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README.md

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 # SentencePiece
 
+[![Build Status](https://travis-ci.org/google/sentencepiece.svg?branch=master)](https://travis-ci.org/google/sentencepiece)
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 SentencePiece is an unsupervised text tokenizer and detokenizer mainly for
 Neural Network-based text generation systems where the vocabulary size
 is predetermined prior to the neural model training. SentencePiece implements