YUI.add("moodle-atto_underline-button",function(e,t){e.namespace("M.atto_underline").Button=e.Base.create("button",e.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addBasicButton({exec:"underline",keys:"85",tags:"u"})}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});