[css-content-3] Add 'auto' value to 'quotes'. w3c#4074

Author: fantasai

css-content-3/Overview.bs

@@ -381,23 +381,17 @@ Specifying quotes with the 'quotes' property</h4>
 
 	<pre class='propdef'>
 		Name: quotes
-		Value: none | [ <<string>> <<string>> ]+
+		Value: auto | none | [ <<string>> <<string>> ]+
 		Initial: depends on user agent
 		Applies To: all elements
 		Inherited: yes
 		Percentages: n/a
-		Computed Value: the keyword ''quotes/none'' or a list, each item a pair of string values
+		Computed Value: the keyword ''quotes/none'', the keyword ''quotes/auto'', or a list, each item a pair of string values
 		Animation type: discrete
 	</pre>
 
 	<p class=all-media>User Agents are expected to support this property on all media, including non-visual ones.</p>
 
-	Issue: The previous ED had an initial value of ''text'',
-	which was an error.
-	[[CSS21]] has initial value of "depends on user agent".
-	Do we use <css>auto</css> for things like this,
-	or is it just a UA stylesheet issue?
-
 	This property specifies quotation marks for any number of embedded quotations. Values have the following meanings:
 
 	<dl dfn-type=value dfn-for=quotes>
@@ -407,11 +401,19 @@ Specifying quotes with the 'quotes' property</h4>
 			produce no quotations marks,
 			as if they were ''no-open-quote'' and ''no-close-quote'' respectively.
 
-		<!--
 		<dt><dfn>auto</dfn>
 		<dd>
-			TK
-		 -->
+			A typographically appropriate [=used value=] for 'quotes'
+			is automatically chosen by the UA
+			based on the [=content language=]
+			of the element and/or its parent.
+
+			Note: The Unicode Common Locale Data Repository [[CLDR]]
+			maintains information on typographically apropriate quotation marks.
+			UAs can use other sources of information as well,
+			particularly as typographic preferences can vary;
+			however it is encouraged to submit any improvements to Unicode
+			so that the entire software ecosystem can benefit.
 
 		<dt>[ <<string>> <<string>> ]+
 		<dd>
@@ -1309,30 +1311,17 @@ bookmark-state</h3>
 		* what ::outside::before matches in this case
 	-->
 
-<h2 id="changes">Changes since the 14 May 2003 Working Draft</h2>
-
-	* Terminology section deleted, as that information is now in [[CSS-PSEUDO-4]]
-
-	* Pseudo-elements section replaced by [[CSS-PSEUDO-4]]
-
-	* Automatic counters and numbering section replaced by [[CSS3LIST]]
-
-	* Section on Named strings replaced by content moved from [[CSS3GCPM]]
-
-	* Removed ''icon'' value of content property.
-
-	* Removed ''&lt;glyph>'' values of content property.
-
-	* Bookmarks, Cross References, and Leaders section moved from [[CSS3GCPM]] to this specification
-
-	* Removed mechanisms for moving document content around, including the <code>::alternate</code> pseudo-element and the <code>pending</code> value of the 'content' property.
+<h2 id="changes">Changes since the 2 June 2016 Working Draft</h2>
 
-	* Examples of Norwegian and French quotation marks no longer use plus signs and semicolons as delimiters.
+	Significant changes since the <a href="https://www.w3.org/TR/2016/WD-css-content-3-20160602/2 June 2016 Working Draft</a>
+	consist primarily of:
 
-	* Dave Cramer added as co-editor. Ian Hickson and Håkon Wium Lie are now former editors.
+	<ul>
+		<li>Adding ''quotes/auto'' as the initial value of 'quotes'.
+		<li>Lots of miscellaneous spec clean up: errors, cross-references, overly-loose or sloppy definitions, etc.
+	</ul>
 
-	* Moved effects of style containement on properties of this specification from the css-contain specification to this one,
-	    due to their respective maturity.
+	See also <a href="https://www.w3.org/TR/2016/WD-css-content-3-20160602/#changes">previous changes</a>.
 
 <h2 class="no-num" id="acknowledgements">Acknowledgements</h2>