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Ruby 1.9 Introduction
Ruby 1.9.1 is a new version of the Ruby programming language that is faster, has clearer syntax, and improved multilingual support. It features a new virtual machine called YARV that provides better performance. The syntax is cleaner in Ruby 1.9.1 with changes like string no longer being enumerable, new hash key-value syntax, order preservation in hashes, new proc declaration syntax using hyphens, and block scope isolation. It also includes improved debugging tools and supports multilingual text at the file, string, and I/O levels through encoding specifications.
