Merged revisions 648381 via svnmerge from

https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk

........
  r648381 | jeremias | 2008-04-15 20:18:46 +0100 (Tue, 15 Apr 2008) | 1 line
  
  First part of the implementation of stage 1 for advanced keeps (see Wiki): Integer values are treated differently from "always" values in keep-together.within-column for all block-level FOs.
........


git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/Temp_AFPGOCAResources@648611 13f79535-47bb-0310-9956-ffa450edef68

6 files changed, 430 insertions, 22 deletions

diff --git a/test/layoutengine/standard-testcases/block-container_keep-together_integers_1.xml b/test/layoutengine/standard-testcases/block-container_keep-together_integers_1.xml
new file mode 100644
index 000000000..24a779303
--- /dev/null
+++ b/test/layoutengine/standard-testcases/block-container_keep-together_integers_1.xml
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- $Id$ -->
+<testcase>
+  <info>
+    <p>
+      This test checks keep-together with integer values.
+    </p>
+    <p>
+      Widows and Orphans are disabled in this test to avoid side-effects.
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" widows="0" orphans="0">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="normal" page-width="5in" page-height="12 * 14.4pt">
+          <fo:region-body/>
+        </fo:simple-page-master>
+      </fo:layout-master-set>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block-container keep-together.within-column="1" background-color="rgb(230,230,255)">
+            <fo:block-container keep-together.within-column="2" background-color="rgb(200,200,255)">
+              <fo:block-container keep-together.within-column="3" background-color="rgb(170,170,255)">
+                <fo:block>block1</fo:block>
+                <fo:block>block2</fo:block>
+              </fo:block-container>
+              <fo:block-container keep-together.within-column="always" background-color="rgb(0,0,255)" color="white">
+                <fo:block>block3</fo:block>
+                <fo:block>block4</fo:block>
+              </fo:block-container>
+            </fo:block-container>
+            <fo:block-container keep-together.within-column="always" background-color="rgb(0,0,255)" color="white">
+              <fo:block>block5</fo:block>
+              <fo:block>block6</fo:block>
+            </fo:block-container>
+              <fo:block-container keep-together.within-column="3" background-color="rgb(170,170,255)">
+                <fo:block-container keep-together.within-column="2" background-color="rgb(200,200,255)">
+                <fo:block>block7</fo:block>
+                <fo:block>block8</fo:block>
+                </fo:block-container>
+              </fo:block-container>
+            <fo:block-container keep-together.within-column="always" background-color="rgb(170,170,255)">
+              <fo:block-container keep-together.within-column="2" background-color="rgb(200,200,255)">
+                <fo:block>block9</fo:block>
+                <fo:block>blockA</fo:block>
+              </fo:block-container>
+            </fo:block-container>
+          </fo:block-container>
+        </fo:flow>
+      </fo:page-sequence>
+    </fo:root>
+  </fo>
+  <checks>
+    <element-list category="breaker">
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="INF"/> <!-- 3/4 -->
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="INF"/> <!-- 5/6 -->
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="INF"/> <!-- 9/A -->
+      <box/>
+      
+      <skip>3</skip>
+    </element-list>
+    
+  </checks>
+</testcase>
diff --git a/test/layoutengine/standard-testcases/block_keep-together_integers_1.xml b/test/layoutengine/standard-testcases/block_keep-together_integers_1.xml
new file mode 100644
index 000000000..f6027bf01
--- /dev/null
+++ b/test/layoutengine/standard-testcases/block_keep-together_integers_1.xml
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- $Id$ -->
+<testcase>
+  <info>
+    <p>
+      This test checks keep-together with integer values.
+    </p>
+    <p>
+      Widows and Orphans are disabled in this test to avoid side-effects.
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" widows="0" orphans="0">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="normal" page-width="5in" page-height="4.5 * 14.4pt">
+          <fo:region-body/>
+        </fo:simple-page-master>
+      </fo:layout-master-set>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>block1</fo:block>
+          <fo:block>block2</fo:block>
+          <fo:block keep-together.within-column="3">block3 
+            <fo:inline font-style="italic">
+              The quick brown fox jumps over the lazy dog.
+              The quick brown fox jumps over the lazy dog.
+              The quick brown fox jumps over the lazy dog.
