Chang-Uk Shin

If not using POS feature to dependency, error occurred.

1

``` taggers.py def parse_sentence(self, tokens): if self.use_pos: tokens = self.pos_tagger.tag_tokens(tokens, return_tokens=True) #if not using pos. tokens are not tuple. for token in tokens: if self.use_pos: word, pos = token else:...

I think function `add_word` have to add word to word_freq also when word is not presented into word2index.

If arc text has numeric. It's color is not follow setting.

3

css cvg g.arcs text { fill #e0a; } does not work when arc has numeric string. 

I got below error when I push to heroku. "NoMethodError: undefined method `=~' for #" method '=~' is used at 'script/server:78' I'm newbie on ruby so I don't know how...