在Word CustomUI中看不到“插入超链接”按钮

Question

我为Word CustomUI创建了以下XML：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui">
<ribbon>
    <tabs>
        <tab idMso="TabHome">
        <group idMso="GroupFont" visible="false" />
        <group idMso="GroupParagraph" visible="false" />
        <group idMso="GroupInsertTables" insertBeforeMso="GroupStyles" />
        <group id="CustGrp1" label="Next" insertBeforeMso="GroupStyles">
            <toggleButton idMso="AlignLeft" showLabel="false" />
            <toggleButton idMso="AlignCenter" showLabel="false" />
            <toggleButton idMso="AlignRight" showLabel="false" />

            <button idMso="IndentDecreaseWord" showLabel="false" />
            <button idMso="IndentIncreaseWord" showLabel="false" />
            <gallery idMso="MultilevelListGallery" showLabel="false" /> 

            <gallery idMso="FontColorPicker" showLabel="false" />
            <gallery idMso="ShadingColorPicker" showLabel="false" />
            <toggleButton idMso="Superscript" showLabel="false" />

            <button idMso="SpellingAndGrammar" showLabel="false" />
            <splitButton idMso="TableBordersMenu" showLabel="false" />
            <button idMso="SymbolsDialog" showLabel="false" />
            <button idMso="HyperlinkInsert" showLabel="true" />

            <gallery idMso="AutoTextGallery" showLabel="true" />
            <button idMso="BookmarkInsert" showLabel="true" />
            <button id="ReferenceInsert" label="Referentie" imageMso="CrossReferenceInsert" onAction="modCode.ButtonOnAction" />

            <button idMso="ReviewNewComment" showLabel="false" />
            <toggleButton idMso="ParagraphMarks" showLabel="false" />
          </group>
      </tab>
    </tabs>
</ribbon>

HyperlinkInsert按钮不可见。有人知道我在做什么错吗？

screenshot CustomUI