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This option controls the effect that the use of a prefix argument before entering a popup has.
default
With a prefix argument directly invoke the popup’s default action (an Emacs command), instead of bringing up the popup.
popup
With a prefix argument bring up the popup, otherwise directly invoke the popup’s default action.
nil
Ignore prefix arguments.
This option can be overridden for individual popups.
magit-show-refs-popup
for example defaults to invoking the default
action directly. It only shows the popup buffer when a prefix
argument is used. See Customizing Existing Popups.
The Emacs package used to display man-pages, one of man
or woman
.
The option controls how the window used to display a popup buffer is
created. Popup buffers are displayed using display-buffer
with the
value of this option as ACTION argument. You can also set this to
nil and instead add an entry to display-buffer-alist
.
To emphasize the default action by making it bold use this:
(button-type-put 'magit-popup-action-button 'format " %k %D")