Enable whitespace-mode in prog-mode

Enable pulse-line again

README.org

@@ -825,7 +825,13 @@ Configure email with iCalendar event support, to integrate with
   "Pulse the current line."
   (pulse-momentary-highlight-one-line (point)))
 
+(dolist (command '(scroll-up-command
+                   scroll-down-command
+                   recenter-top-bottom other-window))
+  (advice-add command :after #'pulse-line))
+
 (use-package whitespace
+  :hook prog-mode
   :custom
   (whitespace-style '(face
                       empty