[css-grid] Revert accidental change to grid-auto-flow grammar.

Author: tabatkins

css-grid/Overview.bs

@@ -1479,7 +1479,6 @@ Sizing Auto-generated Rows and Columns: the 'grid-auto-rows' and 'grid-auto-colu
 
 	<pre class='propdef'>
 	Name: grid-auto-flow
-	Value: [ row | column ] || [ dense | stack ]
 	Value: [ row | column ] && dense?  |   stack && [ row | column ]?
 	Initial: row
 	Applies to: <a>grid containers</a>

css-grid/Overview.html

@@ -1569,7 +1569,7 @@ <h3 class="heading settled heading" data-level=6.1 id=auto-tracks><span class=se
 <h3 class="heading settled heading" data-level=6.2 id=grid-auto-flow-property><span class=secno>6.2 </span><span class=content>
 <dfn data-dfn-type=dfn data-noexport="" id=auto-placement title="auto-placement|automatic placement">Automatic Placement<a class=self-link href=#auto-placement></a></dfn>: the <a class=property data-link-type=propdesc href=#propdef-grid-auto-flow title=grid-auto-flow>grid-auto-flow</a> property</span><a class=self-link href=#grid-auto-flow-property></a></h3>
 
-<table class="definition propdef"><tr><th>Name:<td><dfn class=css-code data-dfn-type=property data-export="" id=propdef-grid-auto-flow>grid-auto-flow<a class=self-link href=#propdef-grid-auto-flow></a></dfn><tr><th>Value:<td class=prod>[ row <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a> column ] <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-any title=||>||</a> [ dense <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a> stack ] [ row <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a> column ] <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-all title=&amp;&amp;>&amp;&amp;</a> dense<a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#mult-opt title=?>?</a>  <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a>   stack <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-all title=&amp;&amp;>&amp;&amp;</a> [ row <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a> column ]<a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#mult-opt title=?>?</a><tr><th>Initial:<td>row<tr><th>Applies to:<td><a data-link-type=dfn href=#grid-container title="grid containers">grid containers</a><tr><th>Inherited:<td>no<tr><th>Media:<td>visual<tr><th>Computed value:<td>specified value<tr><th>Percentages:<td>n/a</table>
+<table class="definition propdef"><tr><th>Name:<td><dfn class=css-code data-dfn-type=property data-export="" id=propdef-grid-auto-flow>grid-auto-flow<a class=self-link href=#propdef-grid-auto-flow></a></dfn><tr><th>Value:<td class=prod>[ row <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a> column ] <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-all title=&amp;&amp;>&amp;&amp;</a> dense<a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#mult-opt title=?>?</a>  <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a>   stack <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-all title=&amp;&amp;>&amp;&amp;</a> [ row <a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#comb-one title=|>|</a> column ]<a class=prod-punc data-link-type=grammar href=http://dev.w3.org/csswg/css-values-3/#mult-opt title=?>?</a><tr><th>Initial:<td>row<tr><th>Applies to:<td><a data-link-type=dfn href=#grid-container title="grid containers">grid containers</a><tr><th>Inherited:<td>no<tr><th>Media:<td>visual<tr><th>Computed value:<td>specified value<tr><th>Percentages:<td>n/a</table>
 
 <p><a data-link-type=dfn href=#grid-item title="Grid items">Grid items</a> that aren’t explicitly placed are automatically placed
 	into an unoccupied space in the <a data-link-type=dfn href=#grid-container title="grid container">grid container</a>.
@@ -3425,7 +3425,7 @@ <h2 class="no-num no-ref heading settled heading" id=property-index><span class=
 <tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid-template title=grid-template>grid-template</a><td>none | subgrid | &lt;‘grid-template-columns’&gt; / &lt;‘grid-template-rows’&gt; | [ &lt;track-list&gt; / ]? [ &lt;line-names&gt;? &lt;string&gt; &lt;track-size&gt;? &lt;line-names&gt;? ]+<td>see individual properties<td>grid containers<td>see individual properties<td>see individual properties<td>visual<td>see individual properties
 <tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid-auto-columns title=grid-auto-columns>grid-auto-columns</a><td>&lt;track-size&gt;<td>auto<td>grid containers<td>no<td>see Track Sizing<td>visual<td>see Track Sizing
 <tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid-auto-rows title=grid-auto-rows>grid-auto-rows</a><td>&lt;track-size&gt;<td>auto<td>grid containers<td>no<td>see Track Sizing<td>visual<td>see Track Sizing
-<tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid-auto-flow title=grid-auto-flow>grid-auto-flow</a><td>[ row | column ] || [ dense | stack ] [ row | column ] &amp;&amp; dense?  |   stack &amp;&amp; [ row | column ]?<td>row<td>grid containers<td>no<td>n/a<td>visual<td>specified value
+<tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid-auto-flow title=grid-auto-flow>grid-auto-flow</a><td>[ row | column ] &amp;&amp; dense?  |   stack &amp;&amp; [ row | column ]?<td>row<td>grid containers<td>no<td>n/a<td>visual<td>specified value
 <tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid title=grid>grid</a><td>&lt;‘grid-template’&gt; | [ &lt;‘grid-auto-flow’&gt; [ &lt;‘grid-auto-columns’&gt; [ / &lt;‘grid-auto-rows’&gt; ]? ]? ]<td>see individual properties<td>grid containers<td>see individual properties<td>see individual properties<td>visual<td>see individual properties
 <tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid-row-start title=grid-row-start>grid-row-start</a><td>&lt;grid-line&gt;<td>auto<td>grid items<td>no<td>n/a<td>visual<td>specified value
 <tr><th scope=row><a class=css-code data-link-type=property href=#propdef-grid-column-start title=grid-column-start>grid-column-start</a><td>&lt;grid-line&gt;<td>auto<td>grid items<td>no<td>n/a<td>visual<td>specified value