@c This is part of the Emacs manual.
-@c Copyright (C) 1985-1987, 1993-1995, 1997, 2000-2011
-@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, Mark, M-x, Top
+@node Help
@chapter Help
@kindex Help
@cindex help
* Package Keywords:: Finding Lisp libraries by keywords (topics).
* Language Help:: Help relating to international language support.
* Misc Help:: Other help commands.
-* Help Files:: Commands to display auxilliary help files.
-* Help Echo:: Help on active text and tooltips (`balloon help').
+* Help Files:: Commands to display auxiliary help files.
+* Help Echo:: Help on active text and tooltips ("balloon help").
@end menu
@iftex
@item C-h c @var{key}
Show the name of the command that the key sequence @var{key} is bound
to (@code{describe-key-briefly}). Here @kbd{c} stands for
-``character.'' For more extensive information on @var{key}, use
+``character''. For more extensive information on @var{key}, use
@kbd{C-h k}.
@item C-h d @var{topics} @key{RET}
Display the commands and variables whose documentation matches
@var{topics} (@code{apropos-documentation}).
@item C-h e
-Display the @code{*Messages*} buffer
+Display the @file{*Messages*} buffer
(@code{view-echo-area-messages}).
@item C-h f @var{function} @key{RET}
Display documentation on the Lisp function named @var{function}
@item C-h .
Display the help message for a special text area, if point is in one
(@code{display-local-help}). (These include, for example, links in
-@samp{*Help*} buffers.)
+@file{*Help*} buffers.)
@end table
@node Key Help
(That name appears as the default while you enter the argument.) For
example, if point is located following the text @samp{(make-vector
(car x)}, the innermost list containing point is the one that starts
-with @samp{(make-vector}, so @kbd{C-h f @key{RET}} will describe the
+with @samp{(make-vector}, so @kbd{C-h f @key{RET}} describes the
function @code{make-vector}.
@kbd{C-h f} is also useful just to verify that you spelled a
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
methods, as well as some sample text for that language environment.
The command @kbd{C-h h} (@code{view-hello-file}) displays the file
-@file{etc/HELLO}, which shows how to say ``hello'' in many languages.
+@file{etc/HELLO}, which demonstrates various character sets by showing
+how to say ``hello'' in many languages.
The command @kbd{C-h I} (@code{describe-input-method}) describes an
input method---either a specified input method, or by default the
@findex view-echo-area-messages
To review recent echo area messages, use @kbd{C-h e}
(@code{view-echo-area-messages}). This displays the buffer
-@code{*Messages*}, where those messages are kept.
+@file{*Messages*}, where those messages are kept.
@kindex C-h m
@findex describe-mode