Câu trả lời:
Thử
(setq help-window-select t)
hoặc tùy chỉnh biến này. Các tài liệu đầy đủ nêu:
Documentation:
Non-nil means select help window for viewing.
Choices are:
never (nil) Select help window only if there is no other window
on its frame.
other Select help window unless the selected window is the
only other window on the help window's frame.
always (t) Always select the help window.
This option has effect if and only if the help window was created
by `with-help-window'
You can customize this variable.
This variable was introduced, or its default value was changed, in
version 23.1 of Emacs.
*Help*
bộ đệm khi bạn ở đó.