* functions.texi (What Is a Function): Document the autoload

object.

Fixes: debbugs:6496

doc/lispref/ChangeLog

+2011-07-03  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* functions.texi (What Is a Function): Document the autoload
+	object (bug#6496).
+
 2011-07-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
 	* customize.texi (Variable Definitions): Clarify that SETFUNCTION

doc/lispref/functions.texi

@@ -112,6 +112,13 @@ editors; for Lisp programs, the distinction is normally unimportant.
 @item byte-code function
 A @dfn{byte-code function} is a function that has been compiled by the
 byte compiler.  @xref{Byte-Code Type}.
+
+@item autoload object
+@cindex autoload object
+An @dfn{autoload object} is a place-holder for a real function.  If
+the autoload object is called, it will make Emacs load the file
+containing the definition of the real function, and then call the real
+function instead.
 @end table
 
 @defun functionp object