Bug 157262 Column visibility doesn't work properly in attached report in PDF
Column visibility doesn't work properly in attached report Steps to reproduce: 1.open the attached file 2.preview it in PDF Expected result: Column visibility works well in PDF Actual result: The column visibility of the second and third column of the inner grid in the cell(1,0) doesn't works
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
regionLM.initialize( header, null );
		regionLM.layout( );
		TableArea tableRegion = (TableArea) tableContent
				.getExtension( IContent.LAYOUT_EXTENSION );
		if ( tableRegion != null
				&& tableRegion.getHeight( ) < this.getMaxAvaHeight( )
						- currentBP )
		{
			
			Iterator iter = tableRegion.getChildren( );
			RowArea row = null;
			while ( iter.hasNext( ) )
			{
				row = (RowArea) iter.next( );
				addArea( row );
				repeatRowCount++;
			}
			if ( row != null )
			{
				removeBottomBorder( row );
			}
		}
		tableContent.setExtension( IContent.LAYOUT_EXTENSION, null );
	}
	protected void addCaption( String caption )
	{
		if ( caption == null || "".equals( caption ) ) 
		{
			return;
		}