diff --git a/ws/Docbook/Extensions/Tdata/Scale/Ref/cashRegister.svg b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/cashRegister.svg
similarity index 100%
rename from ws/Docbook/Extensions/Tdata/Scale/Ref/cashRegister.svg
rename to ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/cashRegister.svg
diff --git a/ws/Docbook/Extensions/Tdata/Scale/Ref/currencyConverter.webm b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/currencyConverter.webm
similarity index 100%
rename from ws/Docbook/Extensions/Tdata/Scale/Ref/currencyConverter.webm
rename to ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/currencyConverter.webm
diff --git a/ws/Docbook/Extensions/Tdata/Scale/Ref/domtree.fig b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/domtree.fig
similarity index 100%
rename from ws/Docbook/Extensions/Tdata/Scale/Ref/domtree.fig
rename to ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/domtree.fig
diff --git a/ws/Docbook/Extensions/Tdata/Scale/Ref/dualSigned3bit.svg b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/dualSigned3bit.svg
similarity index 100%
rename from ws/Docbook/Extensions/Tdata/Scale/Ref/dualSigned3bit.svg
rename to ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/dualSigned3bit.svg
diff --git a/ws/Docbook/Extensions/Tdata/Scale/Ref/scannerUsage.webm b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/scannerUsage.webm
similarity index 100%
rename from ws/Docbook/Extensions/Tdata/Scale/Ref/scannerUsage.webm
rename to ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/scannerUsage.webm
diff --git a/ws/Docbook/Extensions/Tdata/Scale/Ref/xpath.fig b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/xpath.fig
similarity index 100%
rename from ws/Docbook/Extensions/Tdata/Scale/Ref/xpath.fig
rename to ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/xpath.fig
diff --git a/ws/Docbook/Extensions/Tdata/Scale/Ref/z80DataBus.jpg b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/z80DataBus.jpg
similarity index 100%
rename from ws/Docbook/Extensions/Tdata/Scale/Ref/z80DataBus.jpg
rename to ws/Docbook/Extensions/Tdata/Scale/FormatXfig/Ref/z80DataBus.jpg
diff --git a/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/xpath.xml b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/xpath.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4267fc53153a3171fbccbcfb30bb6b60d91f566f
--- /dev/null
+++ b/ws/Docbook/Extensions/Tdata/Scale/FormatXfig/xpath.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<chapter annotations="slide" xml:id="scale"
+ xmlns="http://docbook.org/ns/docbook"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xila="http://www.w3.org/2001/XInclude/local-attributes"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ xmlns:trans="http://docbook.org/ns/transclusion"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:m="http://www.w3.org/1998/Math/MathML"
+ xmlns:html="http://www.w3.org/1999/xhtml"
+ xmlns:db="http://docbook.org/ns/docbook">
+ <title>Images</title>
+
+ <figure xml:id="sd1VideoUsingScannerClass">
+ <title>Using a <classname
+ xlink:href="https://docs.oracle.com/javase/8/docs/api/java/util/Scanner.html">Scanner</classname>
+ class collecting user input.</title>
+
+ <mediaobject>
+ <videoobject>
+ <videodata fileref="Ref/scannerUsage.webm" format="video/webm"/>
+ </videoobject>
+ </mediaobject>
+ </figure>
+
+ <figure xml:id="videoCurrencyConverter">
+ <title>A currency converter.</title>
+
+ <mediaobject>
+ <videoobject>
+ <videodata fileref="Ref/currencyConverter.webm" format="video/webm"/>
+ </videoobject>
+ </mediaobject>
+ </figure>
+
+ <figure xml:id="cashRegisterScaled200">
+ <title>A 75 x 120 image.</title>
+
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="Ref/cashRegister.svg"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+
+ <figure xml:id="domTree">
+ <title>A DOM tree.</title>
+
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="Ref/domtree.fig"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+
+ <figure xml:id="dualSigned3bit">
+ <title>3-bit signed.</title>
+
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="Ref/dualSigned3bit.svg"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+
+ <figure xml:id="z80">
+ <title>Z-80 processor.</title>
+
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="Ref/z80DataBus.jpg"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+
+ <figure xml:id="xpath">
+ <title>XPath</title>
+
+ <mediaobject>
+ <imageobject>
+ <imagedata fileref="Ref/xpath.fig"/>
+ </imageobject>
+ </mediaobject>
+ </figure>
+</chapter>
diff --git a/ws/Docbook/Extensions/Tdata/Scale/scale.xml b/ws/Docbook/Extensions/Tdata/Scale/scale.xml
index 5789fb0eccee83d9f666f30e52ef700f275e95e3..4c58a6b038f3ec2e6df260cb17adb146c2da09ba 100644
--- a/ws/Docbook/Extensions/Tdata/Scale/scale.xml
+++ b/ws/Docbook/Extensions/Tdata/Scale/scale.xml
@@ -22,79 +22,5 @@
<pubdate/>
</info>
- <chapter annotations="slide" xml:id="scale">
- <title>Images</title>
-
- <figure xml:id="sd1VideoUsingScannerClass">
- <title>Using a <classname
- xlink:href="https://docs.oracle.com/javase/8/docs/api/java/util/Scanner.html">Scanner</classname>
- class collecting user input.</title>
-
- <mediaobject>
- <videoobject>
- <videodata fileref="Ref/scannerUsage.webm" format="video/webm"/>
- </videoobject>
- </mediaobject>
- </figure>
-
- <figure xml:id="videoCurrencyConverter">
- <title>A currency converter.</title>
-
- <mediaobject>
- <videoobject>
- <videodata fileref="Ref/currencyConverter.webm" format="video/webm"/>
- </videoobject>
- </mediaobject>
- </figure>
-
- <figure xml:id="cashRegisterScaled200">
- <title>A 75 x 120 image.</title>
-
- <mediaobject>
- <imageobject>
- <imagedata fileref="Ref/cashRegister.svg"/>
- </imageobject>
- </mediaobject>
- </figure>
-
- <figure xml:id="domTree">
- <title>A DOM tree.</title>
-
- <mediaobject>
- <imageobject>
- <imagedata fileref="Ref/domtree.fig"/>
- </imageobject>
- </mediaobject>
- </figure>
-
- <figure xml:id="dualSigned3bit">
- <title>3-bit signed.</title>
-
- <mediaobject>
- <imageobject>
- <imagedata fileref="Ref/dualSigned3bit.svg"/>
- </imageobject>
- </mediaobject>
- </figure>
-
- <figure xml:id="z80">
- <title>Z-80 processor.</title>
-
- <mediaobject>
- <imageobject>
- <imagedata fileref="Ref/z80DataBus.jpg"/>
- </imageobject>
- </mediaobject>
- </figure>
-
- <figure xml:id="xpath">
- <title>XPath</title>
-
- <mediaobject>
- <imageobject>
- <imagedata fileref="Ref/xpath.fig"/>
- </imageobject>
- </mediaobject>
- </figure>
- </chapter>
+ <xi:include href="FormatXfig/xpath.xml" xpointer="element(/1)"/>
</book>