function sev_preexec {
# change terminal title to show command
print -n "\e]2;$(print -P '%#')${SSH_CLIENT+$USER@$HOST:}$1\e\\"
function sev_preexec {
# change terminal title to show command
print -n "\e]2;$(print -P '%#')${SSH_CLIENT+$USER@$HOST:}$1\e\\"