use start/end rather than directly using range in attachComments
use start/end rather than directly using range in attachComments

kaicataldo/babel,hzoo/babel,kaicataldo/babel,jridgewell/babel,hzoo/babel,babel/babel,kaicataldo/babel,hzoo/babel,jridgewell/babel,jridgewell/babel,kaicataldo/babel,hzoo/babel,babel/babel,jridgewell/babel,babel/babel,babel/babel