i -> upto
i -> upto


Former-commit-id: 8b1c1db7bf742101f09935d6a604c22ac4073307
danielhers/dynet,chunyang-wen/dynet,xunzhang/dynet,clab/cnn,danielhers/dynet,clab/dynet,chunyang-wen/dynet,clab/dynet,shuheik/dynet,danielhers/dynet,chunyang-wen/dynet,clab/cnn,clab/dynet,danielhers/dynet,shuheik/dynet,shuheik/dynet,clab/cnn,danielhers/dynet,shuheik/dynet,clab/dynet,danielhers/dynet,shuheik/dynet,xunzhang/dynet,xunzhang/dynet,clab/dynet,shuheik/dynet,shuheik/dynet,danielhers/dynet,xunzhang/dynet,clab/dynet,clab/dynet,chunyang-wen/dynet