[css-display] Export terms.

Author: fantasai

css-display/Overview.bs

@@ -21,12 +21,12 @@ Introduction</h2>
 
 	<p><em>This section is normative.</em>
 
-	CSS takes a source document, organized as a tree of <dfn lt="element|element tree">elements</dfn>,
+	CSS takes a source document, organized as a tree of <dfn lt="element|element tree" export>elements</dfn>,
 	and renders it onto a <a href="http://www.w3.org/TR/CSS2/intro.html#canvas">canvas</a> (such as your screen, a piece of paper, or an audio stream).
 	To do this, it generates an intermediary structure,
-	the <dfn>box tree</dfn>,
+	the <dfn export>box tree</dfn>,
 	which represents the formatting structure of the rendered document.
-	Each <dfn>box</dfn> represents its corresponding <a>element</a> (or <a>pseudo-element</a>)
+	Each <dfn export>box</dfn> represents its corresponding <a>element</a> (or <a>pseudo-element</a>)
 	in space and/or time on the canvas.
 
 	To create the <a>box tree</a>,
@@ -49,7 +49,7 @@ Introduction</h2>
 	They're often referred to by their 'display' type--
 	e.g. a <a>box</a> generated by an element with ''display: block'' is called a “block box” or just a “block”.
 
-	An <dfn lt="anonymous|anonymous box">anonymous box</dfn> is is a box that is not associated with any element.
+	An <dfn lt="anonymous|anonymous box" export>anonymous box</dfn> is is a box that is not associated with any element.
 	<a>Anonymous boxes</a> are generated in certain circumstances
 	to fix up the <a>box tree</a> when it requires a particular nested structure
 	that is not provided by the boxes generated from the <a>element tree</a>.
@@ -114,7 +114,7 @@ Box Layout Modes: the 'display' property</h2>
 	Media: all
 	</pre>
 
-	The 'display' property defines box's <dfn>display type</dfn>,
+	The 'display' property defines box's <dfn export>display type</dfn>,
 	which consists of the two basic qualities of how an element generates boxes:
 
 	* the <dfn export local-lt="inner">inner display type</dfn>,
@@ -600,7 +600,7 @@ Toggling Box Generation: the 'box-suppress' property</h2>
 <h2 id='run-in'>
 Run-In Layout</h2>
 
-	A <dfn lt="run-in | run-in box">run-in box</dfn>
+	A <dfn export lt="run-in | run-in box">run-in box</dfn>
 	is a box that <em>merges into</em> a block that comes after it,
 	inserting itself at the beginning of that block’s inline-level content.
 	This is useful for formatting compact headlines, definitions, and other similar things,