Bug 214005 [regression]In pdf, master page content lost.[1200]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFPageLM.java
if ( overFlowType == IPDFRenderOption.CLIP_CONTENT )
		{
			pageRoot.setNeedClip( true );
		}
		else
		{
			pageRoot.setNeedClip( false );
		}
		rootLeft = getDimensionValue( pageContent.getMarginLeft( ),
				pageContentWidth );
		rootTop = getDimensionValue( pageContent.getMarginTop( ), pageContentWidth );
		rootLeft = Math.max( 0, rootLeft );
		rootLeft = Math.min( pageContentWidth, rootLeft );
		rootTop = Math.max( 0, rootTop );
		rootTop = Math.min( pageContentHeight, rootTop );
		pageRoot.setPosition( rootLeft, rootTop );
		int rootRight = getDimensionValue( pageContent.getMarginRight( ),
				pageContentWidth );
		int rootBottom = getDimensionValue( pageContent.getMarginBottom( ),
				pageContentWidth );
		rootRight = Math.max( 0, rootRight );
		rootBottom = Math.max( 0, rootBottom );
		if ( rootLeft + rootRight > pageContentWidth )
		{
			rootRight = 0;
		}
		if ( rootTop + rootBottom > pageContentHeight )
		{
			rootBottom = 0;
		}