[css-break-3] Reference bidi-- and display-type--induced fragmentation from css-break-3.

Author: fantasai

css-break-3/Overview.bs

@@ -143,6 +143,20 @@ Fragmentation Model and Terminology</h2>
     However, inline breaking is not covered here; see [[!CSS21]]/[[CSS3TEXT]].
   </p>
 
+  <p class="note">
+    A box can be broken into multiple <a>fragments</a>
+    also due to bidi reordering of text
+    (see [[css-writing-modes-3#bidi-algo|Applying the Bidirectional Reorderign Algorithm]]
+    in [[css-writing-modes-3#text-direction|CSS Writing Modes]])
+    or higher-level <a>display type</a> box splitting,
+    e.g. <a href="https://www.w3.org/TR/CSS2/visuren.html#img-anon-block">block-in-inline splitting</a>
+    (see <a href="https://www.w3.org/TR/CSS2/visuren.html#box-gen">CSS2&sect;9.2</a>)
+    or <a href="https://www.w3.org/TR/css-multicol-1/#spanning-columns">column-spanner-in-block</a> splitting
+    (see <a href="https://www.w3.org/TR/css-multicol-1/#spanning-columns">CSS Multi-column Layout</a>).
+    The division into <a>box fragments</a> in these cases
+    does not depend on layout (sizing/positioning of content).
+  </p>
+
 <h3 id="parallel-flows">
 Parallel Fragmentation Flows</h3>
 

css-display-3/Overview.bs

@@ -121,11 +121,14 @@ Introduction</h2>
 	is broken across lines,
 	or when a <a>block box</a> is broken across pages or columns,
 	in a process called <a>fragmentation</a>.
-	It can also happen due to bidi reordering of text (see [[css-writing-modes-3#bidi-algo|Applying the Bidirectional Reorderign Algorithm]] in [[css-writing-modes-3#text-direction|CSS Writing Modes]])
+	It can also happen due to bidi reordering of text
+	(see [[css-writing-modes-3#bidi-algo|Applying the Bidirectional Reorderign Algorithm]]
+	in [[css-writing-modes-3#text-direction|CSS Writing Modes]])
 	or higher-level <a>display type</a> box splitting,
 	e.g. <a href="https://www.w3.org/TR/CSS2/visuren.html#img-anon-block">block-in-inline splitting</a>
 	(see <a href="https://www.w3.org/TR/CSS2/visuren.html#box-gen">CSS2&sect;9.2</a>)
-	or <a href="https://www.w3.org/TR/css-multicol-1/#spanning-columns">column-spanner-in-block</a> splitting (see <a href="https://www.w3.org/TR/css-multicol-1/#spanning-columns">CSS Multi-column Layout</a>).
+	or <a href="https://www.w3.org/TR/css-multicol-1/#spanning-columns">column-spanner-in-block</a> splitting
+	(see <a href="https://www.w3.org/TR/css-multicol-1/#spanning-columns">CSS Multi-column Layout</a>).
 	A <a>box</a> therefore consists of one or more <a>box fragments</a>,
 	and a <a>text run</a> consists of one or more <a lt=fragment>text fragments</a>.
 	See [[CSS3-BREAK]] for more information on <a>fragmentation</a>.