emacs show latex index (reftex)

View index of latex document in emacs

1) Make sure reftex is properly installed

2) Add this section to your .emacs file

(require 'reftex)
(setq reftex-plug-into-AUCTeX t)
(add-hook 'LaTeX-mode-hook 'turn-on-reftex) 
(add-hook 'latex-mode-hook 'turn-on-reftex

2) Compile latex document

3) Showing the index in a new window

Ctrl-c =

Example: