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Re: envelope test syntax?

2004-05-13 06:40:03

Hi Michael,

--On Thursday, May 13, 2004 1:37 PM +0200 Michael Haardt <michael(_at_)freenet-ag(_dot_)de> wrote:

How about another ABNF extension, e.g.

  rule             =  a
  rule             /= b

ABNF (RFC 2234) already has that - see section 3.3 in that document. The syntax is a little different from what you have above:

   rule            =/ b

The one thing that is missing from ABNF in my opinion is an operator to specify a list of items that can appear in any order. Tagged arguments in SIEVE is a good example of where that would be useful - also iCal (RFC 2445) where properties within components can occur in any order.

Cyrus Daboo

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