On Tue, Nov 26, 2019 at 7:44 PM Eli Zaretskii wrote: > I don't see how this is relevant to the issue at hand, what did I > miss? Sorry, I fail to see how could it not be relevant. Lisp code calling (next|previous)-buffer already has to defend itself against a user-error. My code just adds one specific case (that of the window's buffer list having only one buffer) in which user-error is also signaled. Am I missing something?