+            </fo:inline>
+          </fo:block>
+          <fo:block keep-together.within-column="1">
+            <fo:block>block4</fo:block>
+            <fo:block>block5</fo:block>
+            <fo:block keep-together.within-page="always" color="red">
+              <fo:block>block6</fo:block>
+              <fo:block>block7</fo:block>
+              <fo:block>block8</fo:block>
+              <fo:block>block9</fo:block>
+            </fo:block>
+            <fo:block>block10</fo:block>
+          </fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+    </fo:root>
+  </fo>
+  <checks>
+    <eval expected="1" xpath="//lineArea[starts-with(., 'block1')]/ancestor::pageViewport/@nr"/>
+    <eval expected="1" xpath="//lineArea[starts-with(., 'block2')]/ancestor::pageViewport/@nr"/>
+    <eval expected="2" xpath="//lineArea[starts-with(., 'block3')]/ancestor::pageViewport/@nr"/>
+    <eval expected="3" xpath="//lineArea[starts-with(., 'block4')]/ancestor::pageViewport/@nr"/>
+    <eval expected="3" xpath="//lineArea[starts-with(., 'block5')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block6')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block7')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block8')]/ancestor::pageViewport/@nr"/>
+    <eval expected="4" xpath="//lineArea[starts-with(., 'block9')]/ancestor::pageViewport/@nr"/>
+    <eval expected="5" xpath="//lineArea[starts-with(., 'block10')]/ancestor::pageViewport/@nr"/>
+    
+    <element-list category="breaker">
+      <box/>
+      <penalty w="0" p="0"/>
+      <box/>
+      <penalty w="0" p="0"/>
+      <box/> <!-- block 3 -->
+      <box/>
+      <box/>
+      <penalty w="0" p="0"/>
+      <box/> <!-- block4 -->
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/> <!-- block6 -->
+      <penalty w="0" p="INF"/>
+      <box/>
+      <penalty w="0" p="INF"/>
+      <box/>
+      <penalty w="0" p="INF"/>
+      <box/> <!-- block9 -->
+      <penalty w="0" p="999"/>
+      <box/>
+      
+      <skip>3</skip>
+    </element-list>
+    
+  </checks>
+</testcase>
diff --git a/test/layoutengine/standard-testcases/block_keep-together_integers_2.xml b/test/layoutengine/standard-testcases/block_keep-together_integers_2.xml
new file mode 100644
index 000000000..f07c28fbe
--- /dev/null
+++ b/test/layoutengine/standard-testcases/block_keep-together_integers_2.xml
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- $Id$ -->
+<testcase>
+  <info>
+    <p>
+      This test checks keep-together with integer values.
+    </p>
+    <p>
+      Widows and Orphans are disabled in this test to avoid side-effects.
+    </p>
+  </info>
+  <fo>
+    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" widows="0" orphans="0">
+      <fo:layout-master-set>
+        <fo:simple-page-master master-name="normal" page-width="5in" page-height="12 * 14.4pt">
+          <fo:region-body/>
+        </fo:simple-page-master>
+      </fo:layout-master-set>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block keep-together.within-column="1" background-color="rgb(230,230,255)">
+            <fo:block keep-together.within-column="2" background-color="rgb(200,200,255)">
+              <fo:block keep-together.within-column="3" background-color="rgb(170,170,255)">
+                <fo:block>block1</fo:block>
+                <fo:block>block2</fo:block>
+              </fo:block>
+              <fo:block keep-together.within-column="always" background-color="rgb(0,0,255)" color="white">
+                <fo:block>block3</fo:block>
+                <fo:block>block4</fo:block>
+              </fo:block>
+            </fo:block>
+            <fo:block keep-together.within-column="always" background-color="rgb(0,0,255)" color="white">
+              <fo:block>block5</fo:block>
+              <fo:block>block6</fo:block>
+            </fo:block>
+            <fo:block keep-together.within-column="3" background-color="rgb(170,170,255)">
+              <fo:block keep-together.within-column="2" background-color="rgb(200,200,255)">
+                <fo:block>block7</fo:block>
+                <fo:block>block8</fo:block>
+              </fo:block>
+            </fo:block>
+            <fo:block keep-together.within-column="always" background-color="rgb(170,170,255)">
