[range.join.with.view] defines what seems to me to be a fairly general concept:

template<class R>
  concept bidirectional-common = bidirectional_range<R> && common_range<R>;    // exposition only

However, it is only used in the join_with_view section.

Should we expose it to [ranges] to simplify spellings used elsewhere like bidirectional_range<R> && common_range<R>?
Perhaps we can also create another one such as random-access-sized to simplify constraints.