# Access from included files to environments in AUCtex [duplicate]

When I am writing slides, I usually use one master file and several dependent files; as a macro package I use beamer. I would like to access the environments defined by the beamer package also in the dependent files (which I include through \input) through C-c C-e. I can access them in the master file. By the same token, I would like to access the macros in my macro packages, which I also include through \input. My .emacs file contains the lines

(setq-default TeX-master nil)
(setq TeX-parse-self t)
(setq TeX-auto-save t)

Any suggestions?

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Welcome to TeX.sx! You don't have to sign with your name since it automatically appears in the lower right corner of your post. –  lockstep Dec 11 '12 at 19:49
Does setting the variable LaTeX-default-style to beamer help, e.g. putting (setq LaTeX-default-style beamer)` in your emacs or by putting -*- mode: LaTeX; LaTeX-default-style: beamer; -*- in the first line of the dependent files? –  N.N. Dec 12 '12 at 9:51