+              <fo:block keep-together.within-column="2" background-color="rgb(200,200,255)">
+                <fo:block>block9</fo:block>
+                <fo:block>blockA</fo:block>
+              </fo:block>
+            </fo:block>
+          </fo:block>
+        </fo:flow>
+      </fo:page-sequence>
+    </fo:root>
+  </fo>
+  <checks>
+    <element-list category="breaker">
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="INF"/> <!-- 3/4 -->
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="INF"/> <!-- 5/6 -->
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="999"/>
+      <box/>
+      <penalty w="0" p="INF"/> <!-- 9/A -->
+      <box/>
+      
+      <skip>3</skip>
+    </element-list>
+    
+  </checks>
+</testcase>
diff --git a/test/layoutengine/standard-testcases/block_keep-together_overflow_1.xml b/test/layoutengine/standard-testcases/block_keep-together_overflow_1.xml
index a4a2de62c..b940ad837 100644
--- a/test/layoutengine/standard-testcases/block_keep-together_overflow_1.xml
+++ b/test/layoutengine/standard-testcases/block_keep-together_overflow_1.xml
@@ -44,7 +44,7 @@
         <fo:flow flow-name="xsl-region-body">
           <fo:block>block1</fo:block>
           <fo:block>block2</fo:block>
-          <fo:block keep-together.within-page="10" color="blue">
+          <fo:block keep-together.within-page="always" color="blue">
             <fo:block>block3</fo:block>
             <fo:block>block4</fo:block>
             <fo:block>block5</fo:block>
@@ -53,7 +53,7 @@
           </fo:block>
           <fo:block>block8</fo:block>
           <fo:block>block9</fo:block>
-          <fo:block keep-together.within-page="10" color="green">
+          <fo:block keep-together.within-page="always" color="green">
             <fo:block>block10</fo:block>
             <fo:block>block11</fo:block>
             <fo:block>block12</fo:block>
diff --git a/test/layoutengine/standard-testcases/list-block_keep-together.xml b/test/layoutengine/standard-testcases/list-block_keep-together.xml
index bd11d2b23..757b02539 100644
--- a/test/layoutengine/standard-testcases/list-block_keep-together.xml
+++ b/test/layoutengine/standard-testcases/list-block_keep-together.xml
@@ -25,14 +25,15 @@
   <fo>
     <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:svg="http://www.w3.org/2000/svg" white-space-collapse="true" widows="0" orphans="0">
       <fo:layout-master-set>
-        <fo:simple-page-master master-name="normal" page-width="5in" page-height="4.5 * 14.4pt">
+        <fo:simple-page-master master-name="normal" page-width="5in" page-height="20 * 14.4pt">
           <fo:region-body/>
         </fo:simple-page-master>
       </fo:layout-master-set>
       <fo:page-sequence master-reference="normal">
         <fo:flow flow-name="xsl-region-body">
           <fo:block>block1</fo:block>
-          <fo:list-block 
+          <!-- Keeps on list-block level -->
+          <fo:list-block background-color="rgb(150,150,255)"
               provisional-distance-between-starts="25mm"
               provisional-label-separation="5mm" 
               keep-together.within-page="always">
@@ -54,16 +55,16 @@
             </fo:list-item>
           </fo:list-block>
           <fo:block>block2</fo:block>
-          <fo:list-block 
-              provisional-distance-between-starts="25mm"
-              provisional-label-separation="5mm">
-            <fo:list-item keep-together.within-page="always">
+          <fo:list-block background-color="rgb(230,230,255)" 
+            provisional-distance-between-starts="25mm"
+            provisional-label-separation="5mm" 
+            keep-together.within-column="1">
+            <fo:list-item>
               <fo:list-item-label end-indent="label-end()">
                 <fo:block>label1</fo:block>
               </fo:list-item-label>
               <fo:list-item-body start-indent="body-start()">
                 <fo:block>item1</fo:block>
-                <fo:block>item1</fo:block>
               </fo:list-item-body>
             </fo:list-item>
             <fo:list-item>
@@ -76,11 +77,44 @@
             </fo:list-item>
           </fo:list-block>
           <fo:block>block3</fo:block>
