Bpe option in learn_bpe.lua

[XiangZhu0718]

In tools/learn_bpe.lua, what’s the meanings of the -option ‘-tok_case_feature’, what’s the meaning of case feature ? An example is best , thank you.

[guillaumekln (Guillaume Klein)]

This is covered in the BPE documentation:

http://opennmt.net/OpenNMT/tools/tokenization/#bpe