[patch] Re: string::rfind() -- empty strings...

[Benjamin Kosnik]

> effectively returns min(a.size(),pos). No other behavior is affected.
> I'll put together a testsuite for this -- Q: should I just copy
> 21_string/find.cc to rfind.cc or just add the rfind() stuff to
> find.cc?

might as well make a new testcase, especially if it's got a bunch of 
stuff in it.

Nathan can you look at this, I'm in the middle of other stuff

-benjamin