[patch][0.15] better DirState._validate

[Martin Pool]

On 3/26/07, Robert Collins <robertc at robertcollins.net> wrote:
> On Mon, 2007-03-26 at 18:53 +1000, Martin Pool wrote:
>
> This could be more clear about what its trying to do: it does work, but
> excClass can be a tuple in fact. Other than that, +1.

Thanks.  The superclass implementation has a parameter called excClass
and it seems possible people will pass it as a named parameter, so I
didn't change it to exc_class_or_tuple, but instead added a docstring
entry and comment.
-- 
Martin