Bug #3224: Regexp.new("...", nil, "n") is not documented
http://redmine.ruby-lang.org/issues/show/3224

Author: Marc-Andre Lafortune
Status: Open, Priority: Low
Category: DOC, Target version: 1.9.2
ruby -v: ruby 1.9.2dev (2010-04-30 trunk 27554) [x86_64-darwin10.3.0] 

While fixing the error messages for the number of parameters ( r27558 ), I noticed that Regexp.new accepts a third undocumented parameter.

Is it supported? If so it should be documented.

I also note that test_regexp.rb tests for the third parameter being "u",  even though this has no effect. Maybe these tests should be removed?


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