lispdoc - results for compiler-macro-function

(compiler-macro-function name &optional env)
Function: If NAME names a compiler-macro in ENV, return the expansion function, else return NIL. Can be set with SETF when ENV is NIL.
 Mentioned in:
CLtL2 - 7.2. Generalized Variables
CLtL2 - 8.1. Macro Definition
CLtL2 - 8.4. Compiler Macros
HyperSpec - Accessor COMPILER-MACRO-FUNCTION