Method code for $list.to_english()

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arg list, @options;
var empty, and, sep;

[(empty ?= "nothing"), (and ?= " and "), (sep ?= ", ")] = options;
switch (list.length()) {
    case 0:
        return empty;
    case 1:
        return tostr(list[1]);
}
return join(list.delete(list.length()), sep) + and + tostr(list[list.length()]);

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// Created 27-Mar-1995 as a part of ColdCore, see: @help Credit