**> So my first two questions are:
1. How to do a simple test that confirms whether or not
Oniguruma is there?
Currently not supported.
I will add a constant Regexp::ENGINE = "Oniguruma 2.5.2" for Ruby 1.8.X.
Then, oniguruma check will be
(RUBY_VERSION >= "1.9.0" || (defined?(Regexp::ENGINE) && Regexp::ENGINE.include?('Oniguruma')))
2. How to build the stable snapshot with Oniguruma?
Same as release version of Ruby 1.8.4.
(INSTALL-RUBY file in onigd2_5_1.tar.gz)
···
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K.Kosako