<BUG>package com.liferay.portlet.wiki.action;
import com.liferay.portal.kernel.servlet.SessionErrors;</BUG>
import com.liferay.portal.kernel.util.Constants;
<BUG>import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.security.auth.PrincipalException;</BUG>
import com.liferay.portal.service.ServiceContext;

package com.liferay.portlet.wiki.action;
import com.liferay.portal.PortalException;
import com.liferay.portal.SystemException;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.service.ServiceContext;
