settings_menu(){
printf '
[form #settings method="POST" action="?"
+ [hidden "session_key" "%s"]
[h1 Settings][a .settings href="?" Close]'
printf '
[a .section href="#nick" Nickname]
[div #nick [input name="nickname" value="%s"][submit "action" "nick" Set Cookie]]
- ' "$(HTML "${nickname#\?}")"
+ ' "$SESSION_KEY" "$(HTML "${nickname#\?}")"
printf '
[a .section href="#register" Register Nickname]
[div #register