sorin-ionescu/prezto — pull request #528 by danclaudiupop (2014-01-06 14:51:16+00:00)
Title: force tmux to use 256 colors by adding the -2 flag

When I'm in when tmux mode via `tzstyle ':prezto:module:tmux:auto-start' local 'yes'` the colorscheme I have set in vim does not show up.

-2 option will force tmux to assume the terminal supports 256 colours.