The "emacs-linum-mode" AUR package [1] appears to be unnecessary with the introduction of linum-mode in emacs 23.1 and thus should be deleted.

bzr://bzr.savannah.gnu.org/emacs/trunk/etc/NEWS.23: ... * New Modes and Packages in Emacs 23.1 ... ** linum.el is a new minor mode to display line numbers for the current buffer. ...

http://web.student.tuwien.ac.at/~e0225855/linum/linum.el: ;;; linum.el --- Display line numbers to the left of buffers

;; Copyright (C) 2007, 2008 Markus Triska

;; Author: Markus Triska markus.triska@gmx.at ... (defconst linum-version "0.9wza") ...

/usr/share/emacs/23.4/lisp/linum.el.gz: ;;; linum.el --- display line numbers in the left margin

;; Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.

;; Author: Markus Triska markus.triska@gmx.at ... (defconst linum-version "0.9x") ...

[1] https://aur.archlinux.org/packages.php?ID=49255

-Ruslan