Mayer Grabs Paps by the Short Hairs

L.A. city officials held a big pow-wow today about regulating the paparazzi -- and John Mayer, onetime host of TMZ TV, is on the photog's side ... sorta.

He doesn't want the paps banned -- but "legitimized" -- and even wants 'em branded with their own version of the Scarlet Letter: A white "P" affixed to license plates.