Convert my unicode diagrams to ASCII

deunicode.rb

#!/usr/bin/env ruby
# encoding: utf-8

# etc. etc. etc.........

    unless request.user_agent =~ /AppleWebKit/                         
        # sub out all diagram corners with ascii +                     
        %w(┌ ┐ └ ┘).each do |corner|                                   
            data.gsub!(corner, '+')                                    
        end                                                            
                                                                       
        data.gsub!('─', '-') # box horizontal line with dash           
        data.gsub!('│', '|') # box vertical line with pipe             
        data.gsub!('∧', '^') # mathematical logical-OR with carat      
        data.gsub!('∨', 'v') # mathematical logical-AND with letter "v"
        data.gsub!('═', '=') # box double vertical line with equals    
    end                                                                

# etc. etc. etc........