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diff --git a/indra/newview/lldateutil.h b/indra/newview/lldateutil.h
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+/** 
+* @file lldateutil.h
+*
+* $LicenseInfo:firstyear=2009&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+* 
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+* 
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+* 
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#ifndef LLDATEUTIL_H
+#define LLDATEUTIL_H
+
+class LLDate;
+
+namespace LLDateUtil
+{
+	/**
+	 * Convert a date provided by the server into seconds since the Epoch.
+	 * 
+	 * @param[out] date Number of seconds since 01/01/1970 UTC.
+	 * @param[in]  str  Date string (MM/DD/YYYY) in PDT time zone.
+	 * 
+	 * @return true on success, false on parse error
+	 */
+	bool dateFromPDTString(LLDate& date, const std::string& str);
+
+	/**
+	 * Get human-readable avatar age.
+	 * 
+	 * Used for avatar inspectors and profiles.
+	 * 
+	 * @param born_date Date an avatar was born on.
+	 * @param now       Current date.
+	 * 
+	 * @return human-readable localized string like "1 year, 2 months",
+	 *         or "???" on error.
+	 */
+	std::string ageFromDate(const LLDate& born_date, const LLDate& now);
+
+	// Convert a date provided by the server (MM/DD/YYYY) into a localized,
+	// human-readable age (1 year, 2 months) using translation strings.
+	// Pass LLDate::now() for now.
+	// Used for avatar inspectors and profiles.
+	std::string ageFromDate(const std::string& date_string, const LLDate& now);
+
+	// Calls the above with LLDate::now()
+	std::string ageFromDate(const std::string& date_string);
+}
+
+#endif