# File lib/rouge/lexers/tex.rb, line 14
      def self.analyze_text(text)
        return 1 if text =~ /\A\s*\\documentclass/
        return 1 if text =~ /\A\s*\\input/
        return 1 if text =~ /\A\s*\\documentstyle/
        return 1 if text =~ /\A\s*\\relax/
      end