[css-display] Drop in an issue explaining the status of box-suppress. <…

…#343 (comment)> per WG resolution <https://lists.w3.org/Archives/Public/www-style/2016Aug/0034.html>. Not edited in due to expectation of deferring to next level with the next publication cycle.

css-display/Overview.bs

@@ -13,7 +13,7 @@ Previous Version: https://www.w3.org/TR/2015/WD-css-display-3-20150721/
 Previous Version: https://www.w3.org/TR/2014/WD-css-display-3-20140911/
 Editor: Tab Atkins Jr., Google, http://xanthir.com/contact/
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact
-Abstract: This module describes how the CSS formatting box tree is generated from the document element tree and defines the 'display' and 'box-suppress' properties that control it.
+Abstract: This module describes how the CSS formatting box tree is generated from the document element tree and defines the 'display' and 'display-or-not' properties that control it.
 Ignored Terms: display-model, display-role, table row group box, absolutely positioned
 </pre>
 <pre class="link-defaults">
@@ -40,14 +40,14 @@ Introduction</h2>
 	(See [[!CSS3-CASCADE]].)
 
 	Then, for each element, it generates zero or more boxes
-	as specified by that element's 'display' and 'box-suppress' properties.
+	as specified by that element's 'display' and 'display-or-not' properties.
 	Typically, an element generates a single <a>box</a>.
 	However, some 'display' values
 	(e.g. ''display: list-item'')
 	generate more than one box
 	(e.g. a <a href="https://www.w3.org/TR/CSS2/visuren.html#principal-box">principal block box</a> and a <a href="https://www.w3.org/TR/CSS2/generate.html#lists">marker box</a>).
 	And some values
-	(such as ''display:none'', ''display: contents'', and ''box-suppress: discard'')
+	(such as ''display:none'', ''display: contents'', and ''display-or-not: discard'')
 	cause the <a>element</a> and/or its descendants to not generate any <a>boxes</a> at all.
 	<a>Boxes</a> are assigned the same styles as their generating <a>element</a>, unless otherwise indicated.
 	They're often referred to by their 'display' type--
@@ -479,7 +479,7 @@ Box Generation: the ''none'' and ''contents'' keywords</h3>
 		<dd>
 			The element and its descendants generates no boxes.
 
-			Advisement: It is recommended that 'box-suppress' be used instead of ''display: none'',
+			Advisement: It is recommended that 'display-or-not' be used instead of ''display: none'',
 			so that the element's display type is automatically preserved
 			for when it's no longer suppressed.
 	</dl>
@@ -553,16 +553,16 @@ Automatic Box Type Transformations</h3>
 
 
 <h2 id='box-suppress'>
-Toggling Box Generation: the 'box-suppress' property</h2>
+Toggling Box Generation: the 'display-or-not' property</h2>
 
 	<pre class="propdef">
-	Name: box-suppress
+	Name: display-or-not
 	Value: show | discard | hide
 	Initial: show
 	Applies to: all elements
 	Inherited: no
 	Percentages: n/a
-	Computed value: see prose
+	Computed value: as specified
 	Media: all
 	</pre>
 
@@ -571,16 +571,21 @@ Toggling Box Generation: the 'box-suppress' property</h2>
 	Making this reversible requires either setting up the CSS <a>cascade</a> carefully,
 	or remembering what the 'display' value was before it was set to ''none''.
 	To make this common use-case easier,
-	this module introduces the separate 'box-suppress' property to do the same thing,
+	this module introduces the separate 'display-or-not' property to do the same thing,
 	so that toggling whether or not an element appears in the formatting tree
 	can now be done without affecting its display type when it <em>is</em> displayed.
 
-	If the computed value of 'display' is ''none'',
-	the computed value of 'box-suppress' is ''discard''.
-	Otherwise, the computed value is the specified value.
+	Issue: This property (which needs a better name)
+	along with a <css>display-type</css> (or possibly <css>display-as</css>) longhand
+	which takes all values of 'display' other than ''none'',
+	are intended to be longhands of 'display'.
+	This has not yet been edited in, as this split feature is likely to be deferred to the next level
+	in order to have time to thoroughly work through and accommodate the
+	<a href="https://lists.w3.org/Archives/Public/www-style/2016Aug/0025.html">various use cases</a> for showing/hiding an element.
+
 	Values have the following meanings:
 
-	<dl dfn-type="value" dfn-for="box-suppress">
+	<dl dfn-type="value" dfn-for="display-or-not">
 		<dt><dfn>show</dfn>
 		<dd>
 			The element generates boxes as normal,