Re: [Sip] Location-conveyance: ISSUE #3

   From: "Brian Rosen" <br@brianrosen.net>

   Yeah, I wanted to limit options.  I wanted two representations of the same
   location as a single header.  I'm not really stuck on that, but cutting down
   on options is good.

Permit me to exercise one of my peeves -- though it appears that
limiting the syntax of the header is beneficial, it is in fact
harmful.  You want as much uniformity in header syntax as possible, so
that implementations can use generic parsers to do the low-level
conversion of the character stream to a data structure of
names/values/whatever.  You also want to allow generic "un-parsing" to
convert the data structure to the character stream.  But if you make
ideosyncratic declarations that a particular header does things
*slightly differently* than all similar headers, implementations are
reduced to using custom code to generate every header.

Dale

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Re: [Sip] Location-conveyance: ISSUE #3 - multiple locations