Possible Regexp documentation bug

Hi all,

I think I found a small bug in the description of the Regexp.escape method 
(http://www.ruby-doc.org/core/classes/Regexp.html#M001216).

It says:

"(Regexp.escape) Escapes any characters that would have special meaning in 
a regular expression. Returns a new escaped string, or self if no 
characters are escaped. For any string, Regexp.escape(str)=~str will be 
true."

I think the last part is incorrect. The left-hand side of the =~ operator 
should be a string, the right-hand side should be a regexp. So if the 
escape method does change anything, the condition will not hold.

I think it would be more accurate to say:

   "str =~ Regexp.escape(str) will be true."

Is that right? And how should one go about changing the documentation?

Cheers, Chris.
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