+
+;; In spray-mode buffers, following commands are available.
+
+;; - =spray-start/stop= (SPC) ::
+;; pause or resume spraying
+
+;; - =spray-backward-word= (h, <left>) ::
+;; pause and back to the last word
+
+;; - =spray-forward-word= (l, <right>) ::
+;; inverse of =spray-backward-word=
+
+;; - =spray-faster= (f) ::
+;; increases speed
+
+;; - =spray-slower= (s) ::
+;; decreases speed
+
+;; - =spray-quit= (q, <return>) ::
+;; quit =spray-mode=
+
+;; You may customize spray by modifying following items:
+
+;; - [Variable] spray-wpm
+;; - [Variable] spray-height
+;; - [Variable] spray-margin-top
+;; - [Variable] spray-margin-left
+;; - [Variable] spray-ramp
+;; - [Keymap] spray-mode-map
+;; - [Face] spray-base-face
+;; - [Face] spray-accent-face
+
+;; Readme.org from the package repository has some additional information:
+;; A gif screencast.
+;; Algorithm specification.
+;; Comparison with similar projects.
+
+;;; Known bugs:
+
+;; repeated words are indistinguishable, for example
+;; "going, going, gone" reads like going, gone, with a slight delay.