Litmus Lozenges. According to the movie, Because of Winn-Dixie, Franny Block, a librarian, tells a few neighborhood children of the legend of the Litmus Lozenge. Franny’s grandfather invented the candy after his many years of service in the Civil War. The tragedies and visions of war marched through his mind in their familiar paths. After coming home to find all of his family members had...