Commit 63f7e4b4 authored by Eli Zaretskii's avatar Eli Zaretskii

Document the shorthand hints displayed by M-x

* doc/emacs/m-x.texi (M-x): Document the numeric meaning of
suggest-key-bindings.  Document the shorthand hints for commands
that have no key bindings.  Document that M-x completion ignores
obsolete commands.

* etc/NEWS: Move the M-x entry to "Editing Changes" and mark it as
parent fadc3e0d
......@@ -43,6 +43,13 @@ Note that @code{forward-char} is the same command that you invoke with
the key @kbd{C-f}. The existence of a key binding does not stop you
from running the command by name.
@cindex obsolete command
When @kbd{M-x} completes on commands, it ignores the commands that
are declared @dfn{obsolete}; for these, you will have to type their
full name. Obsolete commands are those for which newer, better
alternatives exist, and which are slated for removal in some future
Emacs release.
To cancel the @kbd{M-x} and not run a command, type @kbd{C-g} instead
of entering the command name. This takes you back to command level.
......@@ -57,7 +64,16 @@ mentions this in the echo area after running the command. For
example, if you type @kbd{M-x forward-word}, the message says that you
can run the same command by typing @kbd{M-f}. You can turn off these
messages by setting the variable @code{suggest-key-bindings} to
@code{nil}. The value of @code{suggest-key-bindings} can also be a
number, in which case Emacs will show the binding for that many
seconds before removing it from display. The default behavior is to
display the binding for 2 seconds.
Commands that don't have key bindings, can still be invoked after
typing less than their full name at the @samp{M-x} prompt. Emacs
mentions such shorthands in the echo area if they are significantly
shorter than the full command name. The setting of
@code{suggest-key-bindings} affects these hints as well.
In this manual, when we speak of running a command by name, we often
omit the @key{RET} that terminates the name. Thus we might say
......@@ -148,7 +148,6 @@ the `network-security-level' variable.
** C-h l now also lists the commands that were run.
** M-x suggests shorthands and ignores obsolete commands for completion.
** x-select-enable-clipboard is renamed select-enable-clipboard.
x-select-enable-primary and renamed select-enable-primary.
Additionally they both now apply to all systems (OSX, GNUstep, Windows, you
......@@ -316,6 +315,9 @@ at configure time.
* Editing Changes in Emacs 25.1
** M-x suggests shorthands and ignores obsolete commands for completion.
** Successive single-char deletions are collapsed in the undo-log just like
successive char insertions.
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