[css-grid] Switch the complex grid-template syntax to use <track-list> rather than <'grid-template-columns'>, so it doesn't accidentally inherit subgrid ability.

Author: tabatkins

css-grid/Overview.html

@@ -1789,9 +1789,8 @@ <h3 id=grid-template-property><span class=secno>5.3. </span> The ‘<a
      <td>none | <var>&lt;‘<a href="#grid-template-columns"><code
       class=property>grid-template-columns</code></a>’></var> /
       <var>&lt;‘<a href="#grid-template-rows"><code
-      class=property>grid-template-rows</code></a>’></var> | [
-      <var>&lt;‘<a href="#grid-template-columns"><code
-      class=property>grid-template-columns</code></a>’></var> / ]? [ <a
+      class=property>grid-template-rows</code></a>’></var> | [ <a
+      href="#lttrack-list"><var>&lt;track-list></var></a> / ]? [ <a
       href="#ltline-names"><var>&lt;line-names></var></a>?
       <var>&lt;string></var> [ <a
       href="#lttrack-size"><var>&lt;track-size></var></a> <a
@@ -1866,8 +1865,8 @@ <h3 id=grid-template-property><span class=secno>5.3. </span> The ‘<a
 grid-template-areas: none;</pre>
     </div>
 
-   <dt><dfn id=ltgrid-template-columns-ltline-names-lts>[ <var>&lt;‘<code
-    class=property>grid-template-columns</code>’></var> / ]?<br>
+   <dt><dfn id=lttrack-list-ltline-names-ltstring-lttra>[
+    <var>&lt;track-list></var> / ]?<br>
     [ <var>&lt;line-names></var>? <var>&lt;string></var> [
     <var>&lt;track-size></var> <var>&lt;line-names></var> ]? ]+</dfn>
 
@@ -4027,13 +4026,6 @@ <h2 class=no-num id=index> Index</h2>
     href="#ltgrid-template-columns-ltgrid-template-"
     title="section 5.3."><strong>5.3.</strong></a>
 
-   <li>[ <var>&lt;‘<code
-    class=property>grid-template-columns</code>’></var> / ]? [
-    <var>&lt;line-names></var>? <var>&lt;string></var> [
-    <var>&lt;track-size></var> <var>&lt;line-names></var> ]? ]+, <a
-    href="#ltgrid-template-columns-ltline-names-lts"
-    title="section 5.3."><strong>5.3.</strong></a>
-
    <li>grid-template-rows, <a href="#grid-template-rows"
     title="section 5.1."><strong>5.1.</strong></a>
 
@@ -4150,6 +4142,12 @@ <h2 class=no-num id=index> Index</h2>
    <li>track list, <a href="#track-list"
     title="section 5.1."><strong>5.1.</strong></a>
 
+   <li>[ <var>&lt;track-list></var> / ]? [ <var>&lt;line-names></var>?
+    <var>&lt;string></var> [ <var>&lt;track-size></var>
+    <var>&lt;line-names></var> ]? ]+, <a
+    href="#lttrack-list-ltline-names-ltstring-lttra"
+    title="section 5.3."><strong>5.3.</strong></a>
+
    <li>&lt;track-size>, <a href="#lttrack-size"
     title="section 5.1."><strong>5.1.</strong></a>
   </ul>
@@ -4330,8 +4328,8 @@ <h2 class=no-num id=property-index> Property index</h2>
      <th><a class=property href="#grid-template">grid-template</a>
 
      <td>none | &lt;‘grid-template-columns’> /
-      &lt;‘grid-template-rows’> | [ &lt;‘grid-template-columns’> / ]?
-      [ &lt;line-names>? &lt;string> [ &lt;track-size> &lt;line-names> ]? ]+
+      &lt;‘grid-template-rows’> | [ &lt;track-list> / ]? [
+      &lt;line-names>? &lt;string> [ &lt;track-size> &lt;line-names> ]? ]+
 
      <td>see individual properties
 

css-grid/Overview.src.html

@@ -1349,7 +1349,7 @@ <h3 id='grid-template-property'>
 		<tr>
 			<td>Value:
 			<td>none | <var>&lt;'grid-template-columns'></var> / <var>&lt;'grid-template-rows'></var> |
-				[ <var>&lt;'grid-template-columns'></var> / ]?
+				[ <var>&lt;track-list></var> / ]?
 				[ <var>&lt;line-names></var>? <var>&lt;string></var> [ <var>&lt;track-size></var> <var>&lt;line-names></var> ]? ]+
 
 		<tr>
@@ -1404,7 +1404,7 @@ <h3 id='grid-template-property'>
 grid-template-areas: none;</pre>
 			</div>
 
-		<dt><dfn>[ <var>&lt;'grid-template-columns'></var> / ]?<br>
+		<dt><dfn>[ <var>&lt;track-list></var> / ]?<br>
 				[ <var>&lt;line-names></var>? <var>&lt;string></var> [ <var>&lt;track-size></var> <var>&lt;line-names></var> ]? ]+</dfn>
 		<dd>
 			<ul>