<span class="link show_cc" data-bind="i18n: {'key': '%MODULENAME%/ACTION_SHOW_CC'}, visible: !visibleCc() && allowCcBccSwitchers(), click: changeCcVisibility"></span>
<span class="link show_bcc" data-bind="i18n: {'key': '%MODULENAME%/ACTION_SHOW_BCC'}, visible: !visibleBcc() && allowCcBccSwitchers(), click: changeBccVisibility"></span>
