[css-grid] Add note requested by Emil <https://lists.w3.org/Archives/Public/www-style/2015Jul/0396.html>

Author: fantasai

css-grid/Overview.bs

@@ -1104,6 +1104,10 @@ Track Sizing: the 'grid-template-rows' and 'grid-template-columns' properties</h
 		</pre>
 	</div>
 
+	Note: The size of the grid is not purely the sum of the track sizes,
+	as 'grid-row-gap', 'grid-column-gap' and  'justify-content', 'align-content'
+	can add additional space between tracks.
+
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css-grid/issues-wd-20150806.txt

@@ -8,7 +8,7 @@ From:     François Remy
 Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0293.html
 Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0313.html
 Response: https://lists.w3.org/Archives/Public/www-style/2015May/0113.html
-Open
+Closed:   Accepted
 Note:     Originally Issue 12 in issues-wd-20150108
 ----
 Issue 2.
@@ -18,18 +18,22 @@ Comment:  https://lists.w3.org/Archives/Public/www-style/2015Mar/0273.html
 Response: https://lists.w3.org/Archives/Public/www-style/2015May/0314.html
 Open
 Note:     Originally Issue 15 in issues-wd-20150108
+Note:     Also https://drafts.csswg.org/css-flexbox/issues-lc-20150514#issue-11
 ----
 Issue 3.
 Summary:  Should the width of a column be included in the track size?
 From:     fantasai
 Comment:  https://lists.w3.org/Archives/Public/www-style/2015Aug/0064.html
-Open
+Response: https://lists.w3.org/Archives/Public/www-style/2015Aug/0074.html
+Closed:   Retracted
 ----
 Issue 4.
 Summary:  Require author tools to reorder source to match grid unless requested
 From:     fantasai
 Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jun/0180.html
-Open
+Response: https://lists.w3.org/Archives/Public/www-style/2015Aug/0348.html
+Closed:   Accepted
+Resolved: https://lists.w3.org/Archives/Public/www-style/2015Sep/0064.html
 ----
 Issue 5.
 Summary:  Cross-reference track gaps from grid-template-rows/cols
@@ -54,5 +58,6 @@ Open
 Issue 8.
 Summary:  Should 'justify-content: stretch' stretch only auto-sized tracks or all tracks?
 From:     fantasai
-Open
+Closed:   Retracted
+Resolved: https://lists.w3.org/Archives/Public/www-style/2015Sep/0093.html
 ----