code: function applyStyleOnNestedEditables( editablesContainer ) {
  		var editables = findNestedEditables( editablesContainer ),
  			editable,
  			l = editables.length,
  			i = 0,
  			range = l && new CKEDITOR.dom.range( editablesContainer.getDocument() );
  
  		for ( ; i < l; ++i ) {
  			editable = editables[ i ];
  			// Check if style is allowed by this editable's ACF.
  			if ( checkIfAllowedInEditable( editable, this ) ) {
  				range.selectNodeContents( editable );
  				applyInlineStyle.call( this, range );
  			}
  		}
  	}
docs: Apply style to nested editables inside editablesContainer. @param {CKEDITOR.dom.element} editablesContainer @context CKEDITOR.style