first stab at a lightweight tagger; uses new python 2.4 generator syntax; NB context queue localized inside tagger object is inadequate for backoff taggers
first stab at a lightweight tagger; uses new python 2.4 generator syntax; NB context queue localized inside tagger object is inadequate for backoff taggers


svn/trunk@2260

nltk/nltk,nltk/nltk,nltk/nltk