@c This is part of the Emacs manual.
-@c Copyright (C) 1985-1987, 1993-1995, 1997, 2000-2012
-@c Free Software Foundation, Inc.
+@c Copyright (C) 1985-1987, 1993-1995, 1997, 2000-2013 Free Software
+@c Foundation, Inc.
@c See file emacs.texi for copying conditions.
@node Help
@chapter Help
Search for functions and variables. Both interactive functions
(commands) and noninteractive functions can be found by this.
-@item M-x apropos-variable
-@findex apropos-variable
+@item M-x apropos-user-option
+@findex apropos-user-option
Search for user-customizable variables. With a prefix argument,
search for non-customizable variables too.
+@item M-x apropos-variable
+@findex apropos-variable
+Search for variables. With a prefix argument, search for
+customizable variables only.
+
@item M-x apropos-value
@findex apropos-value
Search for variables whose values match the specified pattern. With a