(defun window-normalize-buffer-to-display (buffer-or-name)
"Normalize BUFFER-OR-NAME argument for buffer display functions.
-If BUFFER-OR-NAME is nil, return the curent buffer. Else, if a
+If BUFFER-OR-NAME is nil, return the current buffer. Else, if a
buffer specified by BUFFER-OR-NAME exists, return that buffer.
If no such buffer exists, create a buffer with the name
BUFFER-OR-NAME and return that buffer."