+          <!-- Keeps on list-item level -->
           <fo:list-block 
               provisional-distance-between-starts="25mm"
               provisional-label-separation="5mm">
+            <fo:list-item keep-together.within-page="always" background-color="rgb(150,150,255)">
+              <fo:list-item-label end-indent="label-end()">
+                <fo:block>label1</fo:block>
+              </fo:list-item-label>
+              <fo:list-item-body start-indent="body-start()">
+                <fo:block>item1</fo:block>
+                <fo:block>item1</fo:block>
+              </fo:list-item-body>
+            </fo:list-item>
+            <fo:list-item keep-together.within-column="1" background-color="rgb(230,230,255)">
+              <fo:list-item-label end-indent="label-end()">
+                <fo:block>label1</fo:block>
+              </fo:list-item-label>
+              <fo:list-item-body start-indent="body-start()">
+                <fo:block>item1</fo:block>
+                <fo:block>item1</fo:block>
+              </fo:list-item-body>
+            </fo:list-item>
             <fo:list-item>
               <fo:list-item-label end-indent="label-end()">
+                <fo:block>label3</fo:block>
+              </fo:list-item-label>
+              <fo:list-item-body start-indent="body-start()">
+                <fo:block>item3</fo:block>
+              </fo:list-item-body>
+            </fo:list-item>
+          </fo:list-block>
+          <fo:block>block4</fo:block>
+          <!-- Keeps on list-item-body level -->
+          <fo:list-block 
+              provisional-distance-between-starts="25mm"
+              provisional-label-separation="5mm">
+            <fo:list-item background-color="rgb(150,150,255)">
+              <fo:list-item-label end-indent="label-end()">
                 <fo:block>label1</fo:block>
               </fo:list-item-label>
               <fo:list-item-body start-indent="body-start()" keep-together.within-page="always">
@@ -88,47 +122,80 @@
                 <fo:block>item1</fo:block>
               </fo:list-item-body>
             </fo:list-item>
-            <fo:list-item>
+            <fo:list-item background-color="rgb(230,230,255)">
               <fo:list-item-label end-indent="label-end()">
                 <fo:block>label2</fo:block>
               </fo:list-item-label>
-              <fo:list-item-body start-indent="body-start()">
+              <fo:list-item-body start-indent="body-start()" keep-together.within-column="1">
+                <fo:block>item2</fo:block>
                 <fo:block>item2</fo:block>
               </fo:list-item-body>
             </fo:list-item>
+            <fo:list-item>
+              <fo:list-item-label end-indent="label-end()">
+                <fo:block>label3</fo:block>
+              </fo:list-item-label>
+              <fo:list-item-body start-indent="body-start()">
+                <fo:block>item3</fo:block>
+              </fo:list-item-body>
+            </fo:list-item>
           </fo:list-block>
-          <fo:block>block4</fo:block>
+          <fo:block>block5</fo:block>
         </fo:flow>
       </fo:page-sequence>
     </fo:root>
   </fo>
   <checks>
     <element-list category="breaker">
-      <box w="14400"/>
+      <box/> <!-- block1 -->
       <penalty w="0" p="0"/>
+      
       <!-- list 1 starts -->
       <box w="14400"/>
       <penalty w="0" p="INF"/>
       <box w="14400"/>
       <!-- list 1 end -->
+      
       <penalty w="0" p="0"/>
-      <box w="14400"/>
+      <box/> <!-- block2 -->
       <penalty w="0" p="0"/>
+      
       <!-- list 2 starts -->
-      <box w="28800"/>
-      <penalty w="0" p="0"/>
+      <box w="14400"/>
+      <penalty w="0" p="999"/>
       <box w="14400"/>
       <!-- list 2 end -->
+      
       <penalty w="0" p="0"/>
-      <box w="14400"/>
+      <box/> <!-- block3 -->
       <penalty w="0" p="0"/>
+      
       <!-- list 3 starts -->
       <box w="28800"/>
       <penalty w="0" p="0"/>
       <box w="14400"/>
+      <penalty w="0" p="999"/>
+      <box w="14400"/>
+      <penalty w="0" p="0"/>
+      <box w="14400"/>
       <!-- list 3 end -->
+      
       <penalty w="0" p="0"/>
+      <box/> <!-- block4 -->
