Previously: Mellie and Olivia on Scandal. How does one even begin to write about Anne and Diana? Anne of Green Gables (the book and the film) is a sacred text for a certain type of bookish woman. There are rituals and invocations; there are chants to recite (Carrots, bosom friends, puffed sleeves; carrots, bosom friends, puffed sleeves); there is the Holy Land of Prince Edward Island. "Femslash" is the first Google auto-fill after searching…