Jeff Zemerick created OPENNLP-1387:
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             Summary: Fix alphaNumOpt in tokenizer example
                 Key: OPENNLP-1387
                 URL: https://issues.apache.org/jira/browse/OPENNLP-1387
             Project: OpenNLP
          Issue Type: Task
          Components: Documentation, Tokenizer
    Affects Versions: 2.0.0, 1.9.4
            Reporter: Jeff Zemerick


The example command for the tokenizer in the documentation is:

opennlp TokenizerTrainer -model en-token.bin -alphaNumOpt -lang en -data 
en-token.train -encoding UTF-8

This is an invalid command because the alphaNumOpt parameter must have a value. 
Running this command as-is will give the error "Number of parameters must be 
always be even." 

The documentation for alphaNumOpt specifies it must have a value:
 -alphaNumOpt isAlphaNumOpt
                Optimization flag to skip alpha numeric tokens for further 
tokenization



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