In stock Emacs 25.3, if pop-up-frames is set then fallback behavior is to display buffer in other frame before trying to display in other window in current frame. In Purpose, the prefer-other-window action sequence doesn't respect pop-up-frames precedence,
See https://github.com/syl20bnr/spacemacs/issues/10384
In stock Emacs 25.3, if
pop-up-framesis set then fallback behavior is to display buffer in other frame before trying to display in other window in current frame. In Purpose, theprefer-other-windowaction sequence doesn't respectpop-up-framesprecedence,