[css-grid] Reword heading for grid-auto-position.

Author: tabatkins

css-grid/Overview.html

@@ -123,7 +123,7 @@ <h2 class="no-num no-toc no-ref" id=contents><span class=content>Table of conten
 Sizing Auto-generated Rows and Columns: the <span class=property data-link-type=propdesc title=grid-auto-rows>grid-auto-rows</span> and <span class=property data-link-type=propdesc title=grid-auto-columns>grid-auto-columns</span> properties</a><li><a href=#grid-auto-flow-property><span class=secno>6.2</span>
 Automatic Placement: the <span class=property data-link-type=propdesc title=grid-auto-flow>grid-auto-flow</span> property</a><ul class=toc><li><a href=#auto-placement-algo><span class=secno>6.2.1</span>
 Automatic Grid Item Placement Algorithm</a></ul><li><a href=#grid-auto-position-property><span class=secno>6.3</span>
-Automatic Placement: the <span class=property data-link-type=propdesc title=grid-auto-position>grid-auto-position</span> property</a><li><a href=#implicit-grid-shorthand><span class=secno>6.4</span>
+Default Position: the <span class=property data-link-type=propdesc title=grid-auto-position>grid-auto-position</span> property</a><li><a href=#implicit-grid-shorthand><span class=secno>6.4</span>
 Implicit Grid Shorthand: the <span class=property data-link-type=propdesc title=grid-auto>grid-auto</span> property</a></ul><li><a href=#placement><span class=secno>7</span>
 Placing Grid Items</a><ul class=toc><li><a href=#line-placement><span class=secno>7.1</span>
 Line-based Placement: the <span class=property data-link-type=propdesc title=grid-row-start>grid-row-start</span>, <span class=property data-link-type=propdesc title=grid-column-start>grid-column-start</span>, <span class=property data-link-type=propdesc title=grid-row-end>grid-row-end</span>, and <span class=property data-link-type=propdesc title=grid-column-end>grid-column-end</span> properties</a><li><a href=#placement-shorthands><span class=secno>7.2</span>
@@ -853,7 +853,7 @@ <h3 data-level=5.1 id=track-sizing><span class=secno>5.1 </span><span class=cont
   <dfn data-dfn-type=type data-export="" id=typedef-track-size>&lt;track-size&gt;</dfn>     = minmax( <a class=production data-link-type=type href=#typedef-track-breadth>&lt;track-breadth&gt;</a> , <a class=production data-link-type=type href=#typedef-track-breadth>&lt;track-breadth&gt;</a> ) | auto | <a class=production data-link-type=type href=#typedef-track-breadth>&lt;track-breadth&gt;</a>
   <dfn data-dfn-type=type data-export="" id=typedef-track-breadth>&lt;track-breadth&gt;</dfn>  = <a class=production data-link-type=type href=http://dev.w3.org/csswg/css-values-3/#length-value>&lt;length&gt;</a> | <a class=production data-link-type=type href=http://dev.w3.org/csswg/css-values-3/#percentage-value>&lt;percentage&gt;</a> | <a class=production data-link-type=type href=#typedef-flex>&lt;flex&gt;</a> | min-content | max-content
   <dfn data-dfn-type=type data-export="" id=typedef-line-names>&lt;line-names&gt;</dfn>     = ( <a class=production data-link-type=type>&lt;ident&gt;</a>* )
-  <dfn data-dfn-type=type data-export="" id=typedef-line-name-list>&lt;line-name-list&gt;</dfn> = [ <a class=production data-link-type=type href=#typedef-line-names>&lt;line-names&gt;</a> || repeat(<a class=production data-link-type=type>&lt;positive-integer&gt;</a>, <a class=production data-link-type=type href=#typedef-line-names>&lt;line-names&gt;</a>) ]+
+  <dfn data-dfn-type=type data-export="" id=typedef-line-name-list>&lt;line-name-list&gt;</dfn> = [ <a class=production data-link-type=type href=#typedef-line-names>&lt;line-names&gt;</a> | repeat(<a class=production data-link-type=type>&lt;positive-integer&gt;</a>, <a class=production data-link-type=type href=#typedef-line-names>&lt;line-names&gt;</a>) ]+
 </pre>
 	<p>Where:
 
@@ -1605,7 +1605,7 @@ <h4 data-level=6.2.1 id=auto-placement-algo><span class=secno>6.2.1 </span><span
 		Edit the algorithm to allow for dense packing.
 
 <h3 data-level=6.3 id=grid-auto-position-property><span class=secno>6.3 </span><span class=content>
-Automatic Placement: the <a class=property data-link-type=propdesc href=#propdef-grid-auto-position title=grid-auto-position>grid-auto-position</a> property</span><a class=section-link href=#grid-auto-position-property>§</a></h3>
+Default Position: the <a class=property data-link-type=propdesc href=#propdef-grid-auto-position title=grid-auto-position>grid-auto-position</a> property</span><a class=section-link href=#grid-auto-position-property>§</a></h3>
 
 <table class=propdef><tr><th>Name:<td><dfn data-dfn-type=property data-export="" id=propdef-grid-auto-position>grid-auto-position</dfn><tr><th>Value:<td><a class=production data-link-type=type href=#typedef-grid-line>&lt;grid-line&gt;</a> / <a class=production data-link-type=type href=#typedef-grid-line>&lt;grid-line&gt;</a><tr><th>Initial:<td>1 / 1<tr><th>Applies to:<td><a href=#grid-container>grid containers</a><tr><th>Inherited:<td>no<tr><th>Percentages:<td>na/<tr><th>Media:<td>visual<tr><th>Computed value:<td>specified value</table>
 <p>	If a <a href=#grid-container>grid container</a> doesn't specify an automatic-placement strategy through <a class=property data-link-type=propdesc href=#propdef-grid-auto-flow title=grid-auto-flow>grid-auto-flow</a>,

css-grid/Overview.src.html

@@ -1596,7 +1596,7 @@ <h4 id='auto-placement-algo'>
 		Edit the algorithm to allow for dense packing.
 
 <h3 id="grid-auto-position-property">
-Automatic Placement: the 'grid-auto-position' property</h3>
+Default Position: the 'grid-auto-position' property</h3>
 
 	<pre class='propdef'>
 	Name: grid-auto-position