+      <penalty w="0" p="0"/>
+      
+      <!-- list 4 starts -->
+      <box w="28800"/>
+      <penalty w="0" p="0"/>
+      <box w="14400"/>
+      <penalty w="0" p="999"/>
       <box w="14400"/>
+      <penalty w="0" p="0"/>
+      <box w="14400"/>
+      <!-- list 4 end -->
+      
+      <penalty w="0" p="0"/>
+      <box/> <!-- block5 -->
       <skip>3</skip>
     </element-list>
   </checks>
diff --git a/test/layoutengine/standard-testcases/table_keep-together.xml b/test/layoutengine/standard-testcases/table_keep-together.xml
index dc3a6f0c0..227f5ede4 100644
--- a/test/layoutengine/standard-testcases/table_keep-together.xml
+++ b/test/layoutengine/standard-testcases/table_keep-together.xml
@@ -25,16 +25,16 @@
   <fo>
     <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:svg="http://www.w3.org/2000/svg" white-space-collapse="true" widows="0" orphans="0">
       <fo:layout-master-set>
-        <fo:simple-page-master master-name="normal" page-width="5in" page-height="4.5 * 14.4pt">
+        <fo:simple-page-master master-name="normal" page-width="5in" page-height="5 * 14.4pt">
           <fo:region-body/>
         </fo:simple-page-master>
       </fo:layout-master-set>
       <fo:page-sequence master-reference="normal">
         <fo:flow flow-name="xsl-region-body">
           <fo:block>block1</fo:block>
-          <fo:table table-layout="fixed" keep-together.within-page="always">
-            <fo:table-column/>
-            <fo:table-column/>
+          <fo:table table-layout="fixed" width="100%" keep-together.within-page="always">
+            <fo:table-column column-width="proportional-column-width(1)"/>
+            <fo:table-column column-width="proportional-column-width(1)"/>
             <fo:table-body>
               <fo:table-row>
                 <fo:table-cell id="cell1">
@@ -58,6 +58,35 @@
           <fo:block>block2</fo:block>
         </fo:flow>
       </fo:page-sequence>
+      <fo:page-sequence master-reference="normal">
+        <fo:flow flow-name="xsl-region-body">
+          <fo:block>block1b</fo:block>
+          <fo:table table-layout="fixed" width="100%" keep-together.within-column="1">
+            <fo:table-column column-width="proportional-column-width(1)"/>
+            <fo:table-column column-width="proportional-column-width(1)"/>
+            <fo:table-body>
+              <fo:table-row>
+                <fo:table-cell id="cell1b">
+                  <fo:block>line1</fo:block>
+                  <fo:block>line2</fo:block>
+                </fo:table-cell>
+                <fo:table-cell id="cell2b">
+                  <fo:block>line1</fo:block>
+                </fo:table-cell>
+              </fo:table-row>
+              <fo:table-row>
+                <fo:table-cell id="cell3b">
+                  <fo:block>line1</fo:block>
+                </fo:table-cell>
+                <fo:table-cell id="cell4b">
+                  <fo:block>line1</fo:block>
+                </fo:table-cell>
+              </fo:table-row>
+            </fo:table-body>
+          </fo:table>
+          <fo:block>block2b</fo:block>
+        </fo:flow>
+      </fo:page-sequence>
     </fo:root>
   </fo>
   <checks>
@@ -69,7 +98,7 @@
     <element-list category="table-cell" id="cell2">
       <box w="14400"/>
     </element-list>
-    <element-list category="breaker">
+    <element-list category="breaker" index="0">
       <box w="14400"/>
       <penalty w="0" p="0"/>
       <box w="28800"/>
@@ -79,5 +108,27 @@
       <box w="14400"/>
       <skip>3</skip>
     </element-list>
+
+    <!-- the same again but this time with keep="1" -->
+    <element-list category="table-cell" id="cell1b">
+      <box w="14400"/>
+      <penalty w="0" p="999"/>
+      <box w="14400"/>
+    </element-list>
+    <element-list category="table-cell" id="cell2b">
+      <box w="14400"/>
+    </element-list>
+    <element-list category="breaker" index="1">
+      <box w="14400"/>
+      <penalty w="0" p="0"/>
+      <box w="14400"/>
+      <penalty w="0" p="999"/>
+      <box w="14400"/>
+      <penalty w="0" p="999"/>
+      <box w="14400"/>
+      <penalty w="0" p="0"/>
+      <box w="14400"/>
+      <skip>3</skip>
+    </element-list>
   </checks>
 </testcase>