I agree with Brett. It is unclear exactly what you are asking.
Also, *why* are you asking? Do you want to use something peculiar? Or
are you receiving something that is causing you grief?
Note that there are inherent problems with Alert-Info - if sent from
caller to callee there can be trust issues in whether you want to
attempt to dereference the URI. If you are actually interested in using
Alert-Info then you might want to look at:
http://tools.ietf.org/html/draft-ietf-salud-alert-info-urns-12
It is almost done - soon to become an RFC.
Thanks,
Paul
On 6/6/14 11:58 AM, Brett Tate wrote:
Is the below value acceptable in the Alert-Info header value?
$@#$%^&*()_+{}:"<>?
The following is the ABNF. I'm not sure what Alert-Info header position
applies to your question.
Alert-Info = "Alert-Info" HCOLON alert-param *(COMMA alert-param)
alert-param = LAQUOT absoluteURI RAQUOT *( SEMI generic-param )
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