* lisp/window.el (fit-frame-to-buffer-1): When
'frame-resize-pixelwise' is nil, round up requested sizes to avoid
that lines get wrapped (Bug#74866).
* doc/lispref/windows.texi (Resizing Windows): Mention that with
size hints one may have to set 'frame-resize-pixelwise' to make
'fit-frame-to-buffer' fit the buffer exactly.
6017c6a986