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a/src/qtgui/uiprefs.ui b/src/qtgui/uiprefs.ui
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   <item>
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   <item>
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    <layout class="QVBoxLayout">
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    <layout class="QVBoxLayout">
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     <item>
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     <item>
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      <widget class="QTabWidget" name="tabWidget">
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      <widget class="QTabWidget" name="tabWidget">
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       <property name="currentIndex">
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       <property name="currentIndex">
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        <number>3</number>
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        <number>1</number>
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       </property>
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       </property>
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       <widget class="QWidget" name="tab">
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       <widget class="QWidget" name="tab">
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        <attribute name="title">
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        <attribute name="title">
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         <string>User interface</string>
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         <string>User interface</string>
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        </attribute>
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        </attribute>
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             </item>
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             </item>
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             <item>
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             <item>
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              <widget class="QSpinBox" name="pageLenSB">
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              <widget class="QSpinBox" name="pageLenSB">
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               <property name="minimum">
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               <property name="minimum">
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                <number>1</number>
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                <number>1</number>
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               </property>
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               <property name="maximum">
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                <number>9999</number>
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               </property>
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               </property>
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               <property name="value">
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               <property name="value">
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                <number>8</number>
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                <number>8</number>
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               </property>
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               </property>
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              </widget>
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              </widget>