The BNF strangely appears to allow the dot without any following digits. > -----Original Message----- > From: [email protected] [mailto:sip- > [email protected]] On Behalf Of Brez Borland > Sent: Thursday, March 18, 2010 11:07 AM > To: prashanth.me > Cc: sip-implementors > Subject: Re: [Sip-implementors] Query on qvalue in SIP headers > > Hi Prashanth, > > I think dot is an "optional", and it should be present only if it is > followed by digits. > > > Regards, > > Brez > > On Thu, Mar 18, 2010 at 2:58 PM, prashanth.me > <[email protected]> wrote: > > Hi, > > > > As per ABNF Grammar of the 'preference' parameter > > ------------------------ > > preference = "q" EQUAL > > <http://www.tech-invite.com/Ti-abnf-sip.html#delim> qvalue > > <http://www.tech-invite.com/Ti-abnf-sip-hf.html#qvalue> > > qvalue = ("0" [ "." 0*3DIGIT > > <http://www.tech-invite.com/Ti-abnf.html#core> ] ) > > / ( "1" [ "." 0*3("0") ] ) > > ------------------------ > > > > Are the below 'qvaule' correct? > > ------ > > ;q=0. > > ;q=1. > > ------ > > I mean, shall dot come without any digits followed by?
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