Re: ERB call on addressing

>http://server/documentY/partX/subZ (because after all, I could ask for just
>that), but then I request partX and a little later subZ.  With a little thought
>it's pretty likely they are the same, but there is no guarantee.  I now have
>two versions of subZ.  This is not good behavior.  I think it's worthwhile for
>the client to know both subZs are more than coincidentally the same.

Use a different naming scheme and entities then.