pan class="changed_modified_4_0">default</span> separator character used in component identifiers to demarcate navigation to a child naming container,
 <span class="changed_added_4_0">in case <a href="UINamingContainer.html#getSeparatorChar(jakarta.faces.context.FacesContext)"><code>UINamingContainer.getSeparatorChar(jakarta.faces.context.FacesContext)</code></a> does not resolve to a valid value.</div>
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