In case it is easy to do this: would be great if this could support multiple
structure types for the URL rewriting.
Based on the actual value of %t for example, should allow for use of different
-N options.
Example:

-N [%t=html]%p/%n/index%[page].%t -N %p/%n%q.%t

It would use the first matching pattern - if type s html use the first pattern
above, otherwise use the second one.