From: Run Paint Run Run <redmine@...>
Date: 2009-08-18T08:27:41+09:00
Subject: [ruby-core:24958] [Bug #1948] RDoc Fails with Non-ASCII Pathnames

Bug #1948: RDoc Fails with Non-ASCII Pathnames
http://redmine.ruby-lang.org/issues/show/1948

Author: Run Paint Run Run
Status: Open, Priority: Low
Category: lib
ruby -v: ruby 1.9.2dev (2009-08-05 trunk 24397) [i686-linux]

`rdoc` fails when the pathname is non-ASCII. This happens with or without the 'charset' option set to UTF-8. For example:


  $ cat m��bius.rb 
  # coding: utf-8
  class Integer
  
    def mobius
      case
        when (self < 1)                 then nil
        when (square_free? and ��.even?) then 1
        when (square_free? and ��.odd?)  then -1
        when (not square_free?)         then 0
      end
    end
  
    alias :m��bius :mobius
    alias :�� :mobius
  end

  $ rdoc m��bius.rb 

  m��bius.rb: Cm
  Generating HTML...
  (erb):45:in `concat': incompatible character encodings: UTF-8 and US-ASCII (Encoding::CompatibilityError)
	from (erb):45:in `write_html_on'
	from /usr/local/lib/ruby/1.9.1/erb.rb:753:in `eval'
	from /usr/local/lib/ruby/1.9.1/erb.rb:753:in `result'
	from /usr/local/lib/ruby/1.9.1/rdoc/template.rb:57:in `block in write_html_on'
	from /usr/local/lib/ruby/1.9.1/rdoc/template.rb:56:in `reverse_each'
	from /usr/local/lib/ruby/1.9.1/rdoc/template.rb:56:in `write_html_on'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator.rb:787:in `write_on'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator/html.rb:232:in `block (2 levels) in gen_into'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator/html.rb:231:in `open'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator/html.rb:231:in `block in gen_into'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator/html.rb:216:in `each'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator/html.rb:216:in `gen_into'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator/html.rb:179:in `generate_html'
	from /usr/local/lib/ruby/1.9.1/rdoc/generator/html.rb:86:in `generate'
	from /usr/local/lib/ruby/1.9.1/rdoc/rdoc.rb:279:in `document'
	from /usr/local/bin/rdoc:15:in `<main>'

(I'm not sure whether to file RDoc bugs on the RubyForge tracker or here w.r.t 1.9. Apologies if I guessed wrongly.)


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