Title Page

Foreword

Rethinking the Human-Readability Infrastructure
Christopher Hall
(University of California at Santa Barbara, USA)

Video

Medic: Metaprogramming and Trace-Oriented Debugging
Xiangqi Li and Matthew Flatt
(University of Utah, USA)

Lively Groups: Shared Behavior in a World of Objects without Classes or Prototypes
Tim Felgentreff, Jens Lincke, Robert Hirschfeld, and Lauritz Thamsen
(HPI, Germany; TU Berlin, Germany)