Thanks for noting. Edited the title to make it easier to see (I certainly missed this fact). Howerver, some points it makes are still current, specially about s

Thanks for noting. Edited the title to make it easier to see (I certainly missed this fact). Howerver, some points it makes are still current, specially about substring chains (which also apply to sub-collections). Most people who use profiles with memory profiling learn these things the hard way...