fix bug where one style.display assignment was not replaced by the new class-based 'visible' or not 'visible' approach. The ESC overviw panel is still botched but much less so: now only certain vertical slides disappear at odd times (when you're positioned LEFT of them  :-S  )
fix bug where one style.display assignment was not replaced by the new class-based 'visible' or not 'visible' approach. The ESC overviw panel is still botched but much less so: now only certain vertical slides disappear at odd times (when you're positioned LEFT of them  :-S  )

GerHobbelt/reveal.js,GerHobbelt/reveal.js,GerHobbelt/reveal.js