CLHS: Section 1.4.4.20.3

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## 1.4.4.20.3 Requiring Non-Null Rest Parameters in the ``Syntax'' Section

In some cases it is useful to refer to all arguments equally as a single aggregation using a rest parameter while at the same time requiring at least one argument. A variety of imperative and declarative means are available in code for expressing such a restriction, however they generally do not manifest themselves in a lambda list. For descriptive purposes within this specification,

F `&rest` arguments+

means the same as

F `&rest` arguments

but introduces the additional requirement that there be at least one argument.

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