[OS X Emacs] temporary display

[Marinos K]

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howdy,

I have this function

(defun evaluate-paragraph ()
  "evaluate current paragraph"
  (interactive)
  (save-excursion
    (backward-paragraph)
    (cua-set-mark)
    (forward-paragraph)
    (do evaluation here)))

this works - but I' d like to be able to see for a couple of seconds the
whole paragraph highlighted, so I know what was actually evaluated..

I tried with momentary-string-display but it needs me to press space to
continue.. no good..

any ideas ??

thx
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