ol-first even-row-color class-summary class-summary-tab1"><a href="UpdateLayout.html" title="interface in icyllis.modernui.text.style">UpdateLayout</a></div>
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<div class="block">The classes that affect character-level text formatting in a way that
 triggers a text layout update when one is added or removed must implement
 this interface.</div>
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<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="URLSpan.ht