Bug 204245 Blank column on visibility column in excel[0300]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/internal/content/wrap/TableContentWrapper.java
return visitor.visitTable( this, value );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.content.ITableContent#addColumn(org.eclipse.birt.report.engine.content.IColumn)
	 */
	public void addColumn( IColumn column )
	{
		tableContent.addColumn( column );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.content.ITableContent#getCaption()
	 */
	public String getCaption( )
	{
		return tableContent.getCaption( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.content.ITableContent#getColumn(int)
	 */
	public IColumn getColumn( int index )
	{
		return tableContent.getColumn( index );
	}
	/*