anchor.diff:  //- Twitter
   //-
   script(type="text/javascript").
  -  !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');
  +  !function (d, s, id) {
  +    var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https';
  +    if (!d.getElementById(id)) {
  +      js = d.createElement(s);
  +      js.id = id;
  +      js.src = p + '://platform.twitter.com/widgets.js';
  +      fjs.parentNode.insertBefore(js, fjs);
  +    }
  +  }(document, 'script', 'twitter-wjs');
     // Google+
  -  (function() {
  -    var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
  +  (function () {
  +    var po = document.createElement('script');
  +    po.type = 'text/javascript';
  +    po.async = true;
       po.src = 'https://apis.google.com/js/platform.js';
  -    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
  +    var s = document.getElementsByTagName('script')[0];
  +    s.parentNode.insertBefore(po, s);
     })();
   
   //-
  
positive.code: if city && city.og
    div#fb-root
    script(type="text/javascript").
      (function(d, s, id) {
        var js, fjs = d.getElementsByTagName(s)[0];
        if (d.getElementById(id)) return;
        js = d.createElement(s); js.id = id;
        js.src = "//connect.facebook.net/en_US/all.js#xfbml=1&appId=#{ city.og.appId }";
        fjs.parentNode.insertBefore(js, fjs);
      }(document, 'script', 'facebook-jssdk'));
  
  //-
  //- Google+
  //-
  script(type="text/javascript").
    (function() {
      var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
      po.src = 'https://apis.google.com/js/platform.js';
      var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
    })();
  
  //-
  
negative.code:     var DEV = false;
  
  script(src = "http://maps.googleapis.com/maps/api/js?libraries=places")
  script(src = "/scripts/city.src.js")
  