anchor.diff:      db,
       limit,
       include_docs,
  +    conflicts,
       doc_info = nil,
       offset = nil,
       total_rows,
  
positive.code:     Acc0 = #view_acc{
          db = Db,
          include_docs = IncludeDocs,
          limit = Limit+Skip,
          total_rows = Total
      },
  
negative.code:         skip = Skip,
          keys = Keys,
          include_docs = IncludeDocs,
          conflicts = Conflicts,
          stale = Stale,
          view_type = ViewType,
          extra = Extra
  