diff options
Diffstat (limited to 'doc/emacs/m-x.texi')
| -rw-r--r-- | doc/emacs/m-x.texi | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/doc/emacs/m-x.texi b/doc/emacs/m-x.texi index 865220fb218..d35a8351541 100644 --- a/doc/emacs/m-x.texi +++ b/doc/emacs/m-x.texi @@ -46,9 +46,25 @@ 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 +full name. (Obsolete commands are those for which newer, better alternatives exist, and which are slated for removal in some future -Emacs release. +Emacs release.) + +@vindex read-extended-command-predicate + In addition, @kbd{M-x} completion can exclude commands that are not +relevant to, and generally cannot work with, the current buffer's +major mode (@pxref{Major Modes}) and minor modes (@pxref{Minor +Modes}). By default, no commands are excluded, but you can customize +the option @code{read-extended-command-predicate} to exclude those +irrelevant commands from completion results. + +@kindex M-S-x + Conversely, Emacs can exclude all commands except those that are +particularly relevant to the current buffer. The @kbd{M-S-x} (that's +``meta shift x'') command works just like @kbd{M-x}, but instead of +listing all (or most) of the commands Emacs knows about, it will only +list the commands that have been marked as ``belonging'' to the +current major mode, or any enabled minor modes. 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. |