Stopwords Corpus

This corpus contains lists of stop words for several languages.  These
are high-frequency grammatical words which are usually ignored in text
retrieval applications.

They were obtained from:
http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/snowball/stopwords/

The English list has been augmented
https://github.com/nltk/nltk_data/issues/22

