* lisp/window.el (fit-mini-frame-to-buffer, window--resize-mini-frame, fit-frame-to-buffer, fit-frame-to-buffer-1): By default, fit a mini frame without skipping its buffer's leading or trailing empty lines. * src/frame.c (resize-mini-frames): Update doc-string. * lisp/cus-start.el (resize-mini-frames): Update for customize. * doc/lispref/minibuf.texi (resize-mini-frames): Update description.