Martin Stjernholm had somewhat interesting ideas regarding making any unstable sort algorithm stable with a more or less cheap wrapper. I'm hoping he might comment on the subject. :)
/ Johan Sundström (folkskådare)
Previous text:
2003-04-23 16:15: Subject: sort
I noticed too (post facto). Array.sort_array wasn't as well documented though, but shares the property.
/ Johan Sundström (folkskådare)