[css-text-3] Export 'line break'. #4687

Author: fantasai

css-break-3/Overview.bs

@@ -637,7 +637,7 @@ Types of Breaks</h3>
     </dd>
   </dl>
   <p class="note">
-    A fifth type of break is the “line break”, which is a break between
+    A fifth type of break is the [=line break=], which is a break between
     two <a href="https://www.w3.org/TR/CSS21/visuren.html#line-box">line boxes</a>.
     These are not covered in this specification; see [[!CSS2]] [[CSS3TEXT]].
   </p>

css-text-3/Overview.bs

@@ -2029,11 +2029,11 @@ Text Processing</h3>
   Line Breaking and Word Boundaries</h2>
 
   <p>When inline-level content is laid out into lines, it is broken across line boxes.
-    Such a break is called a <dfn>line break</dfn>.
+    Such a break is called a <dfn export>line break</dfn>.
     When a line is broken due to explicit line-breaking controls
     (such as a <a>preserved</a> newline character),
     or due to the start or end of a block,
-    it is a <dfn>forced line break</dfn>.
+    it is a <dfn export>forced line break</dfn>.
     When a line is broken due to content <dfn lt="wrapping|wrap">wrapping</dfn>
     (i.e. when the UA creates unforced line breaks in order to fit the content within the measure),
     it is a <dfn>soft wrap break</dfn>.