Date: Sat, 8 Jun 2013 00:40:02 +0200 From: Eitan Adler <eadler@freebsd.org> To: Tom Rhodes <trhodes@freebsd.org> Cc: wblock@wonkity.com, Hiroki Sato <hrs@freebsd.org>, svn-doc-head@freebsd.org, gjb@freebsd.org, svn-doc-all@freebsd.org, doc-committers@freebsd.org Subject: Re: svn commit: r41848 - head/en_US.ISO8859-1/htdocs/layout/js Message-ID: <CAF6rxgnxjDn_sjviCSZVpMDs40OYZS6D6MrKzs0YZvm2sC-qdg@mail.gmail.com> In-Reply-To: <20130607113436.4dc1cbc3.trhodes@FreeBSD.org> References: <20130606140542.GA1625@glenbarber.us> <20130606.232805.1823224325157138890.hrs@allbsd.org> <CAF6rxg=tnyCyLP50RpO8j20jbnGO_Mycb7aq5P3pRVz9NtvokA@mail.gmail.com> <20130607.092534.356568932887378565.hrs@allbsd.org> <20130607113436.4dc1cbc3.trhodes@FreeBSD.org>
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On 7 June 2013 17:34, Tom Rhodes <trhodes@freebsd.org> wrote: > On Fri, 07 Jun 2013 09:25:34 +0900 (JST) > Hiroki Sato <hrs@FreeBSD.org> wrote: > >> Eitan Adler <eadler@freebsd.org> wrote >> in <CAF6rxg=tnyCyLP50RpO8j20jbnGO_Mycb7aq5P3pRVz9NtvokA@mail.gmail.com>: >> >> ea> On 6 June 2013 16:28, Hiroki Sato <hrs@freebsd.org> wrote: >> ea> > >> ea> > null, "", and undefined are evaluated as false in Javascript. >> ea> > >> ea> Javascript has an odd concept of true and false: >> ea> null, an empty string, +0, -0, and NaN, and false are the 'false' values. >> ea> >> ea> An object will return true. >> >> I see. I am not familiar with DNT implementation, but is there a www >> browser to define navigator.doNotTrack as the value "false"? >> >> If so, I think something like the following is needed. >> >> var dnt = window.navigator.msDoNotTrack || window.navigator.doNotTrack; >> var allow_track = (dnt && dnt == 'yes'|| dnt == 1); >> >> -- Hiroki >> > > I was assuming based on the discussion that we need to perform > more than a single check on this, but will this one actually > work? No, after some thoughts I realized that this commit is completely broken. We must explicitly check for "yes" and "1". This check basically disabled GA for newer browsers. Do Not Track (Preference Tracking Extension) is a barely followed draft standard.:( -- Eitan Adler Source, Ports, Doc committer Bugmeister, Ports Security teams
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