A call to any of the following Emacs-specific functions:
@smallexample
-alist-get overlay-end
-default-value overlay-start
-face-background overlay-get
-face-font process-buffer
-face-foreground process-filter
-face-stipple process-get
-face-underline-p process-sentinel
-file-modes terminal-parameter
-frame-parameter window-buffer
-frame-parameters window-dedicated-p
-frame-width window-display-table
+alist-get overlay-start
+default-value overlay-get
+face-background process-buffer
+face-font process-filter
+face-foreground process-get
+face-stipple process-sentinel
+face-underline-p terminal-parameter
+file-modes window-buffer
+frame-parameter window-dedicated-p
+frame-parameters window-display-table
get-register window-hscroll
getenv window-parameter
keymap-parent window-point
match-data window-start
+overlay-end
@end smallexample
@item