anchor.diff:                p.o-Org__Header__Spacetime__Dates #[time 2003]&ndash;#[time 2009]
                 p.o-Org__Header__Spacetime__Place(itemprop="location" itemscope="" itemtype="https://schema.org/Place")
                   span(itemprop="address" itemscope="" itemtype="https://schema.org/PostalAddress")
  -                  span(itemprop="addressLocality") Fairfax,
  +                  span(itemprop="addressLocality") Fairfax, 
                     span(itemprop="addressRegion") VA
                   span(itemprop="geo" itemscope="" itemtype="https://schema.org/GeoCoordinates")
                     meta(itemprop="latitude" content="38.846711")
  
positive.code:               p.o-Org__Header__Spacetime__Dates #[time(datetime="2010-08") Aug 2010]&ndash;#[time(datetime="2011-12") Dec 2011]
                p.o-Org__Header__Spacetime__Place(itemprop="location" itemscope="" itemtype="https://schema.org/Place")
                  span(itemprop="address" itemscope="" itemtype="https://schema.org/PostalAddress")
                    span(itemprop="addressLocality") Blacksburg,
                    span(itemprop="addressRegion") VA
                  span(itemprop="geo" itemscope="" itemtype="https://schema.org/GeoCoordinates")
                    meta(itemprop="latitude" content="37.2337")
  
negative.code:               p.o-Org__Header__Spacetime__Dates #[time 2010]&ndash;#[time 2011]
                p.o-Org__Header__Spacetime__Place(itemprop="location" itemscope="" itemtype="https://schema.org/Place")
                  span(itemprop="address" itemscope="" itemtype="https://schema.org/PostalAddress")
                    span(itemprop="addressLocality") Vienna, 
                    span(itemprop="addressRegion") VA
                  span(itemprop="geo" itemscope="" itemtype="https://schema.org/GeoCoordinates")
                    meta(itemprop="latitude" content="38.8989018")
  