doc/en/ch02.rst * lots more work on dictionary section incl examples
doc/en/ch02.rst
* lots more work on dictionary section incl examples

doc/en/ch01.rst
* tweaked admonitions

doc/en/ch06.rst
* notes

nltk/corpus/reader/cmudict.py
* transcriptions() method returns a dictionary of lists
  (was a dictionary of tuples), for consistency with
  usage of tuples vs lists elsewhere


svn/trunk@6707

nltk/nltk,nltk/nltk,nltk/nltk