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Info Node: (emacs)Misc Help

(emacs)Misc Help


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Other Help Commands
===================

   `C-h i' (`info') runs the Info program, which is used for browsing
through structured documentation files.  The entire Emacs manual is
available within Info.  Eventually all the documentation of the GNU
system will be available.  Type `h' after entering Info to run a
tutorial on using Info.

   If you specify a numeric argument, `C-h i' prompts for the name of a
documentation file.  This way, you can browse a file which doesn't have
an entry in the top-level Info menu.  It is also handy when you need to
get to the documentation quickly, and you know the exact name of the
file.

   There are two special help commands for accessing Emacs documentation
through Info.  `C-h C-f FUNCTION <RET>' enters Info and goes straight
to the documentation of the Emacs function FUNCTION.  `C-h C-k KEY'
enters Info and goes straight to the documentation of the key KEY.
These two keys run the commands `Info-goto-emacs-command-node' and
`Info-goto-emacs-key-command-node'.  You can use `C-h C-k' to find the
documentation of a menu item: just select that menu item when `C-h C-k'
prompts for a key.

   `C-h C-f' and `C-h C-k' know about commands and keys described in
manuals other than the Emacs manual.  Thus, they make it easier to find
the documentation of commands and keys when you are not sure which
manual describes them, like when using some specialized mode.

   When editing a program, if you have an Info version of the manual for
the programming language, you can use the command `C-h C-i' to refer to
the manual documentation for a symbol (keyword, function or variable).
The details of how this command works depend on the major mode.

   If something surprising happens, and you are not sure what commands
you typed, use `C-h l' (`view-lossage').  `C-h l' displays the last 100
command characters you typed in.  If you see commands that you don't
know, you can use `C-h c' to find out what they do.

   Emacs has numerous major modes, each of which redefines a few keys
and makes a few other changes in how editing works.  `C-h m'
(`describe-mode') displays documentation on the current major mode,
which normally describes all the commands that are changed in this mode.

   `C-h b' (`describe-bindings') and `C-h s' (`describe-syntax')
present other information about the current Emacs mode.  `C-h b'
displays a list of all the key bindings now in effect, showing the
local bindings defined by the current minor modes first, then the local
bindings defined by the current major mode, and finally the global
bindings (Note: Key Bindings).  `C-h s' displays the contents of the
syntax table, with explanations of each character's syntax (Note:
Syntax).

   You can get a similar list for a particular prefix key by typing
`C-h' after the prefix key.  (There are a few prefix keys for which
this does not work--those that provide their own bindings for `C-h'.
One of these is <ESC>, because `<ESC> C-h' is actually `C-M-h', which
marks a defun.)

   The other `C-h' options display various files containing useful
information.  `C-h C-w' displays the full details on the complete
absence of warranty for GNU Emacs.  `C-h n' (`view-emacs-news')
displays the file `emacs/etc/NEWS', which contains documentation on
Emacs changes arranged chronologically.  `C-h F' (`view-emacs-FAQ')
displays the Emacs frequently-answered-questions list.  `C-h t'
(`help-with-tutorial') displays the learn-by-doing Emacs tutorial.
`C-h C-c' (`describe-copying') displays the file `emacs/etc/COPYING',
which tells you the conditions you must obey in distributing copies of
Emacs.  `C-h C-d' (`describe-distribution') displays the file
`emacs/etc/DISTRIB', which tells you how you can order a copy of the
latest version of Emacs.  `C-h C-p' (`describe-project') displays
general information about the GNU Project.  `C-h P'
(`view-emacs-problems') displays the file `emacs/etc/PROBLEMS', which
lists known problems with Emacs in various situations with solutions or
workarounds in many cases.


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