{"shas":[["86ff74d6229ead5c8e82b415fa7e842dfa98d431","0a197dbb67d5ae8da961dfe1296bbf2dd411b3c6@pobox.com","Move .substr guts from Cool to Str, make .substr properly fail on negative start or length arguments.","pmichaud"]],"ref":"refs/heads/nom","size":1,"head":"86ff74d6229ead5c8e82b415fa7e842dfa98d431","push_id":35750819}