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#### 3.4.5 Using `\eqref`

Another case where one only wants to change the information associated with the label category is to change the macro which is used for referencing the label. When working with the AMS-LaTeX stuff, you might prefer `\eqref` for doing equation references. Here is how to do this:

         (setq reftex-label-alist '((nil ?e nil "~\\eqref{%s}" nil nil)))

RefTeX has also a predefined symbol for this special purpose. The following is equivalent to the line above.

         (setq reftex-label-alist '(AMSTeX))

Note that this is automatically done by the `amsmath.el` style file of AUCTeX (see Style Files) - so if you use AUCTeX, this configuration will not be necessary.