redguardtoo/emacs.d — pull request #1 by redguardtoo (2011-12-01 06:19:12+00:00)
Title: emacs 23.1 on centos 6.0 will have string-prefix-p void function error

the key problem is string-prefix-p does not exist.
I tried to install to emacs 23.3 on centos 6.0 but looks it's troublesome