[css-2018] Update the spec list in the snapshot

Closes w3c#2281

Author: frivoal

css-2018/Overview.bs

@@ -237,6 +237,26 @@ Background: The W3C Process and CSS</h3>
 			such as left-to-right (e.g. Latin or Indic),
 			right-to-left (e.g. Hebrew or Arabic),
 			bidirectional (e.g. mixed Latin and Arabic) and vertical (e.g. Asian scripts).
+
+		<dt><a href="https://www.w3.org/TR/css-flexbox-1/">CSS Flexible Box Module Level 1</a>
+		  [[!CSS-FLEXBOX-1]]
+		<dd>
+			Introduces a flexible linear layout model for CSS.
+
+		<dt><a href="https://www.w3.org/TR/css-variables-1/">CSS Custom Properties for Cascading Variables Module Level 1</a>
+		  [[!CSS-VARIABLES-1]]
+		<dd>
+			Introduces cascading variables as a new primitive value type that is accepted by all CSS properties,
+			and custom properties for defining them.
+
+		<dt><a href="https://www.w3.org/TR/css-grid-1/">CSS Grid Layout Module Level 1</a>
+		  [[!CSS-GRID-1]]
+		<dd>
+			Defines a two-dimensional grid-based layout system,
+			optimized for user interface design.
+			In the grid layout model, the children of a grid container
+			can be positioned into arbitrary slots in a predefined flexible or fixed-size layout grid.
+
 	</dl>
 
 	<div class="note">
@@ -248,32 +268,34 @@ Background: The W3C Process and CSS</h3>
 			<dt><a href="https://www.w3.org/TR/css3-transitions/">CSS Transitions Level 1</a>
 			  [[CSS3-TRANSITIONS]]
 			  and <a href="https://www.w3.org/TR/css3-animations/">CSS Animations Level 1</a>
-			  [[CSS3-ANIMATIONS]]
+			  [[CSS3-ANIMATIONS]],
+			  together with [[CSS-TIMING-1]].
 			<dd>
 				Define mechanisms for transitioning the computed values of CSS properties over time.
 
-			<dt><a href="https://www.w3.org/TR/css-flexbox-1/">CSS Flexible Box Module Level 1</a>
-			  [[CSS-FLEXBOX-1]]
-			<dd>
-				Introduces a flexible linear layout model for CSS.
-
 			<dt><a href="https://www.w3.org/TR/css3-transforms/">CSS Transforms Level 1</a>
 			  [[CSS3-TRANSFORMS]]
 			<dd>
 				Introduces graphical transformations to CSS.
 
-			<dt><a href="https://www.w3.org/TR/css-variables-1/">CSS Custom Properties for Cascading Variables Module Level 1</a>
-			  [[CSS-VARIABLES-1]]
-			<dd>
-				Introduces cascading variables as a new primitive value type that is accepted by all CSS properties,
-				and custom properties for defining them.
-
 			<dt><a href="https://www.w3.org/TR/css-text-3/">CSS Text Module Level 3</a>
 			  [[CSS-TEXT-3]]
 			<dd>
 				Defines properties for text manipulation and specifies their processing model.
 				It covers line breaking, justification and alignment, white space handling, and text transformation.
-			</dl>
+
+			<dt><a href="https://www.w3.org/TR/css-will-change-1/">CSS Will Change Level 1</a>
+			  [[CSS-WILL-CHANGE-1]]
+			<dd>
+				Introduces a performance hint property called 'will-change'.
+
+			<dt><a href="https://www.w3.org/TR/filter-effects-1/">Filter Effects Module Level 1</a>
+			  [[FILTER-EFFECTS-1]]
+			<dd>
+				Filter effects are a way of processing an element’s rendering before it is displayed in the document.
+
+		</dl>
+
 	</div>
 
 	<div class="note">
@@ -307,10 +329,6 @@ Background: The W3C Process and CSS</h3>
 				and adding the ability to specify text emphasis marks
 				and text shadows.
 
