zshrc: work around my shell function that turns on utf8 in screen The zsh built in which was getting confused by the function, and always claimed screen was installed. I'm finally running into machines with tmux but not screen, so I noticed.

startup_message off
caption always "%w"
defscrollback 2000
vbell off
escape "^Bb"
bell_msg "^G"


#hardstatus on
#hardstatus alwayslastline
#hardstatus string "%{.bW}%-w%{.rW}%n %t%{-}%+w %=%{..G} %H %{..Y} %m/%d %C%a "