at least ''5em''
+				as will fit in the height of the grid container (''100vh'').
+				The grid has no explicit columns;
+				instead columns are added as content is added,
+				the resulting column widths are equalized (<a value lt=fr>1fr</a>)
 				Since content overflowing to the right won't print,
 				an alternate layout for printing adds rows instead.
 
@@ -1672,7 +1673,8 @@ Repeat-to-fill: ''auto-fill'' and ''auto-fit'' repetitions</h5>
 <h4 id='fr-unit'>
 Flexible Lengths: the ''fr'' unit</h4>
 
-	A <dfn export>flexible length</dfn> or <dfn><<flex>></dfn> is a dimension with the ''fr'' unit,
+	A <dfn export>flexible length</dfn> or <dfn><<flex>></dfn> is a dimension
+	with the <dfn value for="<flex>" lt="fr|fr unit">fr</dfn> unit,
 	which represents a fraction of the <a>free space</a> in the <a>grid container</a>.
 
 	Note: <<flex>> values are not <<length>>s

css-grid/issues-cr-2016.bsi

@@ -13,7 +13,7 @@ Issue 2.
 Summary:  Cross-reference fr unit from early references
 From:     Jens Oliver Meiert
 Comment:  https://lists.w3.org/Archives/Public/www-style/2016Oct/0095.html
-Open
+Closed:   Accepted
 Resolved: Editorial
 ----
 Issue 3.