[css-scroll-anchoring] Fix linking errors, and export terms that are needed.

Author: tabatkins

css-scroll-anchoring/Overview.bs

@@ -18,13 +18,15 @@ Abstract: This spec also proposes an API for web developers to opt-out of this b
 </pre>
 
 <pre class=link-defaults>
-spec:css22; type:property;
-	text:max-height
-	text:min-height
-	text:height
-	text:max-width
-	text:min-width
-	text:width
+spec:css22;
+	type:property;
+		text:max-height
+		text:min-height
+		text:height
+		text:max-width
+		text:min-width
+		text:width
+	type:dfn; text:line box
 </pre>
 
 <h2 id=intro>
@@ -94,7 +96,7 @@ In some cases, a scrolling box may not select any anchor node.
 		1. For each DOM child |C| of |N|,
 			perform the <a>candidate examination algorithm</a> for |C| in |S|,
 			and terminate if it selects an anchor node.
-		2. For each <a>absolutely positioned</a> element |A|
+		2. For each absolutely-positioned element |A|
 			whose <a>containing block</a> is |N|,
 			but whose DOM parent is not |N|,
 			perform the <a>candidate examination algorithm</a> for |A| in |S|,
@@ -159,7 +161,7 @@ in the block flow direction,
 to be performed at the end of the <a>suppression window</a>.
 
 The scroll adjustment is a type of [[cssom-view-1#scrolling-events#scrolling]] as defined by [[!CSSOM-VIEW]],
-and generates <a>scroll events</a> in the manner described there.
+and generates <a event lt=scroll>scroll events</a> in the manner described there.
 
 <h4 id="suppression-windows">
 Suppression Window</h4>
@@ -209,7 +211,7 @@ These triggers are:
 
 * Any change to the computed value of the 'position' property
 	on any element within the scrollable element (or document),
-	such that the element becomes or stops being <a>absolutely positioned</a>.
+	such that the element becomes or stops being absolutely positioned.
 	Note that this trigger applies regardless of whether the modified element is
 	on the path from the anchor node to the scrollable element.
 
@@ -249,10 +251,10 @@ Values are defined as follows:
 </dl>
 
 Note: It is not possible to turn scroll anchoring "back on"
-for descendants of a ''scroll-anchoring: none'' element.
+for descendants of a ''overflow-anchor: none'' element.
 However, descendant <a>scroll containers</a> automatically "turn it back on"
 (for their own scrolling box)
-unless they explicitly have ''scroll-anchoring: none'' set on them as well.
+unless they explicitly have ''overflow-anchor: none'' set on them as well.
 
 Note: The <code>overflow-anchor</code> property was also proposed (with different values)
 for <a href="http://tabatkins.github.io/specs/css-sticky-scrollbars/">CSS Sticky Scrollbars</a>,

css-scroll-snap/Overview.bs

@@ -418,7 +418,7 @@ Scroll Snapport: the 'scroll-padding' property {#scroll-padding}
     Values must be non-negative
     and represent inward offsets from the corresponding edge of the scrollport.
     These offsets define the
-    <dfn>optimal viewing region</dfn> of the scrollport:
+    <dfn export>optimal viewing region</dfn> of the scrollport:
     the region used as the target region for placing things in view of the user.
     This allows the author to exclude regions of the scrollport
     that are obscured by other content

cssom-view/Overview.bs

@@ -125,7 +125,7 @@ HTML.
 <dfn>Content edge</dfn>, <dfn>padding edge</dfn>, <dfn>border edge</dfn>, <dfn>margin edge</dfn>, and <dfn>viewport</dfn> are defined by CSS.
 <!-- These *should* just link to CSS2.1, but it doesn't have actual anchors to link to, because it's THE WORST. -->
 
-Elements and <a>viewports</a> have an associated <dfn>scrolling box</dfn> if has a scrolling mechanism<!--XXX xref--> or it overflows
+Elements and <a>viewports</a> have an associated <dfn export>scrolling box</dfn> if has a scrolling mechanism<!--XXX xref--> or it overflows
 its content area<!--XXX xref--> and the used value of the 'overflow-x' or 'overflow-y' property is ''overflow/hidden''. [[!CSS3-BOX]]
 
 An element <var>body</var> (which will be <a>the HTML <code>body</code> element</a>) is