Use the supposedly illegal but beautiful Monaco font.

It's the patched version from over [there](https://github.com/Lokaltog/vim-powerline/wiki/Patched-fonts)

.Xresources

*color15:               S_base3
URxvt*scrollBar: false
URxvt*font: xft:Bitstream Vera Sans Mono:pixelsize=14
URxvt*font:                 xft:Monaco for Powerline:regular:size=11
URxvt*imFont:               xft:Monaco for Powerline:regular:size=11
URxvt*boldFont:             xft:Monaco for Powerline:bold:size=11
URxvt*italicFont:           xft:Monaco for Powerline:italic:size=11
URxvt*boldItalicFont:       xft:Monaco for Powerline:bold:italic:size=11