The packages LISP, USER, and SYSTEM are no longer required. It is valid for packages with one or more of these names to be provided by a conforming implementation as extensions.
![[HARLEQUIN]](../Graphics/Harlequin-Small.gif)
![[Common Lisp HyperSpec (TM)]](../Graphics/HyperSpec-Small.gif)
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![[Starting Points]](../Graphics/Starting-Points.gif)
![[Contents]](../Graphics/Contents.gif)
![[Index]](../Graphics/Index.gif)
![[Symbols]](../Graphics/Symbols.gif)
![[Glossary]](../Graphics/Glossary.gif)
![[Issues]](../Graphics/Issues.gif)