change log for P1020155 (close)

datetimeuserobjecttablefieldtypeoldnew
2015-09-1911:37:09Frank Müller The Chess Problem: Text-Book with ... 1887 refsrc original  update
2015-09-1911:36:51Frank Müller The Chess Problem: Text-Book with ... 1887 refsrc   add  
2015-01-3113:31:05Frank Müller The Chess Problem: Text-Book with ... 1887 refsrc   add