Bug 168170 The pagination of pdf is not right.
When the lastly row of pagination contain the multi-line chinese char, The second page's page-header will show the chinese char that are the previous page's lastly row. I hope you can know. please see attached design/screenshot
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
{
				if ( dropValue == currentRowContent[i].rowSpan )
				{
					currentRowContent[i] = null;
				}
			}
		}
	}
	
	protected void validateBoxProperty( IStyle style )
	{
		int maxWidth = 0;
		if ( parent != null )
		{
			maxWidth = parent.getCurrentMaxContentWidth( );
		}
		
		int leftMargin = getDimensionValue( style
				.getProperty( IStyle.STYLE_MARGIN_LEFT ), maxWidth );
		int rightMargin = getDimensionValue( style
				.getProperty( IStyle.STYLE_MARGIN_RIGHT ), maxWidth );
		int topMargin = getDimensionValue( style
				.getProperty( IStyle.STYLE_MARGIN_TOP ), maxWidth );
		int bottomMargin = getDimensionValue( style
				.getProperty( IStyle.STYLE_MARGIN_BOTTOM ), maxWidth );
		int[] vs = new int[]{rightMargin, leftMargin};
		resolveBoxConflict( vs, maxWidth );
		int[] hs = new int[]{bottomMargin, topMargin};
		resolveBoxConflict( hs, context.getMaxHeight( ) );
		style.setProperty( IStyle.STYLE_MARGIN_LEFT, new FloatValue(