From: nowhere@never.at   
      
   Terje Mathisen wrote:   
   >>>>> ... but Terje will be along in a minute disallowing quotes.   
   >>> Let's say 92 minutes.   
   >> :)   
   >>> I do agree that quote marks are definitely NOT part of the   
   >>> MIME-blessed transparent subset of ascii chars, portable across   
   >>> all email gateways.   
   >>   
   >> Does this mean I'm not allowed to "highlight" or 'enlarge' any words   
   >> in my mails by quote marks then ?   
   >   
   > Double quotes are probably OK, single quotes probably not.   
   >   
   > Take a look at the MIME "Quoted Printable" subset, that's the real   
   > target here: I.e. only those ascii characters that never require any   
   > form of encoding.   
      
   what I found on wiki.de about Quoted printable   
   (last updated 11.jun.2017 16:02):   
      
   allowed characters:   
   09 Tab  32-60  Space and !"#$%&'()*+,-./0123456789:;<   
   62-126 >?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~   
      
   I see only 0x3d to have a special meaning in QP to create non-ASCII-   
   characters and 3d, but why would 22 or 27 need extra encoding ?   
      
   And it seem to need 3d0d,3d0a for CRLF.   
   If I sent you a 0x22, will you receive a 0x22 or something else ?   
   __   
   wolfgang   
      
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