src/source/appinstall.rst
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   248 NLTK initialization
   248 NLTK initialization
   249 -------------------
   249 -------------------
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   251 Some NLTK (Natural Language Toolkit) tokenizers and stopwords utilities are used to index fulltext contents elements. 
   251 Some NLTK (Natural Language Toolkit) tokenizers and stopwords utilities are used to index fulltext contents elements.
   252 This package requires downloading and configuration of several elements which are done as follow:
   252 This package requires downloading and configuration of several elements which are done as follow:
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   254 .. code-block:: bash
   254 .. code-block:: bash
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   256     (end) # ./bin/py
   256     (end) # ./bin/py