CFF fonts render bolder in Apache 4.9 over Adobe 4.1a

[Tom Chiverton <tc...@extravision.com>]

We have a style sheet that does, in part,

         @font-face {
             src: url("assets/trebuchet.ttf");
             fontFamily: "Trebuchet";
             embedAsCFF: true;
         }
         s|Label
         {
             fontFamily: Trebuchet;
             fontLookup: embeddedCFF;
             font-size: 12px;
             color: #333333;
         }

in order to get the look we wanted in in earlier Flex versions.
When compiling with the latest Apache release, all our fonts come our 
bolder - see http://oi48.tinypic.com/t8an9c.jpg which has 4.9 on top, 
4.1 on the bottom.

Is this to be expected ? I thought the font rendering was all donated 
from Adobe now so should match up ?
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