-			<dt><a href="https://www.w3.org/TR/css-will-change-1/">CSS Will Change Level 1</a>
-			  [[CSS-WILL-CHANGE-1]]
-			<dd>
-				Introduces a performance hint property called 'will-change'.
 			</dl>
 
 			<dt><a href="https://www.w3.org/TR/css3-speech/">CSS Speech Module Level 1</a>
@@ -326,24 +344,35 @@ Background: The W3C Process and CSS</h3>
 				within their containers in the various CSS box layout models:
 				block layout, table layout, flex layout, and grid layout.
 
-			<dt><a href="https://www.w3.org/TR/css-grid-1/">CSS Grid Layout Module Level 1</a>
-			  [[CSS-GRID-1]]
+			<dt><a href="https://www.w3.org/TR/css-break-3/">CSS Fragmentation Module Level 3</a>
+			  [[CSS-BREAK-3]]
 			<dd>
-				Defines a two-dimensional grid-based layout system,
-				optimized for user interface design.
-				In the grid layout model, the children of a grid container
-				can be positioned into arbitrary slots in a predefined flexible or fixed-size layout grid.
+				Describes the fragmentation model that partitions a flow into pages, columns, or regions.
 
-			<dt><a href="https://www.w3.org/TR/filter-effects-1/">Filter Effects Module Level 1</a>
-			  [[FILTER-EFFECTS-1]]
+			<dt><a href="https://www.w3.org/TR/css-contain-1/">CSS Containment Module Level 1</a>
+			  [[CSS-CONTAIN-1]]
 			<dd>
-				Filter effects are a way of processing an element’s rendering before it is displayed in the document.
+				Describes the 'contain' property,
+				which indicates that the element’s subtree is independent of the rest of the page.
+				This enables heavy optimizations by user agents when used well.
 
-			<dt><a href="https://www.w3.org/TR/css-break-3/">CSS Fragmentation Module Level 3</a>
-			  [[CSS-BREAK-3]]
+			<dt><a href="https://www.w3.org/TR/css-scroll-snap-1/">CSS Scroll Snap Module Level 1</a>
+			  [[CSS-SCROLL-SNAP-1]]
 			<dd>
-				Describes the fragmentation model that partitions a flow into pages, columns, or regions.
+				Contains features to control panning and scrolling behavior with “snap positions”.
 
+			<dt><a href="https://www.w3.org/TR/mediaqueries-4/">Media Queries Level 4</a>
+			  [[MEDIAQUERIES-4]]
+			<dd>
+				Extends and supersedes [[CSS3-MEDIAQUERIES]], expanding the syntax, deprecating most media types,
+				and introducing new media features.
+
+			<dt><a href="https://www.w3.org/TR/css-cascade-4/">CSS Cascading and Inheritance Level 4</a>
+			  [[CSS-CASCADE-4]]
+			<dd>
+				Extends and supersedes [[CSS-CASCADE-3]],
+				describing how to collate style rules and assign values to all properties on all elements.
+				By way of cascading and inheritance, values are propagated for all properties on all elements.
 		</dl>
 
 		We hope to incorporate them into a future snapshot.
@@ -659,10 +688,12 @@ Preserving the Openness of CSS</h5>
 	css-syntax-3,
 	css-style-attr-1,
 	mediaqueries-3,
+	mediaqueries-4,
 	css-conditional-3,
 	css-namespaces-3,
 	selectors-3,
 	css-cascade-3,
+	css-cascade-3,
 	css-values-3,
 	css-color-3,
 	css-backgrounds-3,
@@ -674,6 +705,7 @@ Preserving the Openness of CSS</h5>
 	css-writing-modes-3,
 	css-transitions-1,
 	css-animations-1,
+	css-timing-1,
 	css-flexbox-1,
 	css-transforms-1,
 	css-variables-1,
@@ -687,7 +719,9 @@ Preserving the Openness of CSS</h5>
 	css-align-3,
 	css-grid-1,
 	filter-effects-1,
-	css-break-3"></index>
+	css-break-3,
+	css-contain-1,
+	css-scroll-snap-1"></index>
 
