* doc/lispref/variables.texi (Setting Generalized Variables): Add
'alist-get' to the list of functions that can appear in PLACE
argument of 'setf'.
A call to any of the following Emacs-specific functions:
@smallexample
-default-value process-get
+alist-get process-get
frame-parameter process-sentinel
terminal-parameter window-buffer
keymap-parent window-display-table
overlay-start window-parameter
overlay-end window-point
process-buffer window-start
-process-filter
+process-filter default-value
@end smallexample
@end itemize