message="$(COOKIE message)"
[ "$message" ] && SET_COOKIE 0 message=''
+checked(){ [ "$1" = "$2" ] || [ "$1" -eq "$2" ] && printf 'checked="checked"' 2>/dev/null; }
+selected(){ [ "$1" = "$2" ] || [ "$1" -eq "$2" ] && printf 'selected="selected"' 2>/dev/null; }
+
yield_page() {
local class="$1" style="$2"
printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'