 <h3 id="selectors">Selector Index</h3>
 
@@ -696,10 +730,12 @@ Preserving the Openness of CSS</h5>
 	css-syntax-3,
 	css-style-attr-1,
 	mediaqueries-3,
+	mediaqueries-4,
 	css-conditional-3,
 	css-namespaces-3,
 	selectors-3,
 	css-cascade-3,
+	css-cascade-3,
 	css-values-3,
 	css-color-3,
 	css-backgrounds-3,
@@ -711,6 +747,7 @@ Preserving the Openness of CSS</h5>
 	css-writing-modes-3,
 	css-transitions-1,
 	css-animations-1,
+	css-timing-1,
 	css-flexbox-1,
 	css-transforms-1,
 	css-variables-1,
@@ -724,7 +761,9 @@ Preserving the Openness of CSS</h5>
 	css-align-3,
 	css-grid-1,
 	filter-effects-1,
-	css-break-3"></index>
+	css-break-3,
+	css-contain-1,
+	css-scroll-snap-1"></index>
 
 <h3 id="at-rules">
 At-Rule Index</h3>
@@ -734,10 +773,12 @@ At-Rule Index</h3>
 	css-syntax-3,
 	css-style-attr-1,
 	mediaqueries-3,
+	mediaqueries-4,
 	css-conditional-3,
 	css-namespaces-3,
 	selectors-3,
 	css-cascade-3,
+	css-cascade-3,
 	css-values-3,
 	css-color-3,
 	css-backgrounds-3,
@@ -749,6 +790,7 @@ At-Rule Index</h3>
 	css-writing-modes-3,
 	css-transitions-1,
 	css-animations-1,
+	css-timing-1,
 	css-flexbox-1,
 	css-transforms-1,
 	css-variables-1,
@@ -762,7 +804,9 @@ At-Rule Index</h3>
 	css-align-3,
 	css-grid-1,
 	filter-effects-1,
-	css-break-3"></index>
+	css-break-3,
+	css-contain-1,
+	css-scroll-snap-1"></index>
 
 <h3 id="properties">Property Index</h3>
 
@@ -771,10 +815,12 @@ At-Rule Index</h3>
 	css-syntax-3,
 	css-style-attr-1,
 	mediaqueries-3,
+	mediaqueries-4,
 	css-conditional-3,
 	css-namespaces-3,
 	selectors-3,
 	css-cascade-3,
+	css-cascade-3,
 	css-values-3,
 	css-color-3,
 	css-backgrounds-3,
@@ -786,6 +832,7 @@ At-Rule Index</h3>
 	css-writing-modes-3,
 	css-transitions-1,
 	css-animations-1,
+	css-timing-1,
 	css-flexbox-1,
 	css-transforms-1,
 	css-variables-1,
@@ -799,7 +846,9 @@ At-Rule Index</h3>
 	css-align-3,
 	css-grid-1,
 	filter-effects-1,
-	css-break-3"></index>
+	css-break-3,
+	css-contain-1,
+	css-scroll-snap-1"></index>
 
 <h3 id="values">Values Index</h3>
 
@@ -808,10 +857,12 @@ At-Rule Index</h3>
 	css-syntax-3,
 	css-style-attr-1,
 	mediaqueries-3,
+	mediaqueries-4,
 	css-conditional-3,
 	css-namespaces-3,
 	selectors-3,
 	css-cascade-3,
+	css-cascade-3,
 	css-values-3,
 	css-color-3,
 	css-backgrounds-3,
@@ -823,6 +874,7 @@ At-Rule Index</h3>
 	css-writing-modes-3,
 	css-transitions-1,
 	css-animations-1,
+	css-timing-1,
 	css-flexbox-1,
 	css-transforms-1,
 	css-variables-1,
@@ -836,7 +888,9 @@ At-Rule Index</h3>
 	css-align-3,
 	css-grid-1,
 	filter-effects-1,
-	css-break-3"></index>
+	css-break-3,
+	css-contain-1,
+	css-scroll-snap-1"></index>
 
 Acknowledgements {#acks}
 ========================