# shellcheck shell=dash

___x_cmd_term_256color(){
    local i=0; while [ "$i" -le 255 ]; do
        printf "\e[48;5;${i}m\e[38;5;0m%3d "  "$i"
        printf "\e[38;5;${i}m%3d "            "$i"
        printf "\e[0m"

        i=$((i+1))
        [ "$((i%16))" != 0 ] || printf "\e[0m\n"
    done
}
