// * permanent friendlies can be assumed to have been warned by the
    //   player about all traps s/he knows about
    // * very intelligent monsters can be assumed to have a high T&D skill
    //   (or have memorised part of the dungeon layout ;) )

    // * friendlies and good neutrals can be assumed to have been warned
    //   by the player about all traps s/he knows about
    // * very intelligent monsters can be assumed to have a high T&D
    //   skill (or have memorised part of the dungeon layout ;) )

            || monster->attitude == ATT_FRIENDLY

            || mons_wont_attack(monster)

    // Friendly monsters don't enjoy Zot trap perks; handle accordingly.
    if (mons_friendly(monster))

    // Friendly and good neutral monsters don't enjoy Zot trap perks;
    // handle accordingly.
    if (mons_wont_attack(monster))