From: Brian Candler <b.candler@...>
Date: 2009-04-06T23:36:13+09:00
Subject: Re: Ruby 1.9.1 - invalid multibyte escape: //  (RegexpError)

I単aki Baz Castillo wrote:
> However I don't understant these parameters for Regexp.new.
> I read:
>   http://www.ruby-doc.org/core-1.9/classes/Regexp.html
> About the third parameter you use ('n') it doens't appear on the doc 多?

All the new stuff to do with String and encodings in ruby 1.9 is 
undocumented.

(At least, it's not documented within Ruby itself. You may be able to 
purchase a book which has some reverse-engineered documentation)

If you care about stability or documentation, my own advice is to stick 
with 1.8 - preferably 1.8.6.
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