Lines Tab read only on new doc after completing

Link to SF Tracker: http://sourceforge.net/support/tracker.php?aid=3033485
globalqss -> Integrating fix for annoying bug from http://adempiere.svn.sourceforge.net/viewvc/adempiere?view=revision&revision=13343

org.adempiere.base/src/org/compiere/model/GridTab.java

@@ -613,6 +613,8 @@ public class GridTab implements DataStatusListener, Evaluatee, Serializable
 	{
 		if (!m_loadComplete) initTab(false);
 
+		Env.clearTabContext(m_vo.ctx, m_vo.WindowNo, m_vo.TabNo);
+		
 		log.fine("#" + m_vo.TabNo
 			+ " - Only Current Rows=" + onlyCurrentRows
 			+ ", Days=" + onlyCurrentDays + ", Detail=" + isDetail());

org.adempiere.base/src/org/compiere/util/Env.java

@@ -1210,6 +1210,30 @@ public final class Env
 		}
 	}	//	clearWinContext
 
+	/**
+	 * Clean up context for Window Tab (i.e. delete it).
+	 * Please note that this method is not clearing the tab info context (i.e. _TabInfo).
+	 * @param ctx context
+	 * @param WindowNo window
+	 * @param TabNo tab
+	 */
+	public static void clearTabContext(Properties ctx, int WindowNo, int TabNo)
+	{
+		if (ctx == null)
+			throw new IllegalArgumentException ("Require Context");
+		//
+		Object[] keys = ctx.keySet().toArray();
+		for (int i = 0; i < keys.length; i++)
+		{
+			String tag = keys[i].toString();
+			if (tag.startsWith(WindowNo+"|"+TabNo+"|")
+					&& !tag.startsWith(WindowNo+"|"+TabNo+"|_TabInfo"))
+			{
+				ctx.remove(keys[i]);
+			}
+		}
+	}
+	
 	/**
 	 *	Clean up all context (i.e. delete it)
 	 *  @param ctx context