Under Emacs 24.3 and Auctex, the sub/superscript fontification is occurring outside math modes. This appears in either Beamer or normal LaTeX docs. Per this question, I've included the following ...
Is it possible to superscript the edition number of a book? It should look this way: Author(year^edition):... I am using BibTeX. At the moment my reference is printed like this: CAMPBELL, J. B. ...