Bug 157722 List group header displays twice when the group begins in a new page.
Description: List group header displays twice when the group begins in a new page. Steps to reproduce: 1. Preview attached report in pdf. 2. See the next page Expected result: One group header. Actual result: Group header displays twice.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableGroupLM.java
while ( iter.hasNext( ) )
			{
				row = (RowArea) iter.next( );
				addArea( row );
				count++;
			}
			if ( row != null )
			{
				removeBottomBorder( row );
			}
			tableLM.setRepeatCount( tableLM.getRepeatCount( ) + count );
		}
		tableLM.getContent( ).setExtension( IContent.LAYOUT_EXTENSION, null );
	}
	public int getCurrentBP( )
	{
		return parent.getCurrentBP( );
	}
	protected boolean submitRoot( boolean childBreak )
	{
		return true;
	}
	public int getCurrentIP( )
	{
		return parent.getCurrentIP( );
	}
	public int getMaxAvaHeight( )
	{
		return parent.getMaxAvaHeight( );
	}