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Re: [Nmh-workers] Default and selectable Content-Transfer-Encoding issue

From: David Levine
Subject: Re: [Nmh-workers] Default and selectable Content-Transfer-Encoding issues
Date: Fri, 31 Jan 2014 20:46:16 -0500

Ralph wrote:

> Does the 76 historically come from 78 - strlen("> ") to allow for a
> simple single-level of quoting?

It's the encoded length, though of course "> " would encode
without change.  This is all I could find in a quick grep of the
RFCs, in Appendix B of RFC 1521:

   The following guidelines may be useful to anyone devising a data
   format (Content-Type) that will survive the widest range of
   networking technologies and known broken MTAs unscathed.


   (4) Lines longer than 76 characters may be wrapped or
       truncated in some environments.


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