====== (u)rxvt ======
  * https://wiki.archlinux.org/index.php/Man_page#Colored_man_pages_on_xterm_or_rxvt-unicode
  * https://wiki.archlinux.org/index.php/rxvt-unicode
  * https://github.com/asciimoo/dotfiles/blob/master/Xdefaults
  * https://wiki.archlinux.org/index.php/Rxvt-unicode#Creating_.7E.2F.Xresources
  * https://wiki.archlinux.org/index.php/Xterm