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When running gem install RedCloth (on Windows XP) I got: Fetching: RedCloth-4.2.8.gem (100%) Temporarily enhancing PATH to include DevKit... Building native extensions. This could take a while... Successfully installed RedCloth-4.2.8 1 gem installed Installing ri documentation for RedCloth-4.2.8... Installing RDoc documentation for RedCloth-4.2.8... ERROR: While generating documentation for RedCloth-4.2.8 ... MESSAGE: error generating index.html: Error while evaluating D:/Programs/R uby/lib/ruby/gems/1.9.1/gems/rdoc-3.9/lib/rdoc/generator/template/darkfish/index .rhtml: undefined method `[]' for nil:NilClass (RDoc::Error) ... RDOC args: --op D:/Programs/Ruby/lib/ruby/gems/1.9.1/doc/RedCloth-4.2.8/rdoc --charset=UTF-8 --line-numbers --title RedCloth --main README.rdoc lib lib/case _sensitive_require ext README.rdoc COPYING CHANGELOG --title RedCloth-4.2.8 Docu mentation --quiet Why do I get this error ? Then I added require 'RedCloth' to config/environment.rb , and tried to run rails s , but unfortunately I got: D:/Programs/Ruby/lib/ruby/gems/1.9.1/gems/RedCloth-4.2.8/lib/redcloth.rb:12:in ` require': no such file to load -- 1.9/redcloth_scan (LoadError) Couldn't load 1.9/redcloth_scan The $LOAD_PATH was: ... What am I doing wrong ? I use Rails 3.0.1, Ruby 1.9.2. bundle show RedCloth => D:/Programs/Ruby/lib/ruby/gems/1.9.1/gems/RedCloth-4.2.8

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