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Document prefix key description in terms of ?

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* doc/emacs/help.texi: Document that `?' now also shows subcommands of
prefix keys.
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Tassilo Horn 2013-12-20 14:55:44 +01:00
parent cbaece6a98
commit a34a0ac891
3 changed files with 19 additions and 10 deletions
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5
doc/emacs/ChangeLog
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@ -1,3 +1,8 @@
2013-12-20 Tassilo Horn <tsdh@gnu.org>
* help.texi: Document that `?' now also shows subcommands of
prefix keys.
2013-12-17 Chong Yidong <cyd@gnu.org>
* killing.texi (Appending Kills): Note that append-next-kill can

23
doc/emacs/help.texi
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@ -55,11 +55,12 @@ This displays the available Emacs packages based on keywords.
@xref{Package Keywords}.
@end table
@kbd{C-h} or @key{F1} means ``help'' in various other contexts as
well. For instance, you can type them after a prefix key to view a
list of the keys that can follow the prefix key. (A few prefix keys
don't support @kbd{C-h} in this way, because they define other
meanings for it, but they all support @key{F1} for help.)
@kbd{C-h}, @key{F1}, or @kbd{?} means ``help'' in various other
contexts as well. For instance, you can type them after a prefix key
to view a list of the keys that can follow the prefix key. (A few
prefix keys don't support @kbd{C-h} or @kbd{?} in this way, because
they define other meanings for it, but they all support @key{F1} for
help.)
@menu
* Help Summary:: Brief list of all Help commands.
@ -549,11 +550,13 @@ Emacs Lisp Reference Manual}).
@findex describe-prefix-bindings
You can get a list of subcommands for a particular prefix key by
typing @kbd{C-h} (@code{describe-prefix-bindings}) after the prefix
key. (There are a few prefix keys for which this does not
work---those that provide their own bindings for @kbd{C-h}. One of
these is @key{ESC}, because @kbd{@key{ESC} C-h} is actually
@kbd{C-M-h}, which marks a defun.)
typing @kbd{C-h}, @kbd{?}, or @kbd{F1}
(@code{describe-prefix-bindings}) after the prefix key. (There are a
few prefix keys for which not all of these keys work---those that
provide their own bindings for one of them. One of these prefix keys
is @key{ESC} in combination with @kbd{C-h}, because @kbd{ESC C-h} is
actually @kbd{C-M-h}, which marks a defun. However, @kbd{ESC F1} and
@kbd{ESC ?} work fine.)
@node Help Files
@section Help Files

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etc/NEWS
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@ -102,6 +102,7 @@ customize the option `tty-menu-open-use-tmm' to a non-nil value.
(Typing M-` will always invoke `tmm-menubar', even if
`tty-menu-open-use-tmm' is nil.)
+++
** Key ? also describes prefix bindings like C-h.
+++