Nerd tree: enter does not open sub dirs

Question

I installed NERDTree via Pathogen on Mac OSX 10.6.8.

When I vim a dir, I cannot enter into sub dirs with enter key. Furthermore, the dirs look like this:

Answer 1

Check locale on your system, if output is something like this one LANG=C then do the following steps:

1. sudo echo "LANG=en_US.UTF-8" >> /etc/locale.conf
2. sudo locale-gen and sudo reboot

check your locale again. Hope this can solve your problem.