// Backlit monsters are fuzzy and override brands.
    if (mons->has_ench(ENCH_INVIS) && mons->has_ench(ENCH_BACKLIGHT))
        col = DARKGREY;

    //case MONS_INSUBSTANTIAL_WISP: //jmf: I'm not sure if these glow or not
    //case MONS_VAPOUR:
    case MONS_UNSEEN_HORROR:    // consider making this visible? probably not.
        return (false);

    int lvl = bklt.degree;

    const int lvl = bklt.degree;
    // this enchantment overrides invisibility (neat)
    if (menv[mon].has_ench(ENCH_INVIS))
    {
        if (!menv[mon].has_ench(ENCH_BACKLIGHT))
        {
            menv[mon].add_ench(
                mon_enchant(ENCH_BACKLIGHT, 1, KC_OTHER, random_range(30, 50)));
            simple_monster_message( &menv[mon], " is limned in light." );
        }
        return (true);
    }
    
    menv[mon].add_ench(mon_enchant(ENCH_BACKLIGHT, 1));

    // this enchantment wipes out invisibility (neat)
    menv[mon].del_ench(ENCH_INVIS);
    menv[mon].add_ench(mon_enchant(ENCH_BACKLIGHT, 1));

            // Monsters affected by corona are still invisible in that
            // radiation passes through them without affecting them. Therefore,
            // this check should not be !monster->invisible().

     140,                       // SK_THROWING

     140,                       // SK_RANGED_COMBAT

                    if (you.duration[DUR_INVIS])

                    if (you.invisible())

        || (mon->has_ench(ENCH_INVIS) && !player_see_invis()))

        || (mon->invisible() && !player_see_invis()))

    return (duration[DUR_INVIS]);

    return (duration[DUR_INVIS] && !backlit());

// resistance part already says so
//    if (you.duration[DUR_SEE_INVISIBLE])
//        text += "see invisible, ";

                  || monster->has_ench(ENCH_INVIS)) &&
        (!player_see_invis());

                  || monster->invisible()) && !player_see_invis();

    if (proxPlayer && you.duration[DUR_INVIS])

    if (proxPlayer && you.invisible())

    if (monster->has_ench(ENCH_INVIS))

    if (monster->invisible())

        || (targ->has_ench(ENCH_INVIS) && !mons_see_invis(mon)))

        || (targ->invisible() && !mons_see_invis(mon)))

    if (you.duration[DUR_INVIS])

    if (you.invisible())

    const mon_enchant me = i->second;

    remove_enchantment_effect(i->second, quiet);

    remove_enchantment_effect(me, quiet);

                mprf("%s appears!", name(DESC_CAP_A).c_str() );

                mprf("%s appears!", name(DESC_CAP_A, true).c_str() );

            simple_monster_message(this, " stops glowing.");

        {
            if (player_monster_visible(this))
                simple_monster_message(this, " stops glowing.");
            else if (has_ench(ENCH_INVIS) && mons_near(this))
                mprf("%s stops glowing and disappears.",
                     name(DESC_CAP_THE, true).c_str());
        }

    return (has_ench(ENCH_INVIS));

    return (has_ench(ENCH_INVIS) && !backlit());

        // Invisibility cancels backlight.
        you.duration[DUR_BACKLIGHT] = 0;

    if (you.duration[DUR_INVIS] && !see_invis)

    if (you.invisible() && !see_invis)

    bool decay_enchantment(const mon_enchant &me, bool decay_degree = false);

    bool decay_enchantment(const mon_enchant &me, bool decay_degree = true);

            // A casting of invisibility erases backlight.
            monster->del_ench(ENCH_BACKLIGHT);
            

                     player_see_invis() ? "for a moment." 
                                        : "and vanishes!" );

                     player_monster_visible(monster) ? "for a moment." 
                                                     : "and vanishes!" );

    const bool needs_fuzz = beam.is_tracer && !beam.can_see_invis 
                            && you.duration[DUR_INVIS];

    const bool needs_fuzz =
        beam.is_tracer && !beam.can_see_invis && you.invisible();

        if (beam.can_see_invis || !you.duration[DUR_INVIS]

        if (beam.can_see_invis || !you.invisible()

    if (you.duration[DUR_INVIS] && !beam.can_see_invis)

    if (you.invisible() && !beam.can_see_invis)

                beam.obvious_effect = true;
            }
            else
            {
                mpr("You feel strangely conspicuous.");
                if ((you.duration[DUR_BACKLIGHT] += random_range(3, 5)) > 250)
                    you.duration[DUR_BACKLIGHT] = 250;

        if (!beam.can_see_invis && menv[tid].has_ench(ENCH_INVIS))

        if (!beam.can_see_invis && menv[tid].invisible())