However , after a few years , the coverage of many subjects tends to broaden , so now , there are related subarticles , such as `` Scarlett O'Hara '' or `` Rhett Butler '' ( or other characters in Margaret Mitchell 's 1936 novel ) . However , after a few years , the coverage of many subjects tends to broaden , so now , there are related subarticles , as `` Scarlett O'Hara '' or `` Rhett Butler '' or `` Ashley Wilkes '' ( or other characters in Margaret Mitchell 's 1936 novel ) .