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/usr/share/help/da/gnome-dictionary/find.page is in gnome-dictionary 3.10.0-1ubuntu1.

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The actual contents of the file can be viewed below.

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<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" type="task" id="find" xml:lang="da">

  <info>
    <revision pkgversion="3.6" version="0.1" date="2013-03-29" status="candidate"/>
    <link type="guide" xref="index#features"/>

    <credit type="author copyright">
      <name>Sindhu S</name>
      <email>sindhus@live.in</email>
      <years>2013</years>
    </credit>
    <credit type="copyright editor">
      <name>Ekaterina Gerasimova</name>
      <email>kittykat3756@gmail.com</email>
      <years>2013</years>
    </credit>

    <include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>

    <desc>Find text in a definition.</desc>

  </info>

  <title>Search within a definition</title>

  <p>Some dictionary entries can be very long and can contain many results, so
  you may wish to search them to find the section that is relevant to you.</p>

  <steps>
    <title>To find definitions:</title>
    <item>
      <p>Select <guiseq><gui style="menu">Edit</gui>
      <gui style="menuitem">Find</gui></guiseq>.</p>
    </item>
    <item>
      <p>The <gui>Find</gui> bar will appear at the bottom of the
      <app>Dictionary</app> window. Type in your search term to search within
      the definition that is currently displayed.</p>
    </item>
    <item>
      <p>Click <gui style="button">Previous</gui> or
      <gui style="button">Next</gui> to scroll through the results. The search
      will not wrap around: in other words, it will not go to the top of the
      page when you are on the last result and click
      <gui style="button">Next</gui>.</p>
    </item>
  </steps>

</page>