The mailing list for listmasters using Sympa

[Gabe Helou <address@concealed>]

I mailing list I recently set up under SYMPA 5.0 is displaying the 
following headers in digestplain:

  Content-Type: text/plain; charset=;
  Content-transfer-encoding: 

Some subscribers at Yahoo, AOL, and SBCglobal are having problems
displaying the digests so I can't help suspect that the absence of 
a character set or message encoding may be part of that problem.

Where are the charset and encoding values supposed to be set?  I 
looked around the documentation for a bit, but didn't spot anything.

-- 
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"To go against the dominant thinking of your friends,  
of most of the people you see every day, is perhaps    
the most difficult act of heroism you can perform."     -- Theodore H. White