RE: call function in other window ?

[Drew Adams]

> You can have as many Info buffers as you like, just rename them to
> *info*<NN> where NN is a number.

It's even easier than renaming them manually.  Just use `M-n'.

> Then you can invoke info-display-manual and get back to the manual
> you want, or even use "C-u NN C-h i" if you happen to remember the
> number.  I routinely hav several dozen Info manuals in my Emacs sessions.