attachments and binary data

[.rp]

> We could get fancy and have the lexer call a function with the filename
> and have the function return 'keep' if there's a text related extension
> or 'discard' if it looks like a binary file.  However, as mentioned
> elsewhere, in my archive (with 2 yrs of messages) there are only 6
> references to "begin 666" and 3 of those are from Oct 2003 -- the other
> time Evgeny reported this problem.  It doesn't look like an important
> issue to me (though he might disagree).

I've noticed a few more emails in the past 2 months where "attachments" 
were included inline instead of seperately. They were from users of m$ 
email clients, which makes me wonder if m$ slipped in a new way of 
handling attached text files.