Bug 204245 Blank column on visibility column in excel[0300]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/LayoutUtil.java
}
		return false;
	}
	static private boolean contains( String formats, String format )
	{
		int index = formats.indexOf( format );
		if ( index != -1 )
		{
			if ( index > 0 )
			{
				if ( formats.charAt( index - 1 ) != ',' )
				{
					return false;
				}
			}
			int lastIndex = index + format.length( );
			if ( lastIndex < formats.length( ) )
			{
				if ( formats.charAt( lastIndex ) != ',' )
				{
					return false;
				}
			}
			return true;
		}
		return false;
	}
	
	
	public static boolean isRepeatableBand(IBandContent band)