lispdoc - results for unintern

(unintern symbol &optional (package (sane-package)))
Function: Makes SYMBOL no longer present in PACKAGE. If SYMBOL was present then T is returned, otherwise NIL. If PACKAGE is SYMBOL's home package, then it is made uninterned.
 Mentioned in:
CLtL2 - 11. Packages
CLtL2 - 11.1. Consistency Rules
CLtL2 - 11.2. Package Names
CLtL2 - 11.3. Translating Strings to Symbols
CLtL2 - 11.4. Exporting and Importing Symbols
CLtL2 - 11.5. Name Conflicts
CLtL2 - 11.7. Package System Functions and Variables
HyperSpec - Function UNINTERN
Successful Lisp - chapter30