FORMAT, comma as FP separator?

From: Ola Rinta-Koski
Subject: FORMAT, comma as FP separator?
Date: Thu, 02 Dec 1999 00:00:00 +0000
Message-ID: <gm903dllxb.fsf@ola.hex.fi>

  Is there any way to specify comma as the decimal separator in a
  FORMAT control string, so that (format nil control-string 6.5)
  would return "6,5"?
-- 
When mammoths walked the Earth, they suffered from stupidity!