lispdoc - results for defconstant

(defconstant name value &optional documentation)
Function: Define a global constant, saying that the value is constant and may be compiled into code. If the variable already has a value, and this is not EQL to the new value, the code is not portable (undefined behavior). The third argument is an optional documentation string for the variable.
 Mentioned in:
CLtL2 - 11.3. Translating Strings to Symbols
CLtL2 - 20.1. Run-Time Evaluation of Forms
CLtL2 - 25.1.1. Compiler Diagnostics
CLtL2 - 25.1.3. Compilation Environment
CLtL2 - 25.1.4. Similarity of Constants
CLtL2 - 5.1.2. Variables
CLtL2 - 5.3.2. Declaring Global Variables and Named Constants
CLtL2 - 6.1. Logical Values
CLtL2 - 8.5. Environments
HyperSpec - Macro DEFCONSTANT
On Lisp - Bezier Curves Example
On Lisp - Recursion on Subtrees (Macros Returning Functions)
PCL - constants
Successful Lisp - chapter10
Successful Lisp - chapter28
Successful Lisp - evaluated
Successful Lisp - global vars and consts
Successful Lisp - tail recursion