6.3.2 Completion Commands
Here is a list of the completion commands defined in the minibuffer
when completion is available.
Complete the text in the minibuffer as much as possible
Complete the minibuffer text, but don't go beyond one word
Submit the text in the minibuffer as the argument, possibly
completing first as described below
Print a list of all possible completions of the text in the
Select the highlighted text under the mouse as a minibuffer
response. When the minibuffer is being used to prompt the user
for a completion, any valid completions which are visible on the
screen will be highlighted when the mouse moves over them.
Clicking <button2> will select the highlighted completion and exit
the minibuffer. (`minibuf-select-highlighted-completion').
<SPC> completes much like <TAB>, but never goes beyond the next
hyphen or space. If you have `auto-f' in the minibuffer and type
<SPC>, it finds that the completion is `auto-fill-mode', but it stops
completing after `fill-'. This gives `auto-fill-'. Another <SPC> at
this point completes all the way to `auto-fill-mode'. <SPC> in the
minibuffer when completion is available runs the command
Here are some commands you can use to choose a completion from a
window that displays a list of completions:
Clicking mouse button 2 on a completion in the list of possible
completions chooses that completion (`mouse-choose-completion').
You normally use this command while point is in the minibuffer;
but you must click in the list of completions, not in the
Typing <PRIOR> or `M-v', while in the minibuffer, selects the
window showing the completion list buffer
(`switch-to-completions'). This paves the way for using the
commands below. (Selecting that window in the usual ways has the
same effect, but this way is more convenient.)
Typing <RET> _in the completion list buffer_ chooses the
completion that point is in or next to (`choose-completion'). To
use this command, you must first switch windows to the window that
shows the list of completions.
Typing the right-arrow key <RIGHT>, <TAB> or `C-f' _in the
completion list buffer_ moves point to the following completion
Typing the left-arrow key <LEFT> or `C-b' _in the completion list
buffer_ moves point toward the beginning of the buffer, to the
previous completion (`previous-list-mode-item').
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