Jasson Casey wrote:
>
> There first torture test (torture test #1) off of Henning's SIP site
> contains 'line folding'. I have not been able to resolve much information
> pertaining to line folding. I do not know why this I was curious if anyone
> could point me to some information describing cases where line folding
> occurs, why this condition should be expected, or any other relevant
> information.
See Appendix C.1 Basic Rules
"SIP header field values can be folded onto multiple lines if the
continuation line begins with a space or horizontal tab. All
linear
white space, including folding, has the same semantics as SP. A
recipient MAY replace any linear white space with a single SP
before
interpreting the field value or forwarding the message
downstream."
I would note that when I saw this happen at a bakeoff with
the Via headers of a request folded onto multiple lines with
each continutaion line marked by a tab the effect on other
implementations was real ugly. Thus while folding is allowed
by the spec, and implementations really should cope, I would
recommend you avoid doing it.
Cheers,
Neil.
--
Ubiquity Software Corporation, UK http://www.ubiquity.net
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