class adv_number {
     %% Adverbs on number
     %%      example: 2 à quasiment 10 personnes peuvent y dormir.
    <: adv_modifier;
    node Root : [cat: number];
    Adv < Foot;
    node(Incise).bot.incise_kind = value(dash|par);
    node(Adv).bot.adv_kind = value(~très|intensive|equalizer);
    %% should add some restrictions on the possible adv
    %% eg: presque quasiment approximativement environ sensiblement
    %% no argument in this case
    desc.@kind0 = value(-);
}