|  | ANSI Common Lisp  1 Introduction  1.5 Conformance  1.5.1 Conforming Implementations 1.5.1.2   Documentation of Implementation-Dependent FeaturesA conforming implementation shall be accompanied by a document
that provides a definition of all implementation-defined
aspects of the language defined by this specification.
In addition, a conforming implementation is encouraged (but not required) 
to document items in this standard that are identified as
implementation-dependent, although in some cases
such documentation might simply identify the item as "undefined."
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