lispdoc - results for print-unreadable-object

(print-unreadable-object (object stream &key type identity) &body body)
Function: Output OBJECT to STREAM with "#<" prefix, ">" suffix, optionally with object-type prefix and object-identity suffix, and executing the code in BODY to provide possible further output.
 Mentioned in:
CLtL2 - 2.14. Unreadable Data Objects
CLtL2 - 22.1.4. Standard Dispatching Macro Character Syntax
CLtL2 - 22.1.6. What the Print Function Produces
CLtL2 - 22.3.1. Output to Character Streams
CLtL2 - 9.1. Declaration Syntax
HyperSpec - Macro PRINT-UNREADABLE-OBJECT
PCL - the heart of a spam filter
PCL - whats next
Successful Lisp - chapter06