If you experience the following error while doing subversion check outs:
[nomel@lemon]$ svn
svn: warning: cannot set LC_CTYPE locale
svn: warning: environment variable LANG is en_US.UTF-8
svn: warning: please check that your locale name is correct
Type 'svn help' for usage.
That means your LANG exported in your ~/.barshrc is not supported in your system.
[nomel@lemon]$ localte -a
#that commands will list all LANG supported on your system and then take one add to your bashrc file.
Or try this to remedy the situation:
echo "export LC_ALL=C" >> /etc/profile
export LC_ALL=C