Eli Zaretskii writes: >> From: Arthur Miller >> Cc: Juri Linkov , larsi@gnus.org, emacs-devel@gnu.org >> Date: Fri, 24 Sep 2021 21:57:13 +0200 >> >> > Please, no unnecessary generalizations of this kind. Or at least not >> > to cater to this particular request. I want a _help_ command, not >> > just a prefix that runs any command in the other window. because, for >> > starters, what if the *Help* buffer is not currently on display at >> > all? >> >> Here is one updated without the unnecessary let statement. > > Thanks, but I'd prefer a prefix command, so that you wouldn't need to > prompt for the key sequence, but expect the user to provide it > already. For example, "C-h M-h s" would show the definition of the > function or variable. > > Also, the *Help* window should stay displayed, so any additional > buffers the command needs to pop (for example, to show the definition) > should not replace the *Help* buffer, it should pop in another window, > exactly like when I invoke the command from the *Help* buffer. Ok, with iput from Martin, and wish to have this as a command prefix, after some doc reading and test and trys, here is another patch. When help is not displayed, it silently does nothing, should some message be emitted in minibuffer?