Yes, I meant "&" and "?".  That's what I have in my personal copy.

On Mar 12, 2013, at 11:00 PM, Eric Maupin <notifications@github.com> wrote:

> In src/Xamarin.Auth/OAuth1Authenticator.cs:
> 
> > @@ -141,12 +141,15 @@ public OAuth1Authenticator (string consumerKey, string consumerSecret, Uri reque
> >  				token = r["oauth_token"];
> >  				tokenSecret = r["oauth_token_secret"];
> >  
> > -				var url = authorizeUrl.AbsoluteUri + "?oauth_token=" + Uri.EscapeDataString (token);
> > +                string paramType = authorizeUrl.AbsoluteUri.IndexOf("?") >= 0 ? "&" : "&";
> Did you mean "&" : "?" ?
> 
> —
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