Incorrect tokenization of compact Ruby class names

[ashmaroli]

Name of the lexer

Rouge::Lexers::Ruby

Code sample

A sample of the code that produces the bug.

# Compact class name
class Rouge::Lexers::Ruby < RegexLexer
  def self.detect?(text)
    return true if text.shebang? 'ruby'
  end
end

# Nested class name
module Rouge
  module Lexers
    class Ruby < RegexLexer
      def self.detect?(text)
        return true if text.shebang? 'ruby'
      end
    end
  end
end

Sample screenshot

The class name Ruby has a different color in the two scenarios

[jneen]

Would you be willing to make a branch with this added to the sample file?