Re: this is United States calling (was: Re: [External] : Is there any difference between `equal' and `string=' for strings?)

[Emanuel Berg]

> If one passes complex list structures as an argument to
> a function, how does that happen? Does it happen differently
> from other types, maybe just a reference to the `car'?

Seems to be different but from function to function rather.

`nconc' (C built-in function)

  Concatenate any number of lists by altering them. Only the
  last argument is not altered, and need not be a list.

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